Charges too slow - Sony Xperia Z Ultra

Does anyone else notice that the charging on the phone is slow? The charge even goes down as i'm surfing the web with it plugged in. I'm currently using the sony power brick that came with it. I'm experimenting with different ones at the moment. Right now I'm using the Vita charger. But compared to how my Note 3 charges, this one pales in comparison.
Please provide tips if you have any. I am currently in the mood to purchase a car charger as well.

poisonsushi319 said:
Does anyone else notice that the charging on the phone is slow? The charge even goes down as i'm surfing the web with it plugged in. I'm currently using the sony power brick that came with it. I'm experimenting with different ones at the moment. Right now I'm using the Vita charger. But compared to how my Note 3 charges, this one pales in comparison.
Please provide tips if you have any. I am currently in the mood to purchase a car charger as well.
Click to expand...
Click to collapse
What cable are you using to charge it? Try using the original cable. Android phones usually charge at a maximun of 1.5a so the one that comes with the phone it's Ok.
Enviado desde mi Xperia Z Ultra usando tapatalk 4

Mine's charging quite fast. It takes about 2 hours if i use the dock. (1100-1300 mA)

Jaime360 said:
What cable are you using to charge it? Try using the original cable. Android phones usually charge at a maximun of 1.5a so the one that comes with the phone it's Ok.
Enviado desde mi Xperia Z Ultra usando tapatalk 4
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I was using some generic cable, not the suplied Sony one, cuz I thought they were all the same.

my phone came with European charger.
So I bought it this Micro USB Quick Charger from the US sony store. It's coming with some over voltage to charge quickly.

avetny said:
my phone came with European charger.
So I bought it this Micro USB Quick Charger from the US sony store. It's coming with some over voltage to charge quickly.
Click to expand...
Click to collapse
The specs on the sony store
Power
*AC Power : 1500mA
*Output Voltage : 120v
*Charging Connector : Micro USB
Output voltage at 120v? ..wow quick charge taken to a whole new level
shouldn't it look something like
*AC Power : 120v
*Output Voltage : 5v 1500mA
*Charging Connector : Micro USB

SÜPERUSER said:
The specs on the sony store
Power
*AC Power : 1500mA
*Output Voltage : 120v
*Charging Connector : Micro USB
Output voltage at 120v? ..wow quick charge taken to a whole new level
shouldn't it look something like
*AC Power : 120v
*Output Voltage : 5v 1500mA
*Charging Connector : Micro USB
Click to expand...
Click to collapse
what are you trying to say ?
regular Sony charger is ENERGY STAR (loss less than 30mW)

avetny said:
what are you trying to say ?
Click to expand...
Click to collapse
That the output voltage is specified as 120 volt at the SONY store homepage. It should be 5v

SÜPERUSER said:
That the output voltage is specified as 120 volt at the SONY store homepage. It should be 5v
Click to expand...
Click to collapse
So?

avetny said:
So?
Click to expand...
Click to collapse
just fun to see them write their specs wrong

SÜPERUSER said:
just fun to see them write their specs wrong
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Click to collapse
hmm I think everything is correct. Both phone chargers got AC Power : 1500mA. But quick charger got Output Voltage : 120v. And regular is 50v.
Yesterday I full charged my sony smart watch less than for 20min

avetny said:
hmm I think everything is correct. Both phone chargers got AC Power : 1500mA. But quick charger got Output Voltage : 120v. And regular is 50v.
Yesterday I full charged my sony smart watch less than for 20min
Click to expand...
Click to collapse
With that kind of voltage your ultra doesn't stay thin very long mate, definitely an error on the site.
You can't put more then 4.2V per cell. When it's more it will explode, in our phone there is one cell. My acer a700 have 3 cells, so that unit is charged with 12.6V.
You can charge faster by raising the current. Our cell is 3000mah, normally charged with 1500mah (0,5C). It should be fine to charge with 3000mah (1C). If the cell is decent quality it will take 6000mah (2C), but this reduces the charge cycles significantly. When the cell is inferior it will slowly starts to swell.
Everytime you double the amps the charge time halves (theoreticaly).
I would stick with 1500mah, done in 2 hours. There's always possibilty to charge.
This is what happens when you put more then 4.2V per cell into a lipo accu. In our phone there is a lion battery but this is almost the same. Lipo has a higher energy density.

poisonsushi319 said:
Does anyone else notice that the charging on the phone is slow? The charge even goes down as i'm surfing the web with it plugged in. I'm currently using the sony power brick that came with it. I'm experimenting with different ones at the moment. Right now I'm using the Vita charger. But compared to how my Note 3 charges, this one pales in comparison.
Please provide tips if you have any. I am currently in the mood to purchase a car charger as well.
Click to expand...
Click to collapse
I've been using different chargers and different cables, all at least able to charge at 1.5 amps. My results have been essentially the same: If I leave it alone, it charges rapidly, I'd say at about 2 hours and some change to full. However, if I start using it (especially on high brightness with lots going on) the charge slows down to a hault. This is the same on most Android devices. From what I've seen, the new snapdragon 800 chipsets are able to at least continue charging even through heavy use. Just not very quickly. I know the galaxy devices don't even charge if you use them heavily enough (with the exception of the Note 3 of course).
Sent from my C6802 using Tapatalk

poisonsushi319 said:
Does anyone else notice that the charging on the phone is slow? The charge even goes down as i'm surfing the web with it plugged in. I'm currently using the sony power brick that came with it. I'm experimenting with different ones at the moment. Right now I'm using the Vita charger. But compared to how my Note 3 charges, this one pales in comparison.
Please provide tips if you have any. I am currently in the mood to purchase a car charger as well.
Click to expand...
Click to collapse
I've experienced this with another device, it was caused by a faulty usb cable. One of the wires inside was almost cut, there was only connection with a couple of the twisted core wires. 80% was cut, big increase in resistance.

I did a massive study on lion batteries last year, and found that voltage does have an impact. (pulled apart my battery and used various voltage/hz/amp input...
The major issue with the input is the heat. If you quick charge it for an hour then you are fine. But using quick charge, and then using your device will cause massive heat because you'll be charing it for more than an hour, and using your device uses CPU... (goes without saying).
Expanding and contracting the battery is what causes decay. The material inside the battery that holds the positive ions will crack and cause less 'hold' for these ions. This will result in less ions being able to be stored.
This also may also cause hardware issues flexing the internals.
result:
5v is fine, it comes down to 1.5 - 1.8 amps input... anything over that and you'll really need to check on the heat of the battery. There is also a sensor that detects input and output of amps. This sensor can get fried easily, so be careful not to wreck it!
What ever you do... DON'T put your device in the fridge or freezer if its hot. That will cause massive temp change, and mess with more than just your battery.

poisonsushi319 said:
I was using some generic cable, not the suplied Sony one, cuz I thought they were all the same.
Click to expand...
Click to collapse
They are not the same. Charging speed changes a lot depending on what cable you use. Did I solve your problem?
Enviado desde mi Xperia Z Ultra usando tapatalk 4

Jaime360 said:
They are not the same. Charging speed changes a lot depending on what cable you use. Did I solve your problem?
Enviado desde mi Xperia Z Ultra usando tapatalk 4
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Click to collapse
i have not noticed any difference. I think I just have to leave it along. Also isn't the quick charger from sony store the same one we get in the box? I'm thinking about getting the samsung charger from the Note 3, because the Note 3 charges hella fast and I can feel the charger box getting warm too.

poisonsushi319 said:
i have not noticed any difference. I think I just have to leave it along. Also isn't the quick charger from sony store the same one we get in the box? I'm thinking about getting the samsung charger from the Note 3, because the Note 3 charges hella fast and I can feel the charger box getting warm too.
Click to expand...
Click to collapse
It's very normal for a charger to get warm. You should watch the battery, that should not get warm.

poisonsushi319 said:
i have not noticed any difference. I think I just have to leave it along. Also isn't the quick charger from sony store the same one we get in the box? I'm thinking about getting the samsung charger from the Note 3, because the Note 3 charges hella fast and I can feel the charger box getting warm too.
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Click to collapse
I was thinking about plugging the Official Sony usb cord into my old Note 2 adapter because it's 2amps! the Note 2 cord also appears to be a higher gauge! I don't want to fry the battery on this thing, I wonder would .5 additional amps be ok?

samsmalls said:
I was thinking about plugging the Official Sony usb cord into my old Note 2 adapter because it's 2amps! the Note 2 cord also appears to be a higher gauge! I don't want to fry the battery on this thing, I wonder would .5 additional amps be ok?
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Related

Battery charger?

Hey guys wanted to know where I can find a rapid battery charger. I'm currently using Anker Battery Expert but it takes around 5 or more hours to fully charge a battery. Would love to find a charger that could charge my battery within an hour!!!
klee2000 said:
Hey guys wanted to know where I can find a rapid battery charger. I'm currently using Anker Battery Expert but it takes around 5 or more hours to fully charge a battery. Would love to find a charger that could charge my battery within an hour!!!
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Click to collapse
You can get a 2amp charger but the kernel must support fast charging.
Even then i dont think full charge within an hour is possible.
Thanks for the respond.... But not to use with the phone only for the battery. I have a seperate charger for the extra battery but it feels like it takes forever. I do rate it over the phone charger though because if I fully charge the battery with my phone and I take it out and place it on the external charger it shows that It still have around 10 to 15min left to complete charging... I beleive it's correct because it seems to last longet than charging with the phone!!!!
klee2000 said:
Thanks for the respond.... But not to use with the phone only for the battery. I have a seperate charger for the extra battery but it feels like it takes forever. I do rate it over the phone charger though because if I fully charge the battery with my phone and I take it out and place it on the external charger it shows that It still have around 10 to 15min left to complete charging... I beleive it's correct because it seems to last longet than charging with the phone!!!!
Click to expand...
Click to collapse
Not trying to revive this post, but noticed people are looking for a fast charger. I have a Touchpad and use the charger to charge my Note. It charges much faster than the OEM.
It is a 2+amp charger. It says 2amp on the label. I tried to charge my Touchpad on a Ipad charger (also 2amps) and the Touchpad said gave a warning saying it will take longer to charge. So I assume the Touchpad charger is 2.5amp. (max allowed for FCC)
Long story short, its on sale for only $4.99. Go get it!
http://www.shopping.hp.com/en_US/ho.../FB341AA?HP-TouchPad-Power-Charger&aoid=35252
deliriousbb said:
I have a Touchpad and use the charger to charge my Note. It charges much faster than the OEM.
Click to expand...
Click to collapse
Both the AC wall wart that comes with the Note (I assume that's what you mean by "the OEM") and the HP TouchPad AC charger will charge the Note at 1 A. One is not faster than the other.
It is a 2+amp charger. It says 2amp on the label. I tried to charge my Touchpad on a Ipad charger (also 2amps) and the Touchpad said gave a warning saying it will take longer to charge. So I assume the Touchpad charger is 2.5amp. (max allowed for FCC)
Click to expand...
Click to collapse
No, this is because the iPad charger is wired up to supply 2 A only via the proprietary iPad connector. If you connect it to a micro USB device (like the Touchpad or the Note), you will not get 2 A. You will probably only get 0.5 A, which is the USB standard. That causes the TP to display the warning you saw.
Thanks guys but I still didn't get the answer I was looking for. I'm looking for a universal wall charger that could charge batteries by itself but at a faster pace!!
aalupatti said:
You can get a 2amp charger but the kernel must support fast charging.
Even then i dont think full charge within an hour is possible.
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Click to collapse
Will it pullover one amp with a fast charging kernel?
Sent from my Nexus 7 using xda app-developers app
civicgsr19 said:
Will it pullover one amp with a fast charging kernel?
Sent from my Nexus 7 using xda app-developers app
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No. The Note (and most current Samsung hardware) is limited at just over 1A. I'm using a 3A charger with a change-only cable and my Note can only charge at ~1.1A according to CurrentWidget. Without charge-only cable it's half an amp at best.
btswein said:
No. The Note (and most current Samsung hardware) is limited at just over 1A. I'm using a 3A charger with a change-only cable and my Note can only charge at ~1.1A according to CurrentWidget. Without charge-only cable it's half an amp at best.
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Hrm I'll have to test this. I have a prime and it's wall charger is rated at 2A,might charge the phone faster.
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Well Charging seemed very quick but the CurrentWidget showed charging from 1A to 8A. Listed on their Google play page they say that Samsung probably isn't supported.
The electric current reading doesn't work on all devices. The reason is that the manufactures (mostly Motorola and Samsung) don't support this in the battery driver or in the hardware.
here's a couple screenshots
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Also Sorry for the large pics.
OP, I did some amazoning (new phrase, you like?) and here are a couple options I've found:
OEM Sammy charger: Dunno the charging speeds, but probably 1.1A like the chargers that come with our phones.
http://www.amazon.com/Samsung-Battery-Charger-2500mAh-Included/dp/B0076Z3FSQ/
Also there's this charger/dock:
It uses a 1A wall wart and here's the catch it's mentioned it charges both the phone and battery at the same time so it would split the power, I don't know if it'll shuffle the power around when only one battery needs a charge.
http://www.amazon.com/Hyperion-Samsung-Compatible-international-Packaging/dp/B006QBKTCG/
Long story short, the best you're probably going to get is a 1A charger, most aftermarket units I've seen are charging between 300mha to 400mha.
Theoriginalgiga said:
Hrm I'll have to test this. I have a prime and it's wall charger is rated at 2A,might charge the phone faster.
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Well Charging seemed very quick but the CurrentWidget showed charging from 1A to 8A. Listed on their Google play page they say that Samsung probably isn't supported.
The electric current reading doesn't work on all devices. The reason is that the manufactures (mostly Motorola and Samsung) don't support this in the battery driver or in the hardware.
here's a couple screenshots
Also Sorry for the large pics.
OP, I did some amazoning (new phrase, you like?) and here are a couple options I've found:
OEM Sammy charger: Dunno the charging speeds, but probably 1.1A like the chargers that come with our phones.
http://www.amazon.com/Samsung-Battery-Charger-2500mAh-Included/dp/B0076Z3FSQ/
Also there's this charger/dock:
It uses a 1A wall wart and here's the catch it's mentioned it charges both the phone and battery at the same time so it would split the power, I don't know if it'll shuffle the power around when only one battery needs a charge.
http://www.amazon.com/Hyperion-Samsung-Compatible-international-Packaging/dp/B006QBKTCG/
Long story short, the best you're probably going to get is a 1A charger, most aftermarket units I've seen are charging between 300mha to 400mha.
Click to expand...
Click to collapse
I've never got off-the-wall amperage #'s like that on my OG Note. I know it's accurate because the Samsung OEM wall charger is 1amp and my phone shows 1100~mA when plugged in. It shows the same #'s when plugged in to my 3amp car charger with charge-only cable.
klee2000 said:
Hey guys wanted to know where I can find a rapid battery charger. I'm currently using Anker Battery Expert but it takes around 5 or more hours to fully charge a battery. Would love to find a charger that could charge my battery within an hour!!!
Click to expand...
Click to collapse
I have the eBay wall chargers for my extra battery's.. I wish there was something faster but unfortunately I haven't come across it.
Sent from my SAMSUNG-SGH-I717 using xda premium
My OEM battery charges in about 1 hr .....
RooT -[]D[][]V[][]D- BeeR
The OEM charger cannot charge in an hour... the battery is 2.5AH and the charger gives out 1amp
Ideally if the phone was off it would take 2.5 hours. (without calculating inefficiencies etc)
Amazon has a great deal...battery charger with (2) 2750 mah batteries for 18.00...ive been using this for a couple weeks and it works GREAT
Sent from my SAMSUNG-SGH-I717 using XDA Premium HD app
lowspeed said:
The OEM charger cannot charge in an hour... the battery is 2.5AH and the charger gives out 1amp
Ideally if the phone was off it would take 2.5 hours. (without calculating inefficiencies etc)
Click to expand...
Click to collapse
With fast charge enabled with kernel I use I charge in about a hr to hr and a half from about 10 to 15 percent ....yes its possible.
Sent from my SAMSUNG-SGH-I717 using xda app-developers app

is it ok to leave the phone plugged in overnight?

not sure if this is good for the battery to leave it plugged into the charger when it's at 100%..
i been told before that these new devices it's ok to leave it plugged in...but i don't have a good feeling about this lol
it'd be great if someone can please chime in on this.
thanks all!
Yes it is OK. The charging circuitry will switch to a trickle charger when battery is almost fully charged.
Sent from my MB865 using xda app-developers app
I've been leaving phones plugged in overnight for about a decade and nothing has ever gone wrong:victory:
nickkyboy36 said:
I've been leaving phones plugged in overnight for about a decade and nothing has ever gone wrong:victory:
Click to expand...
Click to collapse
Me too
Sent from my GT-I9300 using xda premium
Done that every night for the pass 3yrs. Never have any issue.
Sent from my GT-I9300 using xda app-developers app
Except battery's going to wear out fast? That's what she said.
No because they're lithium iron batteries.
I believe they are different to older phones/batteries
Sent from my GT-I9300 using xda premium
the charging system is getting more and more intelligent...no reason to worry about that anymore
Just keep your batteries with more than 20-30% charge as much as possible.
Sent from my GT-I9300 using xda app-developers app
I leave my phone charged to 100% almost all the time:
- when I am at work I leave it plugged to the USB port
- when I am working at home, the phone is connected to the USB port
- when I am driving the phone is connected to the vehicular charger
- when I go to bed, if the phone is below 70%, I leave it plugged on the wall charger overnight.
Yet, when I am on long bike rides and the 3G+ data + GPS + synch are enabled, I still get excellent battery times.
Over charging any battery isn't very good for it, it's the same with laptops and well pretty much anything, so long as power is coming in the battery will take it, even if it is at a slower rate.
Ideally you would want it to charge to 100% and then a little bit more, maybe 20 mins, to make sure.
However i know we don't live in an ideal world and charging it overnight is the only thing that can be done by most users.
In my work we have a lot of phones plugged in all the time (all brands) and they have some strange effects happening, eg: Unresponsive touchscreen (removing the charger solves this), Poor battery life, glitchy screen etc.
Saying that, all of our phones are plugged in all of the time so it is an extreme situation.
If your worried about it then get a timed plug so it only charges for a few hours and then cuts off.
But you should be fine otherwise.
Just feel the charger when the phone's at 100% and it's giving off a f**k load of heat because the phone isn't actually taking anymore charge and the charger turns the reduced MAH it draws into heat in the charger, so just don't worry about it because the phone does all the work for you and can't go over a full charge.
My phone stops charging at 100%.
Sent from my GT-I9300 using Tapatalk 2
Instead of creating a new thread, I'd like to steer the ci bvr station towards what charger is it OK to use.
For the ones who know their stuff, can I use any USB charger or must I use only the Samsung charger that cane with the S3?
I remember reading the circuity that allows a proper charge is specific to Samsung chargers.
Sent from my GT-I9300 using xda app-developers app
RF12 said:
Instead of creating a new thread, I'd like to steer the ci bvr station towards what charger is it OK to use.
For the ones who know their stuff, can I use any USB charger or must I use only the Samsung charger that cane with the S3?
I remember reading the circuity that allows a proper charge is specific to Samsung chargers.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
Yeah you can use any Micro USB cable or charger as long as it outputs no more than 1000mah.
I thought a higher output was "good" in that it reduces the charging time.
Could you please explain why one must take into account a limit?
Conversely, is a low output harmful: how about charging from a laptop USB port?
Also, I have a HTC One X. Can I use the Samsung charger with it: how do I find out the output limit for the One X?
Sent from my GT-I9300 using xda app-developers app
RF12 said:
I thought a higher output was "good" in that it reduces the charging time.
Could you please explain why one must take into account a limit?
Conversely, is a low output harmful: how about charging from a laptop USB port?
Also, I have a HTC One X. Can I use the Samsung charger with it: how do I find out the output limit for the One X?
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
A higher current can damage the battery and possibly the phone and some people say the phone at any current above 1500mah but still haven't seen any proof yet, and you can probably get away with 1300mah but the more you the the hotter the battery gets then slowly expands and might pop, and yes you can use the HTC charger no problem but check any charger you use for output current wrote on charger, and also yes you can charge from a laptop or any really slow charger you like.
Michael_P said:
A higher current can damage the battery and possibly the phone and some people say the phone at any current above 1500mah but still haven't seen any proof yet, and you can probably get away with 1300mah but the more you the the hotter the battery gets then slowly expands and might pop, and yes you can use the HTC charger no problem but check any charger you use for output current wrote on charger, and also yes you can charge from a laptop or any really slow charger you like.
Click to expand...
Click to collapse
Correct me if I am wrong, but I thought the Samsung phones block excessive current and can accept up to 1amp. Also when using any charger that doesn't have the middle cables short-circuited would produce 500milliamps regardless of charger's output(this can be turned off with custom kernel). That's why there is a list of car chargers on gsII or Note forums that have the pins shorted. That said, people had reported that using HP touchpad cuts down in charging time while increasing heat.
I am looking into this a little more and some useful info I found.
My GT-I9300 charger outputs 1000mA @ 5V. The phone charges up quickly. No problem there.
When using a USB port on my Macbook Air (2012 model), under About This Mac > More Info... > System Report... > Hardware > USB > bottom USB High-Speed Bus Hub listed: I see that 500mA are avail from the USB 2.0 port (conforming with USB 2.0 standard specs), but the GT-I9300 is only requesting/ drawing 96mA, whether I am using the original Samsung USB cable which came with the phone or my favorite short Jawbone ERA USB to microUSB shorter cable.
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It just takes much longer to charge.
My One X (S720E) draws the full 500mA avail from the port:
It should be noted that some Apple peripherals/ devices (iPhone, iPad etc.) can request and get an additional 500mA from the port on computers/ monitors that supports this.
Here is the Apple Support Article that covers this.
Pretty much everything uses Lithium-Ion these days, and it's perfectly safe to leave overnight, heck I even upped the AC charge voltage to a straight-up 1200 on AC power.
Charging at lower powers is equally harmless, but if you use the phone you may drain faster than it can charge.
All in all, thse rumors about decreasing battery life are getting sillier and sillier these days. Earlier batteries were a bit finicky, but they have improved A LOT, and honestly, a new samsung battery costs 25 dollars? If I'm still using this device in 3-4 years when the battery finally gives out I'll be very surprised.
Sent from my tricked out AOKP GT-I9300

Would i see any difference using a 2.0amp charger?

I noticed that the plug that comes with the xperia z tablet is only 1.5amp, most other phones etc i have had have always been 2amp, i am just wondering if i would get a faster charge if i bought a 2amp charger, or could i potentially damage the unit if it is only supposed to have 1.5?
thanks
James
james_lpool said:
I noticed that the plug that comes with the xperia z tablet is only 1.5amp, most other phones etc i have had have always been 2amp, i am just wondering if i would get a faster charge if i bought a 2amp charger, or could i potentially damage the unit if it is only supposed to have 1.5?
thanks
James
Click to expand...
Click to collapse
AFAIK, the XTZ com go up to 2.1A (iPad charger) without any problems...
Felimenta97 said:
AFAIK, the XTZ com go up to 2.1A (iPad charger) without any problems...
Click to expand...
Click to collapse
Thank you very much, i've just ordered a 2.1ma charger, i really cant understand why sony released this tablet with a 1.5ma charger as it doesn't charge it as such if you are also using it, but a 2.1ma charger would, maybe they were just trying to save money lol
james_lpool said:
Thank you very much, i've just ordered a 2.1ma charger, i really cant understand why sony released this tablet with a 1.5ma charger as it doesn't charge it as such if you are also using it, but a 2.1ma charger would, maybe they were just trying to save money lol
Click to expand...
Click to collapse
No, not to save money; instead, to help the battery have a long life. Batteries that are charged with an amperage higher than their design ampere limit will not to live as long as batteries charged at or below their design ampere limit. So, charging your tablet's battery with a 2100 mA charger instead of a 1500 mA charger (per Sony's design) will shorten the battery's life.
Cat McGowan said:
No, not to save money; instead, to help the battery have a long life. Batteries that are charged with an amperage higher than their design ampere limit will not to live as long as batteries charged at or below their design ampere limit. So, charging your tablet's battery with a 2100 mA charger instead of a 1500 mA charger (per Sony's design) will shorten the battery's life.
Click to expand...
Click to collapse
Makes sense. Though I believe XTZ is 1.8 A, not 1.5A. The dock is 1.8A, so yeah...
Sent from my SGP311 using Tapatalk
Felimenta97 said:
Makes sense. Though I believe XTZ is 1.8 A, not 1.5A. The dock is 1.8A, so yeah...
Sent from my SGP311 using Tapatalk
Click to expand...
Click to collapse
The dock's 1.8 Ampere rating is a typical-of-industry safety rating of 20% higher than the charger's 1.5 Ampere rating.
Cat McGowan said:
The dock's 1.8 Ampere rating is a typical-of-industry safety rating of 20% higher than the charger's 1.5 Ampere rating.
Click to expand...
Click to collapse
I see... Well, for some reason, 1.8A is stuck in my head, but no problem...
My XTZ charges fairly quickly on the 1.5A provided. Less than 5 hours, I am sure (turned on, WiFi on)
Sent from my SGP311 using Tapatalk
I have already ordered a 2.1ma charger now online and was listed on a site as compatible with this tablet, I'm a bit unsure about using it now though even though is was listed for it.
james_lpool said:
I have already ordered a 2.1ma charger now online and was listed on a site as compatible with this tablet, I'm a bit unsure about using it now though even though is was listed for it.
Click to expand...
Click to collapse
Devices will only use what they want, you cant force for example, 4amps down its throat by connecting a 4amp charger. I connected it right to my galaxy s4's 2.5amp charger.
If its max charge current is 1.8amp, it will take that and no more.
>not responsible if yours explodes or something
Several photos of 2,1A charger(compared with the original):
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charging time ~ 4,5hrs
View attachment 2450022
james_lpool said:
I have already ordered a 2.1ma charger now online and was listed on a site as compatible with this tablet, I'm a bit unsure about using it now though even though is was listed for it.
Click to expand...
Click to collapse
Sites will always say they are compatible, as they wont your hard earn't cash.. But do you ever hear a manufacture, say it's ok to use a higher amp charger ??? No you don't.. Your better off picking up a portable charger that Sony recommend if your so worried about juice http://www.sony.co.uk/product/xperia-tablet-z/tab/editorialarticle2
Device will of course charge faster.
I don't expect it to have any measurable impact on tablet's battery life.
As with all chargers, voltage needs to be exact (or somewhere like 10% close - preferably 10% more not less), but amperage doesn't matter much as device will "suck" what it can anyway. Most chargers and devices nowadays have protection against "over"-whatever (overheating, overcharging etc.).
NLS said:
Device will of course charge faster.
I don't expect it to have any measurable impact on tablet's battery life.
As with all chargers, voltage needs to be exact (or somewhere like 10% close - preferably 10% more not less), but amperage doesn't matter much as device will "suck" what it can anyway. Most chargers and devices nowadays have protection against "over"-whatever (overheating, overcharging etc.).
Click to expand...
Click to collapse
Don't fool yourself mate just Google "fast charger kill battery" there's plenty of users complaints..
There are varied opinions on the charger capacity and how good they are vs the demerits of using higher capacity chargers on these forums. I found the following article very informative.
Most of us charge the device while in use, so that uses some current which explains why we cannot get a clear understanding of how Li-Ion battery works. Hopefully the article give some clearer understanding of how the charger works. It is not as simple as "Battery will only take what it needs." The Sony charger is designed for 1.5 Amp for a reason. As for the life of the batteries themselves, most of us may not notice it because by the time the life of battery becomes an issue, we would have changed the device ( That's my opinion, not a scientific fact
Unless the device itself has some current limiting circuit inside, the higher capacity charger is bound to pump more current into the device. I do not know for a fact if the Sony devices has some such limiting circuit.
http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
CountParadox said:
Devices will only use what they want, you cant force for example, 4amps down its throat by connecting a 4amp charger. I connected it right to my galaxy s4's 2.5amp charger.
If its max charge current is 1.8amp, it will take that and no more.
>not responsible if yours explodes or something
Click to expand...
Click to collapse
^^this.
Sent from my SGP321 using Tapatalk
---------- Post added at 03:07 AM ---------- Previous post was at 03:05 AM ----------
You simply cannot 'pump more current' into a device. Electricity just doesn't work like that.
Sent from my SGP321 using Tapatalk
technaudio said:
^^this.
Sent from my SGP321 using Tapatalk
---------- Post added at 03:07 AM ---------- Previous post was at 03:05 AM ----------
You simply cannot 'pump more current' into a device. Electricity just doesn't work like that.
Sent from my SGP321 using Tapatalk
Click to expand...
Click to collapse
Electricity just doesn't work like that ? yes in normal voltage sources. Here we are talking about the charging of the Li-Ion battery.
Actually there are constant current sources used to charge batteries. True, there are no ideal constant voltage or ideal constant current sources. But the issue of pumping more current into a device is still valid unless the device itself has current limiting circuits inside and limits it to 1.8 Amps as in the example above. What I said was I don't know for a fact that Sony has a limiter inside its tablet for the charging circuit. It may well have. I don't know that. Just because most sources ( including our household AC supply) are voltage sources does not mean all sources are voltage sources.. Please check the battery university link I posted above. They also show the charging characteristics of the battery..
Cat McGowan said:
No, not to save money; instead, to help the battery have a long life. Batteries that are charged with an amperage higher than their design ampere limit will not to live as long as batteries charged at or below their design ampere limit. So, charging your tablet's battery with a 2100 mA charger instead of a 1500 mA charger (per Sony's design) will shorten the battery's life.
Click to expand...
Click to collapse
i bought a power bank with two output of 1A and 2.1A, but some time my xperia charger with 1.5A output is not sufficient to charge my battery and give me not charging error...
So i was wonder due what you says, if i should use 2.1A output? and how much on battery life it may effect?
Yes you should.
Every battery charging circuit "pulls" as much amperage as needed to charge a battery.
It's not something that will destroy it.
The charger can give out up to 2.1A, but will actually give out as much as the charging circuit "asks" (note the quotes).
Battery will probably charge faster.
Now if this does affect battery life, yes in the long run it could, as most batteries "prefer" (extensive use of quotes I know) slower charging. It all depends on how smart the charging circuit is and Sony has a good track record for their smart batteries (unlike Samsung for example - which I hope they fixed with non-removable S6 battery - but that's off topic).

Transformer Prime AC charger safe? My stock one is not good...

Hi!
I noticed my phone takes a long time to charge and some times when using it while charging I will get a message about the phone being discharging as the power supplied was not enough or something along those lines.
I downloaded the battery status widget and noticed that at best, the charger goes to about 850 but for that I have to keep moving it as it seems some where inside the ac adapter and the USA adapter plug connected to it, something is going wrong.
I tried the original Sony usb cable and a different one as well.
Either way, when I move the AC Adapter parts connected to the wall, the charge changes and go crazy on the Batter Status widget , sometimes even shows like not even plugged any more :/
So I thought about trying my Transformer prime charger or I can try ordering another one that you guys may recommend.
Thanks!
Here is a pic of the specs on that adapter.
Or maybe I can use a Samsung one like this?
Samsung Charger 2A
Although the above seems to be a fake...so maybe just go with a sony one?
Sony
shaolin95 said:
Hi!
I noticed my phone takes a long time to charge and some times when using it while charging I will get a message about the phone being discharging as the power supplied was not enough or something along those lines.
I downloaded the battery status widget and noticed that at best, the charger goes to about 850 but for that I have to keep moving it as it seems some where inside the ac adapter and the USA adapter plug connected to it, something is going wrong.
I tried the original Sony usb cable and a different one as well.
Either way, when I move the AC Adapter parts connected to the wall, the charge changes and go crazy on the Batter Status widget , sometimes even shows like not even plugged any more :/
So I thought about trying my Transformer prime charger or I can try ordering another one that you guys may recommend.
Thanks!
Here is a pic of the specs on that adapter.
Or maybe I can use a Samsung one like this?
Samsung Charger 2A
Although the above seems to be a fake...so maybe just go with a sony one?
Sony
Click to expand...
Click to collapse
Looks like your Asus charger is 1.2A (1200mAh), so it's not the beefiest one out there. I'm not sure what the Sony one is, but i think it's 1.5A. Mine outputs around 800 - 1300mAh on the magnetic charger, and it uses around 2 hours to charge it from 0-100%. I usually charge it when i go to bed, but i'm always using it when it's charging in the dock, like wathcing YouTube videos and TV shows. I have never gotten a notification that says it's being discharged while i charge.
Does it get hot when it charges? (spoiler: it shouldn't do that)
I would buy a new - genuine, Sony charger. The thing is, if you buy or use a different charger and your battery goes to ****s, you can wave goodbye to your warranty. Also, since the battery isn't replacable you should treat it like your own son.
But let me summon @hamdogg for you. He knows a lot more about batteries than i do. I guess he'll show up in a minute or 12 hours. Hard to tell But he's on his way.
LordManhattan said:
Looks like your Asus charger is 1.2A (1200mAh), so it's not the beefiest one out there. I'm not sure what the Sony one is, but i think it's 1.5A. Mine outputs around 800 - 1300mAh on the magnetic charger, and it uses around 2 hours to charge it from 0-100%. I usually charge it when i go to bed, but i'm always using it when it's charging in the dock, like wathcing YouTube videos and TV shows. I have never gotten a notification that says it's being discharged while i charge.
Does it get hot when it charges? (spoiler: it shouldn't do that)
I would buy a new - genuine, Sony charger. The thing is, if you buy or use a different charger and your battery goes to ****s, you can wave goodbye to your warranty. Also, since the battery isn't replacable you should treat it like your own son.
But let me summon @hamdogg for you. He knows a lot more about batteries than i do. I guess he'll show up in a minute or 12 hours. Hard to tell But he's on his way.
Click to expand...
Click to collapse
hahahahah, you see that Asus charger confuses me because it says but then below it also says Output 5V=2A or 15V=1.2 I dont want to fry my phone!
So you get from 800 to 1300 using the Dk30?
Also, what is the model of your Sony charger. I want to try finding one with USA plug already so maybe that Sony one is the best option for me even though I would like to start going with Magnetic charger myself OR charging an external battery (if I get one) to avoid using the USB port too much.
I got the DK30 bundled with the phone. The charger model is EP880 and it outputs 1500mAh. It only says Sony on the dock itself.
Sent from my C6833 using Tapatalk
Got ya. Well I decided to get the DK30 even though now I am having second thoughts since some user seems to be having luck just using the magnetic adapters and connecting any usb cable to that adapter instead..but oh well, I guess I will get the DK30 and see how it works out for me.
Still trying to decide on that 4500mAh case/battery too!
LordManhattan said:
I got the DK30 bundled with the phone. The charger model is EP880 and it outputs 1500mAh. It only says Sony on the dock itself.
Sent from my C6833 using Tapatalk
Click to expand...
Click to collapse
shaolin95 said:
Got ya. Well I decided to get the DK30 even though now I am having second thoughts since some user seems to be having luck just using the magnetic adapters and connecting any usb cable to that adapter instead..but oh well, I guess I will get the DK30 and see how it works out for me.
Still trying to decide on that 4500mAh case/battery too!
Click to expand...
Click to collapse
I would like the Sony cp12 but it's about 100£ might have to just go for a 3rdparty power case
Sent from my C6833 using Tapatalk
Sorry have been away for a few days...
amps are fine no matter what the range. So 1.5 right up to 4.0 amps will not damage your device.
Volts on the other hand can damage your device. Don't go above 6v.
You should be able to get 5.v and 2.0 amps out of a wall charger, if not then its not been made properly, or not efficiently
[I have a 2.1amp unit and it suits me fine]
The difference is that your device will pull what ever I can up to a maximum, It look like the ultra can only pull 2200 (give or take) out of a charging unit, so any wall charger that states its over 2.5 amps will be a waste.
-So don't pay extra for anything above 2.2amps thinking you'll get faster charging. You wont.
---------- Post added at 12:54 AM ---------- Previous post was at 12:40 AM ----------
shaolin95 said:
Got ya. Well I decided to get the DK30 even though now I am having second thoughts since some user seems to be having luck just using the magnetic adapters and connecting any usb cable to that adapter instead..but oh well, I guess I will get the DK30 and see how it works out for me.
Still trying to decide on that 4500mAh case/battery too!
Click to expand...
Click to collapse
I got a free 5000mhz solar charger unit sent to me to review. I'll make a video for my channel shortly about this unit. Think it retails for $15 USD. Look pretty good, just need to test it on my ultra in a few days.
The thing with battery packs, is that it needs to be 200% larger than the internal battery. So if your Ultra battery is flat, then it charges off the 5000mhz battery pack, that would mean to it wont fully charge the ultra. It will get to 2500mha, and the battery pack will get down to 2500mhz, and then it wont be able to transfer charge. (Unless you can give charge to pack)
So my solar pack can charge my device to 75%, and then continue to charge it while the solar panel charges the pack..
Does that make sense??
There we go
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How to charge two Note 3s in a car, at the same speed OEM charger does

I have this http://www.siig.com/3-1a-dual-usb-car-charger.html and it doesnt charge my Note 3 at all. It just keeps it at the same charge, and shows up as USB under battery settings when plugged in
Then I bought this http://www.amazon.com/Kensington-Po...05&sr=8-4&keywords=kensington+4.2+car+charger and for some reason one port shows up as AC charging and the other as USB. Its supposed to be two identical 2.1 amp ports, so why that is happening is beyond me.
Can someone please recommend an app that works well withe the Note 3 to measure current?
Can someone please recommend something that will actually work? I basically want a charger (for car) that can charge my Note3 and my wife's, at the same time, at least at the same speed my OEM charger that came with the phone does.
Does what cable I use make a difference at all?
Thank you for your time
I don't have the GN3, but a GN2. I have and use Ventev 4.2A rapid car charger. You may want to try it. It works well with my GN2. What's nice about it, both ports are 2.1A 5V. I was hoping it would charge my GN2 and ASUS Infinity Pad tablet at the same time, but the tablet needed 15V. Thus, it's end up being trickle charger for the tablet, but does slow down the battery drain.
And it's pretty cheap. Seems solidly build. I also have the wall charger unit and works well too. It may just do the trick.
lovekeiiy said:
I don't have the GN3, but a GN2. I have and use Ventev 4.2A rapid car charger. You may want to try it. It works well with my GN2. What's nice about it, both ports are 2.1A 5V. I was hoping it would charge my GN2 and ASUS Infinity Pad tablet at the same time, but the tablet needed 15V. Thus, it's end up being trickle charger for the tablet, but does slow down the battery drain.
And it's pretty cheap. Seems solidly build. I also have the wall charger unit and works well too. It may just do the trick.
Click to expand...
Click to collapse
So what is the difference between that and the Kensington I bought?
Sent from my SM-N900P using Tapatalk
not much from what I can tell. Both have 2.1A ports, totaling 4.2A. What I was able to find (specs), the only difference is the case and price.
I didn't look at your second link. I thought you were looking for suggestions on a charger that could charge two GN3 quickly. I'm still a bit annoyed with many andriod 10" tablets needing 15V to charge. I have car cigarette power inverter with a AC plug outlet and two USB ports (2.1 and 1.0) that I can use that will charge my tablet quickly.
lovekeiiy said:
not much from what I can tell. Both have 2.1A ports, totaling 4.2A. What I was able to find (specs), the only difference is the case and price.
I didn't look at your second link. I thought you were looking for suggestions on a charger that could charge two GN3 quickly. I'm still a bit annoyed with many andriod 10" tablets needing 15V to charge. I have car cigarette power inverter with a AC plug outlet and two USB ports (2.1 and 1.0) that I can use that will charge my tablet quickly.
Click to expand...
Click to collapse
Well you are correct in that I am looking for suggestions, but since the charger you posted about is identical to what I bought, I'm wondering why the one I bought isn't working as intended. Hopefully somebody can chime in. Could it be that the Kensington isn't actually 5 volts ?
Sent from my SM-N900P using Tapatalk
And what about an app to measure current that works on the note 3?anybody?
Sent from my SM-N900P using Tapatalk
darkleafar said:
And what about an app to measure current that works on the note 3?anybody?
Sent from my SM-N900P using Tapatalk
Click to expand...
Click to collapse
Galaxy Charging Current Lite
There's also a Pro version for $0.99 as well. I use the free version and it works just fine, but there are ads, but that's expected from a "Lite" version of an app.
Thank you for the app recommendation. It has been helping. So here are some results.:
Using Kensington adapter, I get 350mah on both USB ports using a regular micro USB 2.0 cheapo cable I picked up at Frys for 2 bucks. Using another cheapo cable but this time 3.0, I get 1200 mah in one port and 450 in another.
Any ideas?
Sent from my SM-N900P using Tapatalk
Using my regular OEM adapter that came with the phone, I get 1200 also? What the heck that makes no sense. Is this app truly working?
Sent from my SM-N900P using Tapatalk
Try using OEM cables or at least high quality 3rd party cables. I ran into an issue with note 2 where my third party cables only charged at 250mah. When I got a replacement it jumped up drastically. Also car will be different than house wall outlet. Compare both.
Sent from my Nexus 10 using Tapatalk
h3ck said:
Try using OEM cables or at least high quality 3rd party cables. I ran into an issue with note 2 where my third party cables only charged at 250mah. When I got a replacement it jumped up drastically. Also car will be different than house wall outlet. Compare both.
Sent from my Nexus 10 using Tapatalk
Click to expand...
Click to collapse
Well i did compare it and like I said above I got 1200mah on both OEM house charger and the Kensington adapter in the car with USB 3.0 cable. Is it really possible my OEM house charger is only drawing 1200 mah? It makes me feel like the app isnt really working
Sent from my SM-N900P using Tapatalk
I had the same problem at first. Then looking at others forums and checking out my own phone I realized that the phone only charges at 1200mah while the screen is on no matter what chargers or cables you use. When the screen is off then is charges at 1800mah like normal. Samsung built this into the phone and I have no idea why.. I have noticed that the Y-CHARGE 4.2 Dual USB Car Charger charges two devices at 2.1amps each. I've tested both ports and they are good. http://www.tylt.com/y-charge-4-2/ Thats the link. Check it out. Hope it helps.
darkleafar said:
Well i did compare it and like I said above I got 1200mah on both OEM house charger and the Kensington adapter in the car with USB 3.0 cable. Is it really possible my OEM house charger is only drawing 1200 mah? It makes me feel like the app isnt really working
Sent from my SM-N900P using Tapatalk
Click to expand...
Click to collapse
When I had my issues I ended up averaging 1800 mAH on an oem. I used the Galaxy Charging Lite app as well. (Edit: just realizedthat's what you used too)
Just in case, you may wanna try another app. Usually the apps just measure the input based on what software tells them so there is a bit of inaccuracy but not enough to be way wrong. Truest test is an amperage meter or something like that. But 1800 on Wall adapter sounds right bad on a micro usb (2.0), I haven't tested usb 3.0 but it should be higher I would think.
Sent from my SM-N900T using Tapatalk
Spyderlotus said:
I had the same problem at first. Then looking at others forums and checking out my own phone I realized that the phone only charges at 1200mah while the screen is on no matter what chargers or cables you use. When the screen is off then is charges at 1800mah like normal. Samsung built this into the phone and I have no idea why.. I have noticed that the Y-CHARGE 4.2 Dual USB Car Charger charges two devices at 2.1amps each. I've tested both ports and they are good. http://www.tylt.com/y-charge-4-2/ Thats the link. Check it out. Hope it helps.
Click to expand...
Click to collapse
Just to be sure, you tested both ports using a note 3 and you actually got 2100mah readings in the app?
Sent from my SM-N900P using Tapatalk
This is my limited understanding that comes from researching this myself....
USB has 4 pins that our phones care about. The 5v+, 5V-, Data + and Data -. The 5V pins charge the phone. The Data pins tell the phone what rate to charge at. I believe it is specifically the voltage the phone senses on the data pins. There are some DIY mods out there to use resisters to change this and force a higher or lower charge rate. Those mods were a bit out of my comfort zone so I just skimmed them.
Also, Apple and Android do this differently in some way and most high voltage chargers have iphone and android specific ports because of this (whether they are labeled or not). The Anker car charger I got does this. I don't know of a reliable high amp car charger that has two "android" specific ports. I have tested the Android specific port and it seems to charge at the same rate as the wall charger that came with the phone. I will try and make time to test the "iphone" specific port on my Anker charger to see what mah I get and if there really is an appreciable difference.
DECIM8 said:
This is my limited understanding that comes from researching this myself....
USB has 4 pins that our phones care about. The 5v+, 5V-, Data + and Data -. The 5V pins charge the phone. The Data pins tell the phone what rate to charge at. I believe it is specifically the voltage the phone senses on the data pins. There are some DIY mods out there to use resisters to change this and force a higher or lower charge rate. Those mods were a bit out of my comfort zone so I just skimmed them.
Also, Apple and Android do this differently in some way and most high voltage chargers have iphone and android specific ports because of this (whether they are labeled or not). The Anker car charger I got does this. I don't know of a reliable high amp car charger that has two "android" specific ports. I have tested the Android specific port and it seems to charge at the same rate as the wall charger that came with the phone. I will try and make time to test the "iphone" specific port on my Anker charger to see what mah I get and if there really is an appreciable difference.
Click to expand...
Click to collapse
If it is not too much trouble, can you download the galaxy current lite app and tell me how many mah you are getting in your house charger and how many mah you are getting in your Anker Android port? Also, I'm assuming you got a Note 3?
Sent from my SM-N900P using Tapatalk
darkleafar said:
If it is not too much trouble, can you download the galaxy current lite app and tell me how many mah you are getting in your house charger and how many mah you are getting in your Anker Android port? Also, I'm assuming you got a Note 3?
Sent from my SM-N900P using Tapatalk
Click to expand...
Click to collapse
The app will tell you 1200 if your screen is on - after is been plugged in, make sure your screen is turned off, then quickly pull up the app after you turn your screen on and it will show 1800
Sent from my Wicked V.5 SM-N900T
Here's what I've been using. Great so far. http://www.amazon.com/dp/B00GANTT94/ref=cm_sw_r_udp_awd_HsY3sb034XV0R
I bought a dual outlet 4.2amp charger at big lots (got 4 of them actually on sale $10 a pop) that is 2.1 amps per outlet. I use samsung cables with it and my note 3 charges are full speed no problem.
I would just bypass all this and get an inverter for the car and run the OEM charger... takes out all the guesswork and charges exactly the way you are expecting.
Example... turns your cars 12vDC into 120vAC
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