Does anyone have a script to modify the phone to "think" it has a 10.000 mAh instead of 3220? It is very, very annoying to have a wrong battery percentage. It is hard to calculate how much juice the battery has. So, if someone could create such thing, I would appreciate it alot and be happy to test it.
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now I know there are many software out there that measures battery life, but non of them works very well on wizard
so Im thinking about making a program that runs on background and quickly drain the battery
we can then time the battery drain and post it on xda developers to compair
this way we can have a good measurement of how healthy the battery really is, and can have a good measurement on how much battery does todays plug-in or oampclock really consume
OR if anyone knows a good way to measure battery life, please tell me.
Hey all,
I am now using the seidio 3000mah battery, and I love it. However, the 'low battery's state of the phone (low brightness, no camera, etc.) Now last for 6 or 7 hours or more with heavy use....no joke. I think its the 15% or lower mark
Is there a way to tell my phone that the battery is not actually low.....
Thanks in advance,
Matt
Not that I know of at this point. I have the 3500mah battery and experience the same nonsense.
Lol. It is doing that because the battery is low. All the battery stats are based strictly off voltage.
4.2 volt is full
4.0 volts is 80 percent
3.8 volts 60 percent
Blah blah....
So by the time your phone shuts the camera down your battey Is actually low, the problem is that your battery has double the capacity so your low time is twice as long.
The easy fix is to flash a rom that has that fixed. The hard part is to find that rom.
The phone is working exactly as designed.
You can try to reset battery stats and relearn. All that does is tie percentages to voltages though. It might help you some.
Sent from my Onyx 4.2 powered Vibrant
I'm going to be a useful XDA Member!
I bought a genuine Galaxy S 4G battery which is rated at 1650mAh. It's Samsung Branded, says 1650mAh and everything!
So I decided to see how much, if any, improvement there actually is. I was doing this for my own purposes, but I decided I'll share results with you guys too! I'm going to drain both the batteries doing the exact same test, and time them! Simple enough, right?
Configuration of the test:
-SRF Frozen 1.1.1 ROM with included Twlight Kernel. Undervolted (Forgot settings, will post when change batteries)
-Display at 100% Brightness
-Bluetooth on
-Wi-Fi Off
-Background Data off
-Auto-sync off
-GPS On
-Streaming THIS youtube video on the desktop site using Dolphin HD with Flash 10.3 plug-in
http://www.youtube.com/watch?v=CsA9PhnYASQ&feature=player_detailpage
I'll update when the battery dies. =D
Update:
So I got my results ready... Took a while but BAM:
1500mAh battery lasted 1 hour and 58 minutes.
1650 mAh battery lasted 2 hours and 16 minutes.
I will have to see how real world use is, but this is pretty encouraging considering I was just trying to kill this battery as fast as possible. I was pretty skeptical about this battery ACTUALLY being 1650mAh, even though it is genuine Samsung, but it is!
So if you guys want better battery life, and no extended back, I'd say spring for a Galaxy S 4G battery.
Yippeeee, I cant wait to see the results, im sooooo exited. I bet the 1650mah lasts just a little bit longer but thats just my wild guess.
Are you calibrating the batteries beforehand? Well running them out calibrate them and make better results in a second round of tests?
Sent from my SPH-D700 using XDA App
Hypnotic2010 said:
Yippeeee, I cant wait to see the results, im sooooo exited. I bet the 1650mah lasts just a little bit longer but thats just my wild guess.
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Pretty ignorant and condescending. =)
The Root said:
Are you calibrating the batteries beforehand? Well running them out calibrate them and make better results in a second round of tests?
Sent from my SPH-D700 using XDA App
Click to expand...
Click to collapse
The 1500 mAh one was calibrated, but the 1650 one was not. If it's really important to you, I can do this tomorrow or another day I have time, I just don't have the patience to stare at my phone anymore, I want to use it. xP
Sprintguy1376 said:
The 1500 mAh one was calibrated, but the 1650 one was not. If it's really important to you, I can do this tomorrow or another day I have time, I just don't have the patience to stare at my phone anymore, I want to use it. xP
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I hear you, but if you want this to be a helpful thread this test needs to be done in a scientific manner. Successful science and patience rarely combine well. Please calibrate both or else it's more apples to oranges than it already will be. Technically, I wish this was a brand new phone with a stock battery being first calibrated and the replacement battery being put through the same circumstances at the same time.
Edit: specifying what the heck i'd want
Seems about right.
118 minutes for the 1500mah
vs
136 minutes for the 1650mah
That is a 15% increase.
The 1650 is 10% bigger than the 1500mah battery at advertised mah ratings. I am guessing you have had your 1500mah battery in use for a few months at least. Lets assume that it has diminished to 90% capacity from the new state of around 97% rated capacity which would be ~4-6 months of use. That means your 1500mah would be 1350mah.
Your 1650 is really 1600mah new most likely (97% rated).
That would make your 1650mah battery's real capacity around 18.5% larger than the 1500mah battery's real capacity, which is right in line with your test of around a 15% improvement.
Not pulling these numbers totally out of my ass BTW. www.batteryboss.org
muyoso said:
Seems about right.
118 minutes for the 1500mah
vs
136 minutes for the 1650mah
That is a 15% increase.
The 1650 is 10% bigger than the 1500mah battery at advertised mah ratings. I am guessing you have had your 1500mah battery in use for a few months at least. Lets assume that it has diminished to 90% capacity from the new state of around 97% rated capacity. That means your 1500mah would be 1350mah.
Your 1650 is really 1600mah new most likely (97% rated).
That would make your 1650mah battery's real capacity around 18.5% larger than the 1500mah battery's real capacity, which is right in line with your test of around a 15% improvement.
Not pulling these numbers totally out of my ass BTW. www.batteryboss.org
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Click to collapse
Yay! Science worked! Now to test 1000 more times to avoid the small sample size argument. No, but really this thread just turned the helpful corner and I'm considering.
Edit: spelling (tori)
Hi guys, I've had a look around and see that 4200mV is what we want on full charge (which I can get fine) but my phone powers off at about 3600mV. It currently on 18% at 3713mV.
What would be the best way to lower this to around 3200mV so I can get more out of my battery? I have seen a new kernel might help, but no sure where to start. I am currently running a NAND instal of americandroid thanks for any help
Anyone? Just tested with a diff battery and re calibrated but still same results
From my experience, I had about 3,5k V for 0%, right now I'm down to 3,1k.
All I did was running larger charge cycles and left it get down to 0% everytime.
I heard over time it gets better, like mine.
I have downloaded battery monitor widget, there it shows me my consumption, mAh and also voltage, with 100% and 0% range.
However, I wouldn't worry about it, the mAh are important, if you are getting 1230. That is the full charge as I know of.
Good luck!
Just search 'battery calibration' on XDA and there should be a thread with all the info on it
Sent from my Cyanogen HD2
I've been looking around eBay and I came across the 3500 mAh battery for the Defy+.
Has anyone tried this, and if so, what are your opinions? 3500 mAh is a massive force of battery life, even though I am sure the parts are not that quality from looking at the 8~10$ average eBay price.
So should I get this battery to serve me as an extra/backup one?
It will be actually much much lower mah then its mentioned for 8$ believe me.
Mavasilisk said:
It will be actually much much lower mah then its mentioned for 8$ believe me.
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I understood that.
Anyway, where I can buy another decent battery for backup? ^^ I love my Defy+ and I'm going to stick to it for a while, better get myself another battery.
TheBirdOfHermes said:
I've been looking around eBay and I came across the 3500 mAh battery for the Defy+.
Has anyone tried this, and if so, what are your opinions? 3500 mAh is a massive force of battery life, even though I am sure the parts are not that quality from looking at the 8~10$ average eBay price.
So should I get this battery to serve me as an extra/backup one?
Click to expand...
Click to collapse
I have one. Not sure about the total mAH but the battery seems at least better than my old stock battery. No one makes a good case for a Defy with the extended battery. I've resorted to running the phone naked. I might get some gaffers tape to add some protection.
Also keep in mind your water resistance goes away with the extended battery. Not a big deal if you are careful. The bigger battery combined with a battery saver to turn off data/wifi when screen is off allows the battery to easily last more than a day.
Edit: I changed back to my old OEM battery. The extra bulk made the phone too annoying to carry. There was extra battery life but the meter did not reflect the upgrade so it was hard to gauge. It's annoying to be running at 0-1% for a few hours because it could die anytime.