has anyone so far tried changing the voltage input to the battery, to try and charge it faster? i know the kernel sets voltage limits on how much it will accept, so a custom kernel could allow even higher voltages to be accepted.
thoughts?
soraxd said:
has anyone so far tried changing the voltage input to the battery, to try and charge it faster? i know the kernel sets voltage limits on how much it will accept, so a custom kernel could allow even higher voltages to be accepted.
thoughts?
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Click to collapse
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Pretty sure the battery probably have hardware safeguards against it too.
I use HTC Sensation wall charger to charge my wife's SGS2, while they both have 5 volts, HTC has 1 amper and Sammy has 0.7 amper. I think it charges faster than using original charger
camspy said:
I use HTC Sensation wall charger to charge my wife's SGS2, while they both have 5 volts, HTC has 1 amper and Sammy has 0.7 amper. I think it charges faster than using original charger
Click to expand...
Click to collapse
actually it wont, the option is explored in siyah kernel for sgs2 and they finally concluded the sgs2 has hadware wall
most android is 5v
That's right, I've been comparing all my friend's phone and most the android devices are having 5v of current charger, but different in amp which is describes the speed of current. I wonder if I could find the app to increase it's amp. Because it really bother me to always using power bank whenever my battery's running low, the original charger is having insufficient power each time I charge the phone while playing game or surfing the web.
Increasing current by a bit won't do any harm, but increasing voltage could well lead to cell damage/component damage
Necro whatsit alive and well today .
jje
JJEgan said:
Necro whatsit alive and well today .
jje
Click to expand...
Click to collapse
Ha ha, just noticed it was another necro-poster, well spotted
slaphead20 said:
Ha ha, just noticed it was another necro-poster, well spotted
Click to expand...
Click to collapse
I really really like that definition .
jje
I'm using SiyahKernel S3 with STweaks. I've got my voltage set to max on both USB and Mains (Even though I've never used a mains adapter on this phone...)
And I can say it charges pretty quick. I'll send a screenshot in a mo.
Sent from my GT-I9300 using xda app-developers app
Edit:
Here's the screenshot. Sorry for the delay, the XDA app didn't want to upload it, so I had to wait for my PC to reach it's working temperature.. (Sounds weird, don't it?)
Oh. I accidentally wrote "voltage". Meant "Current"
familyguy59 said:
I'm using SiyahKernel S3 with STweaks. I've got my voltage set to max on both USB and Mains (Even though I've never used a mains adapter on this phone...)
And I can say it charges pretty quick. I'll send a screenshot in a mo.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
I thought siyah increased current, not voltage?
slaphead20 said:
I thought siyah increased current, not voltage?
Click to expand...
Click to collapse
I guess it does, but I'd think that it also tweaks the voltage. I'm sure just putting up the amps ain't good for the hardware.. If I'm wrong, please correct me ^^
Lg
familyguy59 said:
I guess it does, but I'd think that it also tweaks the voltage. I'm sure just putting up the amps ain't good for the hardware.. If I'm wrong, please correct me ^^
Lg
Click to expand...
Click to collapse
I think the voltage stays the same, but the current restrictions are adjusted, basically it overrides the charging current limiter
slaphead20 said:
I think the voltage stays the same, but the current restrictions are adjusted, basically it overrides the charging current limiter
Click to expand...
Click to collapse
Hmm. I'm not sure. Like I said, it seems like if you only increase the amps without changing the voltage, you'll:
A: - Bugger up the phone's hardware
or
B: - Bugger up the power supply..
I'll have to take a closer look, at some point in time.. (Yay! Playing hide and seek with Linux system files! Awesome!)
Lg
familyguy59 said:
I guess it does, but I'd think that it also tweaks the voltage. I'm sure just putting up the amps ain't good for the hardware.. If I'm wrong, please correct me ^^Lg
Click to expand...
Click to collapse
Since when "mA" is voltage value? Maybe "V" from Volt? Look at screenshot and think again, it's basics.
Increasing Voltage will burn your device, no doubt about. Current is calculated to power consumption based on Voltage. (Basics of Electrics & Electronics)
[/COLOR]
slaphead20 said:
I think the voltage stays the same, but the current restrictions are adjusted, basically it overrides the charging current limiter
Click to expand...
Click to collapse
You're right. It's exactly how it works
djembey said:
Since when "mA" is voltage value? Maybe "V" from Volt? Look at screenshot and think again, it's basics.
Click to expand...
Click to collapse
Read the post again and look if you miss-read anything. "It's basics"...
Edit: Wow. That picture is bigger than I thought. Rofl I'll hide it..
familyguy59 said:
Read the post again and look if you miss-read anything. "It's basics"...
Edit: Wow. That picture is bigger than I thought. Rofl I'll hide it..
Click to expand...
Click to collapse
I haven't miss-read anything, you've NO clue about electricity. I'm not going to waist my time and explain what is what and how it works.
Look at your screenshot, there's No Voltage setting ffs, it's Current in "mA"!!! But never mind......
Good luck.
http://dl.dropbox.com/u/105231980/XDA/Screenshot_2013-03-04-20-32-35.png
djembey said:
I haven't miss-read anything, you've NO clue about electricity. I'm not going to waist my time and explain what is what and how it works.
Look at your screenshot, there's No Voltage setting ffs, it's Current in "mA"!!! But never mind......
Good luck.
http://dl.dropbox.com/u/105231980/XDA/Screenshot_2013-03-04-20-32-35.png
Click to expand...
Click to collapse
Dude, I understood what you said, but you didn't understand what I wrote and you edited your post, so stop being childish.
I'm the last person you'd need to try and "explain something" about electronics, current, voltages and amps. Especially as I modify and tweak hardware and circuitry...
All I was saying, is that I can't imagine that it'd only set the amps, because the hardware (Not necessarily the device's hardware, but that of the computer/Xbox/Mains socket) would go putt. You'd have to set up the voltage by a few mV, and that wouldn't harm the hardware in any way, especially as we do the same to our processors in PCs, tablets, phones and any else which is overclockable so the the hardware can actually perform the performance desired by the overclocker (The human being).
I hope you now understood and learned something.
---------- Post added at 02:19 PM ---------- Previous post was at 02:15 PM ----------
ixyak said:
That's right, I've been comparing all my friend's phone and most the android devices are having 5v of current charger, but different in amp which is describes the speed of current. I wonder if I could find the app to increase it's amp. Because it really bother me to always using power bank whenever my battery's running low, the original charger is having insufficient power each time I charge the phone while playing game or surfing the web.
Click to expand...
Click to collapse
SiyahKernel comes with STweaks. Or you can (I think) use Voltage Control.. CHeck the Play Store
Related
Looking for confirmation that the battery from the Rezound will work with the Thunderbolt. If anyone can confirm this I would greatly appreciate it.
Shawn haz root said:
Looking for confirmation that the battery from the Rezound will work with the Thunderbolt. If anyone can confirm this I would greatly appreciate it.
Click to expand...
Click to collapse
all I can confirm is that the battery from the T-Mobile MyTouch 4G also works in the Thunderbolt(and vice-versa), just not the back covers.
also, once we know if the Rezound/Thunderbolt batteries are compatible, the back covers obviously will not be. so if you're planning on putting one of those extended batteries in the Rezound you'll be out of luck.
The Thunderbolt battery works in the Rezound, at least mine did.
Sent from my ADR6400L using XDA App
I just switched them between my Rezound and my wife's Thunderbolt. They both worked in the opposite phone. However, on the Rezound, the battery icon showed an exclamation point, like something was wrong. Phone still works though. *shrug* Back covers fit on both too.
After getting mine on Thursday I did notice the Rezound battery will fit a Thunderbolt and vise versa but in looking at the voltages the Rezound battery is a 3.8v and the Thunderbolt is a 3.7v so I would mess around with it. The voltages don't match up. But they do fit perfectly.
I ended up buying one at the VZ store. It's working but for some reason my battery is not reporting the correct level. I can't figure out why. I have cleared cache, dalvik, and battery stats (at 100%.) I even wiped and reloaded my rom. Anyone have any ideas on how to fix it?
The voltage is different I believe the capacity of the battery is read by the voltage, so if the voltage is already lower it will read a lower charge.
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Both have the same voltage. 3.7v.
Can't read the Rezound battery.
Sent from my Galaxy Tab 10.1
jbh00jh said:
Can't read the Rezound battery.
Sent from my Galaxy Tab 10.1
Click to expand...
Click to collapse
Thunderbolt: 3.7VDC - 1400mAh - 5.18Whr
ReZound: 3.7VDC - 1620mAh - 5.99Whr
basically, the Thunderbolt battery should work just fine... although since the 'wattage hours' on the Thunderbolt battery is lower(not to mention the 'milliamp hours'), the Thunderbolt battery isn't going to last anywhere near as long as the ReZound battery.
It's working great now. Thanks guys.
Hello, looking at what pictures I could find, the sensation XE and the evo batteries all look similar to the rezounds, any chance someone here has some lying around to test? A 1730mAH battery would be nice if it fits with back cover.
*Edit* Ahh I see there is a 1800mah for the rezound already, ill just go with this!
Shawn haz root said:
Both have the same voltage. 3.7v.
Click to expand...
Click to collapse
Ok, so weird. This is my Rezound battery:
My buddy bought a Rezound at Best Buy just a few hours before me, though, and his has the 3.7v batt. So strange. Obviously, the Rezound is able to cope with either voltage, though.
---------- Post added at 11:16 AM ---------- Previous post was at 11:07 AM ----------
Kotori said:
Hello, looking at what pictures I could find, the sensation XE and the evo batteries all look similar to the rezounds, any chance someone here has some lying around to test? A 1730mAH battery would be nice if it fits with back cover.
*Edit* Ahh I see there is a 1800mah for the rezound already, ill just go with this!
Click to expand...
Click to collapse
Link to the 1800mAh Rezound batt?!
SamXp said:
Ok, so weird. This is my Rezound battery:
My buddy bought a Rezound at Best Buy just a few hours before me, though, and his has the 3.7v batt. So strange. Obviously, the Rezound is able to cope with either voltage, though.
Click to expand...
Click to collapse
Battery voltage is not a constant. A single cell lithium ion battery is rated at 3.7 volts. The 3.8 volts on your pack is probably a miss-label. At full charge, a single cell lithium ion battery will be around 4.2 volts. It will go down from there to a pre-determined low cutoff to protect the cell. If you can find a widget or app that shows battery voltage, you will see what I mean. I've never run my phone down to see what level it shuts off at but I suspect it to be somewhere around 3200 - 3000 mV. As someone who races RC Cars with lithium ion batteries, I can tell you that we usually use 3 volts for a low cutoff to prevent damage to the cells.
SamXp said:
Ok, so weird. This is my Rezound battery:
Click to expand...
Click to collapse
I doubt it's just a wrong label. His part number is different from ours with 3.7V
l7777 said:
Battery voltage is not a constant. A single cell lithium ion battery is rated at 3.7 volts. The 3.8 volts on your pack is probably a miss-label. At full charge, a single cell lithium ion battery will be around 4.2 volts. It will go down from there to a pre-determined low cutoff to protect the cell. If you can find a widget or app that shows battery voltage, you will see what I mean. I've never run my phone down to see what level it shuts off at but I suspect it to be somewhere around 3200 - 3000 mV. As someone who races RC Cars with lithium ion batteries, I can tell you that we usually use 3 volts for a low cutoff to prevent damage to the cells.
Click to expand...
Click to collapse
Yeah, I don't put too much stock in it. I measure close to 4.2v at full charge, but never checked the low voltage cutoff. I used to race RC but that was before LiIon rolled around!
Mooselips said:
I doubt it's just a wrong label. His part number is different from ours with 3.7V
Click to expand...
Click to collapse
And there are a good number with the 3.8v batt. Poll here:
http://androidforums.com/htc-rezound/449482-your-rezound-batt-3-7v-3-8v.html
I have a 3.8 volt battery. I have it in my hand right now.
I had the skyrocket originally but didn't like the lack of custom ROM and not to mention I don't really care about LTE. SO i've been thinking about getting the Samsung galaxy S II since I loved the skyrocket. One thing I did experience with the skyrocket and everything I've been able to research up to this point also indicates the same on the galaxy S II. It takes nearly 3-4 hours to fully charge the phone. Is there any way with custom rom or Kernel or any other tweaks to make this faster? I understand increasing the current to the battery does make it degrade faster, and quite honestly I don't really care. If the battery lasts me 1 year I'm happy with it as the batterys are inexpensive and easily changeable.
its internally controlled by the chip and cannot be changed. period.
Unfortunately, unlike the original GalaxyS series, our device has a fixed charger that only charges at 400 mA (USB) or 650 mA (regular charger). There appears to be no way to change these current limits.
There's a slight chance I might find a way to make the MAX8997 handle charging instead of the MAX8922, but I'd estimate the chances of this happening at <5%.
Entropy512 said:
Unfortunately, unlike the original GalaxyS series, our device has a fixed charger that only charges at 400 mA (USB) or 650 mA (regular charger). There appears to be no way to change these current limits.
There's a slight chance I might find a way to make the MAX8997 handle charging instead of the MAX8922, but I'd estimate the chances of this happening at <5%.
Click to expand...
Click to collapse
SO YOU'RE TELLING ME THERE'S A CHANCE!!
Been awhile since I've seen dumb and dumber
Sent from my páhhōniē
Entropy512 said:
There's a slight chance I might find a way to make the MAX8997 handle charging instead of the MAX8922, but I'd estimate the chances of this happening at <5%.
Click to expand...
Click to collapse
well, thats about 100% better than my chances of doing it But on a serious note, I heard that the faster you charge the less your battery life would have. is that correct? I thought I read that slower charging is better for the battery.
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You can try and change the values using voltage control, but not sure if it will actually lower the charging time.
Sent from my GT-I9100 using XDA App
that isnt an option on my phone.
nyydynasty said:
well, thats about 100% better than my chances of doing it But on a serious note, I heard that the faster you charge the less your battery life would have. is that correct? I thought I read that slower charging is better for the battery.
Click to expand...
Click to collapse
True - There are two ways you can use "life" to describe a battery:
1) Capacity for a given charge
2) Number of charge/discharge cycles before 1) gets reduced - Charging a device faster and "bump charging" that last little bit of juice in at the end is bad for this
On the Infuse I had a custom algorithm that was intended to provide improved charge rates for deeply discharged devices, but not stress the battery TOO much - The algorithm dropped current early as voltage increased, and also cut off charging earlier. So it took longer for the last phase of charging, but could charge a deeply discharged battery much faster.
cfaberlle said:
You can try and change the values using voltage control, but not sure if it will actually lower the charging time.
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
Siyah removed those features in later versions after this video:
http://www.youtube.com/watch?v=FL71G2YEIHU
I use my HP Touchpads charger and it seems to charge pretty quickly, though I never timed it. CurrentWidget says its charging at around 1800mA.
*sigh*
Someone didn't read the first post of the thread for the kernel they're using in its entirety...
You are not charging at 1800 mA.
I did not....:x good to know though, my bad!
I have a problem when using some specs hungry apps especially when im using iOnroad even if its plugged in my battery discharges
At home i saw the same problem also while using facebook and some games
My car charger is a ipad certified usb charger and at home im using the stock samsung charger
Is it normal??? Is there a fix??
Sent from my I 9100 Galaxy S II using XDA
If by fix you mean somehow increase the charging power, then no, there is not a software fix for this.
Alternatives which might help include lowering brightness, throttling CPU or disabling one core.
dj_m said:
I have a problem when using some specs hungry apps especially when im using iOnroad even if its plugged in my battery discharges
At home i saw the same problem also while using facebook and some games
My car charger is a ipad certified usb charger and at home im using the stock samsung charger
Is it normal??? Is there a fix??
Sent from my I 9100 Galaxy S II using XDA
Click to expand...
Click to collapse
well you could get a custom rom with CM kernel or siyah and enable fast charge mode
cheers
E
pan7her said:
well you could get a custom rom with CM kernel or siyah and enable fast charge mode
cheers
Click to expand...
Click to collapse
And then after 3 months throw battery into trash
I am already on siyah
But fast charge does it damage the usb port
Sent from my I 9100 Galaxy S II By AhM using XDA
i used my phone while charging an i dint have drain prblm,wat rom,kernel u on .iam experimental but now on stock wiv neak krnel
pan7her said:
well you could get a custom rom with CM kernel or siyah and enable fast charge mode
Click to expand...
Click to collapse
Or spout random crap that doesn't mean anything. There is no such thing as fast charge mode on the I9100, stop spreading nonsense.
im usin deter rom lp9 --->http://forum.xda-developers.com/showthread.php?t=1634770
with siyah 3.2 and ld3 modem
i dont think its rom related because i was on neat and galaxyMod roms and i had the same problem
oinkylicious said:
Or spout random crap that doesn't mean anything. There is no such thing as fast charge mode on the I9100, stop spreading nonsense.
Click to expand...
Click to collapse
its not crap i saw that charging ''overclock'' but it can do some damage to the ports on both end
dj_m said:
its not crap i saw that charging ''overclock'' but it can do some damage to the ports on both end
Click to expand...
Click to collapse
I'd like to request that you stop spouting nonsense too.
funny
oinkylicious said:
Or spout random crap that doesn't mean anything. There is no such thing as fast charge mode on the I9100, stop spreading nonsense.
Click to expand...
Click to collapse
you are quiet the pretentious prick are you?
see this
http://forum.xda-developers.com/showthread.php?t=1555259
and a quote from the thread
"[..] Faster charging for misc and USB modes. There are 3 modes (AC, Misc, USB) and normally last two of them support only slow charging. You can have charging speed of AC by increasing it (especially user while charging in car or using USB port) [..]"
oh and look its for the I9100, well obv siyah must be lying and the guys from cyanogen mod as well, lucky enough we have you to tell us what kind of reality we ought to believe in.
and as someone with a masters degree in computer science i can tell you that you can program a AC controller to charge more cycles, however it is usually not done because it has side effects like you cant charge and access the files at the same time also speed suffers and also it causes more heat to the battery which in turn lowers its lifecycle
so do us a favor will you? gtfo if you dont have anything useful to say and just come to spread YOUR nonsense without any knowleadge whatsoever
cheers.
pan7her said:
you are quiet the pretentious prick are you?
see this
http://forum.xda-developers.com/showthread.php?t=1555259
and a quote from the thread
"[..] Faster charging for misc and USB modes. There are 3 modes (AC, Misc, USB) and normally last two of them support only slow charging. You can have charging speed of AC by increasing it (especially user while charging in car or using USB port) [..]"
oh and look its for the I9100, well obv siyah must be lying and the guys from cyanogen mod as well, lucky enough we have you to tell us what kind of reality we ought to believe in.
and as someone with a masters degree in computer science i can tell you that you can program a AC controller to charge more cycles, however it is usually not done because it has side effects like you cant charge and access the files at the same time also speed suffers and also it causes more heat to the battery which in turn lowers its lifecycle
so do us a favor will you? gtfo if you dont have anything useful to say and just come to spread YOUR nonsense without any knowleadge whatsoever
cheers.
Click to expand...
Click to collapse
Not to be argumentative... but that says:
Faster charging for misc and USB modes. There are 3 modes (AC, Misc, USB) and normally last two of them support only slow charging. You can have charging speed of AC by increasing it (especially user while charging in car or using USB port)
Click to expand...
Click to collapse
Seems to me this says it increases USB and misc charging modes up to the same level of AC charging. Not that it increases AC charging, which is what the OP seems to be asking for.
EDIT: I'm sorry. Guess he was asking about car charging... it was a bit hard to read his post though.
i read that 650ma is the max that this phone will allow.
http://forum.xda-developers.com/showthread.php?t=1468834&highlight=voltage+control
pan7her said:
blah blah blah epeen stuff blah blah blah
so do us a favor will you? gtfo if you dont have anything useful to say and just come to spread YOUR nonsense without any knowleadge whatsoever
Click to expand...
Click to collapse
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done arguing *hug*
pan7her said:
done arguing *hug*
Click to expand...
Click to collapse
Glad to hear it. After you're done hugging Pikachu, have a read through http://forum.xda-developers.com/showthread.php?t=1468834
pan7her said:
you are quiet the pretentious prick are you?
see this
http://forum.xda-developers.com/showthread.php?t=1555259
and a quote from the thread
"[..] Faster charging for misc and USB modes. There are 3 modes (AC, Misc, USB) and normally last two of them support only slow charging. You can have charging speed of AC by increasing it (especially user while charging in car or using USB port) [..]"
oh and look its for the I9100, well obv siyah must be lying and the guys from cyanogen mod as well, lucky enough we have you to tell us what kind of reality we ought to believe in.
and as someone with a masters degree in computer science i can tell you that you can program a AC controller to charge more cycles, however it is usually not done because it has side effects like you cant charge and access the files at the same time also speed suffers and also it causes more heat to the battery which in turn lowers its lifecycle
so do us a favor will you? gtfo if you dont have anything useful to say and just come to spread YOUR nonsense without any knowleadge whatsoever
cheers.
Click to expand...
Click to collapse
Unless you are charging off your computer, the phone already uses AC charging mode, even if you are charging in car.
It's also one thing what you can program, entirely another what the battery will take. Your run of the mill NiMH battery can tolerate high charging current up to 1C relatively well, even higher just make it heat up and shorten lifetime. When it comes to lithium ion there's a specific charge algorithm you need to follow, and any faster you will risk literally having a ball of fire on your hand. This is why all the OEM li-ion charger takes 3 to 4 hours to charge at quickest.
Unfortunately this also means if you are using very power intensive app you will lose charge even if plugged in. The phone cannot take "extra" power from the charger to supplement the power requirement even though the charger can supply it.
THANKS GUYS
i didnt know that there was an app for siyah kerne i was downloading his kernels from his site and he never mentionned it only on this forum
im gonna try it
Anyone know of an app that measures the battery's mAh?
I have tried battery monitor by 3c, but I don't think it works completely with HTC phones.
Either it keeps saying measurement requires 40% or larger charging cycle or it reports something crazy..
Thanks in advance..
Sent from my Sensation using XDA
elmalote said:
Anyone know of an app that measures the battery's mAh?
I have tried battery monitor by 3c, but I don't think it works completely with HTC phones.
Either it keeps saying measurement requires 40% or larger charging cycle or it reports something crazy..
Thanks in advance..
Sent from my Sensation using XDA
Click to expand...
Click to collapse
Battery Calibration, search for it on the market
creeve4 said:
Battery Calibration, search for it on the market
Click to expand...
Click to collapse
It doesn't show mAh only mV judging by the screen shots.
Sent from my Sensation using XDA
Is this you are looking for
https://play.google.com/store/apps/details?id=com.manor.currentwidget
Sent from my Sony Xperia Neo using Tapatalk 2
Tenacius D said:
Is this you are looking for
https://play.google.com/store/apps/details?id=com.manor.currentwidget
Sent from my Sony Xperia Neo using Tapatalk 2
Click to expand...
Click to collapse
No, I'm looking for something to show the battery's capacity. Like for example 1520mAh.
Sent from my Sensation using XDA
Something like this?
{
"lightbox_close": "Close",
"lightbox_next": "Next",
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"lightbox_download": "Download",
"lightbox_share": "Share",
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Sent from my E15i using xda premium
elmalote said:
Anyone know of an app that measures the battery's mAh?
I have tried battery monitor by 3c, but I don't think it works completely with HTC phones.
Either it keeps saying measurement requires 40% or larger charging cycle or it reports something crazy..
Thanks in advance..
Sent from my Sensation using XDA
Click to expand...
Click to collapse
hey i would also suggest using the battery monitor widget pro as it has settings for u to set the mAh and then it will calibrate itself accordingly
letaureau said:
hey i would also suggest using the battery monitor widget pro as it has settings for u to set the mAh and then it will calibrate itself accordingly
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I know this thread is old. But in case anyone still interested, you can find it by looking at your physical battery(if you have a removal battery of course)
Look for Wh and V printed on the battery.
mAh = Wh × 1000 / V
Example:
Samsung Galaxy S3: 3.8 V 7.98 Wh
7.98Wh × 1000 / 3.8V = 2100mAh
I think he meant how much Mah or capacity is actually left on the battery. You can do this in Linux, but not sure about Windows or Android. For example my laptop battery is rated at 4400mah, but the Lubuntu tool tells me max capacity is only 2920mah now.
Well, I think what he needs is to test the battery capacity, as we know lot of 3rd party battery claim higher capacity than it does.
The way to do this correctly by measuring the battery using mAH meter.
But if you want to do it by software, I think you can use this
https://play.google.com/store/apps/details?id=ru.NanoDinamics.NovaTester
But, I'm not sure either this will give you an accurate result.
Noel212 said:
Well, I think what he needs is to test the battery capacity, as we know lot of 3rd party battery claim higher capacity than it does.
The way to do this correctly by measuring the battery using mAH meter.
But if you want to do it by software, I think you can use this
https://play.google.com/store/apps/details?id=ru.NanoDinamics.NovaTester
But, I'm not sure either this will give you an accurate result.
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Gonna check it, but as my battery is about 3 years and some months old (Galaxy S2), I won't have any way to know if the result is OK.
Thanks for sharing the app!!
Well, after running the full test, it showed that my battery's real capacity is a hilarious amount of 750mAh, not even one Ampere per hour. I estimate about 1800 charging cycles
escarabajo said:
Well, after running the full test, it showed that my battery's real capacity is a hilarious amount of 750mAh, not even one Ampere per hour. I estimate about 1800 charging cycles
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wich of the 3 tests did you use? (in nova battery tester)
issy_i said:
wich of the 3 tests did you use? (in nova battery tester)
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The longest one, ran it till the battery died
escarabajo said:
The longest one, ran it till the battery died
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okay thanks, then i will do that test too, my original 1650mAh is also about 3 yrs old so im very curious
issy_i said:
okay thanks, then i will do that test too, my original 1650mAh is also about 3 yrs old so im very curious
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When finished let me know rhe results, although my S2 is retired now, I am curious about the results
escarabajo said:
When finished let me know rhe results, although my S2 is retired now, I am curious about the results
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Okay i will
now im using an 1 year old mugen extended battery (3200mah), i will put this batt tot the test too
overall im still happy with the S2, its far from ready to sent to retirement just yet lol
okay the test is started
Here it is and im very suprised, +- 400mAh loss in a period of 3 years
here is the result of the test of the Mugen 3200mAh battery.
(bought it used a year ago, so i dont know how long it was used before i bought it).
And i did my research, this battery has been tested (new) and give arround +- 2400mAh in real-time even though Mugen claiming its 3200mAh
overall +- 250mAh loss, im very pleased with the performance
btw for informative purposes the screen was at full brightness in both tests
I've seen reference to a couple different batteries that should fit/work, for those looking to replace the battery for one reason or another and figured I'd consolidate things here...
http://planetfon.ru/akkumuljator-li-pol---3-7v--5000mah_l238
http://www.allbatteries.co.uk/tablet-battery-3-8v-5100mah-tml90080.html
The challenge being for some that neither of those will ship to the US (no one will internationally probably, because of our lipo shipping restrictions).
Anyone found a supplier in the states with something similar?
My main worry would be: how do we know that the replacement battery we buy from some obscure online store is any safer than the original faulty battery?
zoodles said:
My main worry would be: how do we know that the replacement battery we buy from some obscure online store is any safer than the original faulty battery?
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You don't. But since my old tablet's battery got bloated, I'd rather take my chances with a dubious china battery...
BTW: Anyone knows a compatible battery obtainable in Germany?
@ slideyneez: Where did you get the link to the battery from allbatteries.co.uk from?
I found a battery that someone posted that should work and is found through AliExpress so they ship worldwide
http://m.aliexpress.com/item/2034516438.html
Battery specs
That'S great!
Anybody has original battery specs that we can compare?
espamcaca said:
That'S great!
Anybody has original battery specs that we can compare?
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http://www.anandtech.com/show/8296/the-nvidia-shield-tablet-review
https://forums.geforce.com/default/...eep-your-recalled-tablet-can-you-fix-it-tut-/
Here are some options too!
drug18477 said:
[email protected] slideyneez: Where did you get the link to the battery from allbatteries.co.uk from?
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Over in this thread - http://forum.xda-developers.com/showpost.php?p=62442239&postcount=336
Allbatteries looked to have the same thing (and even the same website design, maybe they are related), and was in a more convenient language so I cited that one.
espamcaca said:
That'S great!
Anybody has original battery specs that we can compare?
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Here's the specs of my "firehazard" battery.
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espamcaca said:
https://forums.geforce.com/default/...eep-your-recalled-tablet-can-you-fix-it-tut-/
Here are some options too!
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Ain't that battery got a bit too low voltage? The original battery is a 3.9v, but the one he shows is a 3.7v
andsa said:
Ain't that battery got a bit too low voltage? The original battery is a 3.9v, but the one he shows is a 3.7v
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0.2V isn't a significant difference for a whole battery pack - tolerances can easily lead to the same difference (+ or -).
FYI, the official replacement B01 battery is rated at 3.8V.
Sent from my SHIELD Tablet using XDA Free mobile app
andsa said:
Here's the specs of my "firehazard" battery.
Ain't that battery got a bit too low voltage? The original battery is a 3.9v, but the one he shows is a 3.7v
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That is not how these batteries work all lipo are 3.7v unless they have multiple cells in series then the voltage goes up in increments of 3.7
Also it should be known that a fully charged lipo will read 4.2v and a discharged will read 3-3.3v
The fire hazard with these is likely 2-fold 1 the charge and protection circuit has a flaw that allows the battery beyond a threshold either voltage or temp paired with a bad cell this had a bad habit of catastrophic failures. This is likely why nvidia opted to brick tablets rather than open them and swap the batteries and resell them as refurbished.
Btw that is what I would have done everyone got a k1 style tablet where the package had nothing but the new tablet inside was a return label and the procedure would have been factory reset tablet then package just the tablet no stylus no accessories. As the tablet you would get would be in a similar state... except the stylus slot might have a rubber plug...
Alright.
But has anyone tried a third party battery by now without any issues? For example the aliexpress one? Cause my old shield tablet is still off and awaiting a new battery and a kernel change because the tablet initially awaits the kernel killer to kill off the old one.
andsa said:
Alright.
But has anyone tried a third party battery by now without any issues? For example the aliexpress one? Cause my old shield tablet is still off and awaiting a new battery and a kernel change because the tablet initially awaits the kernel killer to kill off the old one.
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Well that depends what you call issues there are several in this thread that reported that the battery did not last as long that is not really what I would call an issue as the original battery was 5200mAh they put a 4250 in or even a 4000 that should last less it is an expected result...
But that said my previous post was a warning against this as the faulty bits might be part of the charging and protection circuit on the battery. Particularly the control chip that runs the sensors and the charging regulator.
Anyone do this yet I bought a LTE model and the battery is seriously eroded.
Sub-Negro said:
Anyone do this yet I bought a LTE model and the battery is seriously eroded.
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My post right above yours I did the reading for you the people using the Nexus 7 4250 mAh cell reported that it worked but with an expectedly shorter run time. As loosing about 1000 mAh is a noticeable drop.
mirrin said:
My post right above yours I did the reading for you the people using the Nexus 7 4250 mAh cell reported that it worked but with an expectedly shorter run time. As loosing about 1000 mAh is a noticeable drop.
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Interesting well I found a few batteries that have 5000mah. Not sure if they would work.
http://www.ebay.com/sch/i.html?_odk...0.H0.X5000mah.TRS2&_nkw=5000mah&_sacat=180235
Sub-Negro said:
Interesting well I found a few batteries that have 5000mah. Not sure if they would work.
http://www.ebay.com/sch/i.html?_odk...0.H0.X5000mah.TRS2&_nkw=5000mah&_sacat=180235
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In theory you could replace the pack with a bank of 14500 cells. As long as it was a 1s?p arrangement it means 1 series any number in parallel series is voltage and parallel would be capacity and amperage.
The procedure given to replace the battery packs in these tablets involves removing the charging/protection from the original pack and soldering the new pack to the old batteries solder points. So any bare lithium ion pack that is 1s?p configuration should work if it fits. 3.5mm 64 mm 150 mm is the 3 measurements for the OEM pack