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!
Related
I read few topics similar like this on other web sites, but i need more opinions from you guys. I have 3vo GSM for few days and i am afraid of charging the batery. Why? Because it is going up to 4350mv or 4.35V, and as i know it's too much (it's normal up to 4.1 or 4.2) and with that kind of charge you can reduce battery life. So i need to know is that rom related, kernel related or it's something wrong. I am rooted on MikRunny v1.11 and don't know is that happaning on stock phone. I don't know what is wrong, but i don't like this kind of charging.
It's normal.
majid25 said:
It's normal.
Click to expand...
Click to collapse
It's definetly not normal. It's hurting battery.
Wikipedia:
High charge levels and elevated temperatures (whether from charging or ambient air) hasten capacity loss. Loss rates vary by temperature: 6% loss at 0 °C (32 °F), 20% at 25 °C (77 °F), and 35% at 40 °C (104 °F).
(Many) Lithium-ion battery packs contain fail-safe circuitry that shuts down the battery when its voltage is outside the safe range of 3–4.2 V per cell. ....3.7 V nominal voltage with a 4.2 V max charge.
Typically, lithium-ion cells are charged with 4.2 ± 0.05 V/cell.
Is there something that can fix this????
4350mv is totally normal for our phones.
It's perfectly normal, stop being paranoid. It's just a phone.
Sent from my PG86100 using Tapatalk
Thanks for reply. My phone is charging from 99% to 100% in 45 minutes. Is that normal too??
Sent from my HTC EVO 3D X515m using XDA
kire.htc said:
Thanks for reply. My phone is charging from 99% to 100% in 45 minutes. Is that normal too??
Sent from my HTC EVO 3D X515m using XDA
Click to expand...
Click to collapse
No, that's a lie
Sent from my PG86100 using Tapatalk
bloodrain954 said:
No, that's a lie
Sent from my PG86100 using Tapatalk
Click to expand...
Click to collapse
Lol.
Trust me there are fail safes. Your phone will not blow up and your battery will no spontaneously com bust. Quit being paranoid...
bloodrain954 said:
It's perfectly normal, stop being paranoid. It's just a phone.
Sent from my PG86100 using Tapatalk
Click to expand...
Click to collapse
Just a phone? It's also got a highly volatile battery in it if you charge it incorrectly.
When people say "it's normal", you need to clarity whether normal = phone misreads charge voltage, or if normal = normal to charge at 4.35v. If it's "normal to charge at 4.35v" then that's a real big problem with your phone.
Li-ion is not to be ******* with. Please don't go telling people it's OK when it's not.
[This has been a public service announcement] lol ;-)
Sorry if the tone is harsh, but please go and read some articles on li-ion charging people
meme405 said:
Lol.
Trust me there are fail safes. Your phone will not blow up and your battery will no spontaneously com bust. Quit being paranoid...
Click to expand...
Click to collapse
So at what point are you going to mention one of the fail-safe's being that it vents to atmosphere when the battery pressure get's too high? (possibly with flame).
Overcharging li-ion battery is very dangerous. I did some research and this is what i found:
I fully charged my battery. On battery monitor widget it shows 4349mV. I turn off the phone, take off batery and measure with digital multimetar. It shows 4.31mV. So maybe the phone does't show very accurate stats. I'am still not sure.
This is what i found on web:
A source reached out to us and let us know that the Motorola Bionic's 3.8 V battery is in fact using a new alternative high voltage chemistry, and is not simply an overcharged Lithium Ion battery. This same battery will be used in the just-announced Motorola Atrix 2 as well. Note that the battery name includes an H (eg HW4X) to denote the use of these high voltage battery chemistries. This new chemistry also has similar cycle life as existing 3.7 V nominal batteries, and has been in the works for several years.
It’s just interesting that this particular battery is 3.8 V nominal (4.3 V fully charged), as this 0.1V boost design choice gives the battery a bit more capacity. It isn’t a huge difference, 3.7 V would make the 1735 mAh battery 6.4 Whr, the 3.8 V of this current design makes it 6.6 Whr.
SOURCE: http://www.anandtech.com/show/4910/motorola-droid-bionic-review-dual-core-with-4g-lte/2
This will be useful too:
http://forum.xda-developers.com/showthread.php?t=871051
So i hope that this will help someone.
bloodrain954 said:
No, that's a lie
Click to expand...
Click to collapse
ORLY? I've noticed on several different chargers that my Amaze is moderating the charging rate (and amperage, if you believe Battery Monitor Widget) as it nears 100%. I get "Battery Full" and "Charging complete" alarms well after "100%" is reached.
Both images are from overnight charge cycles, with screen turned off. Autosync and other periodic processes are disabled at night by Llama. Vertical indices represent one hour. Second image is for an HTC stock charger, U250.
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Back-up Battery(i.e-power banks,power tube,battery cases,etc)
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or
Removable Battery(i.e-Hyperion) remove and replace
Which do you prefer guys? any pros and cons.
ide go for the hyperion, its pretty much the same as genuine batteries if not then better
ive seen reviews that hyperion is one of the best and affordable also...
hope i helped
I've read that often removing the battery and placing another one will make the battery "pins" in the phone loose and will result.... don't remember exactly but negative effects on the battery
is that true?
bordikun said:
I've read that often removing the battery and placing another one will make the battery "pins" in the phone loose and will result.... don't remember exactly but negative effects on the battery
is that true?
Click to expand...
Click to collapse
well im not to sure about your question but ive heard that if you keep on charging the battery without fully draining it first gives you less battery life over time for the phone.
hope i am of help in some way
As2O said:
well im not to sure about your question but ive heard that if you keep on charging the battery without fully draining it first gives you less battery life over time for the phone.
hope i am of help in some way
Click to expand...
Click to collapse
As far I know, it's quite the opposite. Li-ion batteries do not have "memory effect". In fact, letting the battery fully discharge wastes a life cycle. However, it is advisable after 20/30 charges, to perform fully discharge/charge to re-calibrate the measurements. Some says that if battery stays between 40% and 60% of charge is the ideal (due to factors such as temperature, etc.).
I don't know if to keep changing batteries may affect the pins. But as long you keep using the batteries regularly its fine. Just don't let your batteries unused for a long time.
Thanks both, but if you were to buy one which would you choose?
bordikun said:
Thanks both, but if you were to buy one which would you choose?
Click to expand...
Click to collapse
as i said earlier ide go for the hyperions, ive seen reviews on them and they seem very good
bordikun said:
Back-up Battery(i.e-power banks,power tube,battery cases,etc)
or
Removable Battery(i.e-Hyperion) remove and replace
Which do you prefer guys? any pros and cons.
Click to expand...
Click to collapse
I don't trust 3rd party battery manufacturers anymore. I bought a couple Hyperion batteries with my Note. The batteries were supposed to be 2600 mah but it turns out they were really 1500. I have also had this same problem with another manufacturer that everyone said was good. I don't trust them anymore. I bought a genuine Samsung battery. One other thing to note, if you want to use NFC, you will need the Samsung battery.
homegeek said:
I don't trust 3rd party battery manufacturers anymore. I bought a couple Hyperion batteries with my Note. The batteries were supposed to be 2600 mah but it turns out they were really 1500. I have also had this same problem with another manufacturer that everyone said was good. I don't trust them anymore. I bought a genuine Samsung battery. One other thing to note, if you want to use NFC, you will need the Samsung battery.
Click to expand...
Click to collapse
I don't really use NFC that much, I only know a few people that have s3.
so that problem of the hyperion was the 2600 mAh turns out to be 1500 mAh? how did you know exactly? also did the battery(hyperion) did negative effects on your note?
bordikun said:
I don't really use NFC that much, I only know a few people that have s3.
so that problem of the hyperion was the 2600 mAh turns out to be 1500 mAh? how did you know exactly? also did the battery(hyperion) did negative effects on your note?
Click to expand...
Click to collapse
I found out because several people on various boards pulled the original label on the battery and saw the real mah size. This seems to be a problem with a lot of 3rd party batteries. You really do get what you pay for. The battery did work but did not last anywhere as long as the original. I also do not believe the batteries harmed my phone in any way.
Well you got 2 pcs of that hyperion batt right? so that makes equals to 1 good battery lol
I've also gave up hope on 3rd party batteries after a lot of testing and analysing with a real battery analyzer. For example, the genuine cell in a SGN specified to 1750mAh measured 1690mAh which is well within margins. The same for genuine Nokia cells. A well known 3rd party battery manufacturer has this "super mega xl" cell specified to x000mAh but turned out just at x300mAh which is really bad. The internal resistance also appears to be worse on most 3rd party cells.
Regards Per
Sent from my GT-I9300 using xda app-developers app
Not sure if this is dangerous or not... and really don't see how this is even possible. Charges at the full 9V/2A on my Pixel XL OEM charger.
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The power supply would not be anywhere near 100% efficient, so what it is taking AC is going to be close to double what it is giving to the phone.
Sent from my SM-G935F using Tapatalk
use those usb 3v-20v power meters, about $10 on ebay, it will give you a more accurate usb power output reading.
https://www.aliexpress.com/item/201...er-For-Cell-Phone-Power-Bank/32623928144.html
tonymy01 said:
The power supply would not be anywhere near 100% efficient, so what it is taking AC is going to be close to double what it is giving to the phone.
Sent from my SM-G935F using Tapatalk
Click to expand...
Click to collapse
Yes, it actually is near 100% efficient. You're saying it's only about 50% efficient which is an absurd unsupported statement. My Pixel XL reads 18W~ just like this when it charges from 0% - does that mean it's not charging at 9V/2A? No, it's definitely charging at 9V/2A.
sonhy said:
use those usb 3v-20v power meters, about $10 on ebay, it will give you a more accurate usb power output reading.
https://www.aliexpress.com/item/201...er-For-Cell-Phone-Power-Bank/32623928144.html
Click to expand...
Click to collapse
Except they don't hardly work worth a damn. Almost none of them work with QuickCharge, and none of them work with type C or power delivery.
Absurd? I did some quick googling to try to find the efficiency of a switch mode supply, it definitely isn't 100% so I decided to make it easy for the o.p. and give a 50% example.
Sent from my SM-G935F using Tapatalk
Nitemare3219 said:
Except they don't hardly work worth a damn. Almost none of them work with QuickCharge, and none of them work with type C or power delivery.
Click to expand...
Click to collapse
not sure what device you speak of, but I'm talking about wattage energy monitors and all my watt meters work with me note 7 as they should... qc just means higher voltage and current, nothing fancy, and so it does show 9v @1.8A or so which is what its meant to do anyways.
Cmon people use some common sense.
The battery has a nominal voltage of around 4.4v fully charged. It has a capacity of 3500mAh.
These means a charge current of 3.5A is a charge rate of 1C which is fine. Even a charge rate of 7A would only be 2C.
As for the 9v, I GURANTEE there are some losses. It would have to convert 9v to 3-4.4ishV depending on charge current.
Let's say the battery is low and it's charging @ 3.5v or so as first part of the typical CC / CV charge cycle.
This means a constant current of X with a variable voltage which early on might only be let's say 3.5v on the voltage curve early on.
Watts = Voltage(Current)
18 = 3.5X
X= 18/3.5
X=5.14
So 5.14 Amps @ 3.5v would be going into the battery during this early on fast charge.
With a capacity of a whopping 3.5Ah, a charge current of 5.14Ah means a charge rating of 1.47C
Now remember, there are some losses from the conversion too.
So under 1.47 (probably under 1.3-1.4 with energy losses) C rating seems normal.
Personally, I wouldn't exceed 1C which is why I disable fast charge.
---------- Post added at 02:20 PM ---------- Previous post was at 02:18 PM ----------
Nitemare3219 said:
Yes, it actually is near 100% efficient. You're saying it's only about 50% efficient which is an absurd unsupported statement. My Pixel XL reads 18W~ just like this when it charges from 0% - does that mean it's not charging at 9V/2A? No, it's definitely charging at 9V/2A.
Except they don't hardly work worth a damn. Almost none of them work with QuickCharge, and none of them work with type C or power delivery.
Click to expand...
Click to collapse
Please read my post above. It is NOT charging at 9V. Feeding 9V into a lithium battery would make it explode.
It is being converted using some DC-DC converter so the battery gets fed around 3.something to 4.4v during the CC/CV charge curve.
tonymy01 said:
Absurd? I did some quick googling to try to find the efficiency of a switch mode supply, it definitely isn't 100% so I decided to make it easy for the o.p. and give a 50% example.
Sent from my SM-G935F using Tapatalk
Click to expand...
Click to collapse
It's probably about 95% efficient actually, which is pretty close to 100% in my book.
There's inefficiency in the battery however, since the phone gets warm when charging, right? And warm = energy being dissipated as heat. i.e. you have to put more than 3500 mAh in, in order to fully charge a 3500 mAh battery.
I wondered my self that question and its seems that general consensus over the internet is no, however i made my own research and i saw there are couple of studies and the truth is - YES, fast charging reduce battery life and maximum cycles it can do. Quote "Charging and discharging Li-ion above 1C reduces service life. Use a slower charge and discharge if possible. This rule applies to most batteries."
So you should not use fast charge on a daily basis and only when you need it urgently. I also would not recommend wireless charging too. Use the good old charging cable. Hope this information is helpful.
Sources:
Link
Link
nauvho said:
I wondered my self that question and its seems that general consensus over the internet is no, however i made my own research and i saw there are couple of studies and the truth is - YES, fast charging reduce battery life and maximum cycles it can do. Quote "Charging and discharging Li-ion above 1C reduces service life. Use a slower charge and discharge if possible. This rule applies to most batteries."
So you should not use fast charge on a daily basis and only when you need it urgently. I also would not recommend wireless charging too. Use the good old charging cable. Hope this information is helpful.
Sources:
Link
Link
Click to expand...
Click to collapse
In my opinion of coarse
A cellphone battery is no different than any other battery the slower you charge it the longer it seems to last cycle wize .
Kinda like the deep cycle batteries for marine usage I know lead and lith ion...
But in the automotive world We call a fast charge like this a surface charge.
Which isnt good for long life and or true voltages and or amprages....:crying:
But that aside the extra heat generated by quick charge is in my opin not good either....
Nor the heat from wireless charge.....
others say the heat is negligible vs the shorter time on the charge but again I do not like to quick charge my self as I put it on when I goto bed there is ample time for my device to charge through the night....My battery makes it through the day wonderfully...:good:
I have done a whole lot of battery studies and such and yes it does affect over length of life.
But in the end the battery will fail either way the ions will no longer flow between positive and negative poles and the decay process
started the minute they made the battery
But also you have to decide if you will have the device long enough for it to matter....
As most trade it in for newer or sell online So dont rob yourself of great features either.....:good::good::good:
TheMadScientist said:
In my opinion of coarse
A cellphone battery is no different than any other battery the slower you charge it the longer it seems to last cycle wize .
Kinda like the deep cycle batteries for marine usage I know lead and lith ion...
But in the automotive world We call a fast charge like this a surface charge.
Which isnt good for long life and or true voltages and or amprages....:crying:
But that aside the extra heat generated by quick charge is in my opin not good either....
Nor the heat from wireless charge.....
others say the heat is negligible vs the shorter time on the charge but again I do not like to quick charge my self as I put it on when I goto bed there is ample time for my device to charge through the night....My battery makes it through the day wonderfully...:good:
I have done a whole lot of battery studies and such and yes it does affect over length of life.
But in the end the battery will fail either way the ions will no longer flow between positive and negative poles and the decay process
started the minute they made the battery
But also you have to decide if you will have the device long enough for it to matter....
As most trade it in for newer or sell online So dont rob yourself of great features either.....:good::good::good:
Click to expand...
Click to collapse
Totally agree with you, it really depends on the usage and purposes from the user for the device. In general i don't like non removable batteries but unfortunately there is no flagship phones with removable batteries anymore so sad
I have read an very detailed article on batteries and its seems that slow charging between 20 to 80% can greatly improve the battery life, for example assuming you charge your phone once per day (24h) charging it to 80% instead of 100% can improve the battery life from roughly 2 years to 4-5 years which is dramatic difference. See the chart below.
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Also temperature affect battery life tremendously too, chart below.
By the way, is there any app that can monitor Battery and CPU temp and set alarms similar to GSam battery monitor but with option to record full history and backup data in the cloud? I'm curious to see how will my battery hold and change in a year period for example.
Thanks for the infos guys, can only support your opinion. My HTC 10s battery was reduced in performance greatly after 2 years...i charged it every night with HTCs quick charger. So i killed it myself, i just figured it out too late. Now for my S9+ im using a slower 2A charger and only charge it every second night. Hope that will save me some battery life on the long term. Samsungs charger is my mobile option i keep in my backpack if im on the go.
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Welcome to my Thread, I hope that you will enjoying it and get benefits of it. I believe that there is many users not knowing about The battery killer or To be more realistic "killers". I will provide you an informations that I had collected from science research and sources and give a summary of it.
There Is Med-kit stuff you must follow to avoid bad battery life because:
Unhealthy battery = - performance & - life usage
Healthy battery = + performance & + life usage
So, I will set up to you tips that's makes your Redmi Note 10 battery better.
I can be the science man and explain to you all the tips that I will mention it, but I won't just want to be easy on you and get you on the boat.
NOTE: This thread not tellings you how to optimize your rom for better SOT this about take care of your battery life.
As you know we have non-removable "Li-Po" 5000 mAh battery, We need to:
1- low voltages is recommended for a battery’s lifespan, According to british university research, charging up your phone in that 30% to 80% range keeps the voltage lower and prolongs the battery lifespan.
2- Never play Games or watching videos while charging is bad because they distort charging cycles.
3- Try to not use your device while charging, and if you can turn it off while charging till get charged enough.
4,1- Don't ever makes your device temperature get higher because it's will kill your battery in long term. there is many ways to get your device temperature higher, such as: play while charging, put device on charging in hot place under pillow or whatever and using wrong bad kernel -_-...etc
4,2- It's recommend to take off your device case while charging, that's help to decrease temperature degree.
5- This device is not flagship device or has an expensive CPU & GPU, so stop playing heavy game with 60 frame rate for an hours ! this bad habit and will kills your battery in long term. when you feels your device get hot stop what you doing till temperature get normal.
6- If you are traveling or storing your device charge it to 80% and leave it switched off but not for more than 5~6 months. and for your knowledge you can store your device for 10 years and your battery can works after because the lithium-ion batteries shalf life 10~12 years.
7- Charge your device from to 100% once a month (UPDATE: NO NEED TO CHARGE FROM 0% TO 100 MONTHLY SINCE WE GO LI-PO BATTERY THIS ACTION ONLY FOR Nickel Cadmium batteries).
Now, maybe you asking "Can I get step back to get my bad battery healthy again ?"
Answer : half yes ! You can't restore the water you droped on sand but you can save the rest that left
Glad to see this thread coming up to Sunny device.
7- Charge your device from 0% to 100% once a month
Click to expand...
Click to collapse
You do not need to do this with today's lithium-ion batteries. There is no memory effect.
Suzy Turquoise Blue said:
You do not need to do this with today's lithium-ion batteries. There is no memory effect.
Click to expand...
Click to collapse
After researching, It can be confirmed thanks besides it's Li-po.
"7- Charge your device from to 100% once a month (UPDATE: NO NEED TO CHARGE FROM 0% TO 100 MONTHLY SINCE WE GO LI-PO BATTERY THIS ACTION ONLY FOR Nickel Cadmium batteries)."
Click to expand...
Click to collapse
besides it's Li-po.
Click to expand...
Click to collapse
My mistake. When it comes to battery health they can be treated the same. They are like close brother/sister anyway.
greeet
I would like to disclose that this phone has managed to provide sustainable maximum power managed in case of thermal overload. I am using the Pixel Experience Plus ROM and there is no longer any problem with overheating under load. This was solved at one time by the ROM developer and his associates.