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My Droid 2 global's battery life is not good,nearly 1 day for each full charge(i used room fission 2.4.3)Is there any way to improve the battery life
If you're getting a whole day out of one charge that's outstanding battery life.
Sent from my Droid 2 Global running Fission Rom
Too sad to hear that exacly i used about 20 hours.How about you?i heard that if use CDMA the battery life will better?
I've heard something of the like, but nothing conclusively. I've heard that underclocking the cpu can help (if you want to root your phone). So can using a rom like Fission, which doesn't have the stock Blur that, although somewhat nice, is a big drain on batteries. This would naturally be a pretty big change though. You can also get the extended battery for <$50 which I heard helps a bunch.
adridge said:
I've heard something of the like, but nothing conclusively. I've heard that underclocking the cpu can help (if you want to root your phone). So can using a rom like Fission, which doesn't have the stock Blur that, although somewhat nice, is a big drain on batteries. This would naturally be a pretty big change though. You can also get the extended battery for <$50 which I heard helps a bunch.
Click to expand...
Click to collapse
Yep,underclocking the cpu and use room Fission make the battery maintain more longer(i'm using gsm not cdma).In my country (VietNam) someone sells Droid's battery for only 10$,i'm thinking to get one
Just got my D2G, I put it on CDMA only and the battery still sucks. It went from 80% to 40% overnight and it was set for night time battery save mode.
eaglewwit said:
Just got my D2G, I put it on CDMA only and the battery still sucks. It went from 80% to 40% overnight and it was set for night time battery save mode.
Click to expand...
Click to collapse
Wow that's strange, I left my phone overnight not charging because it hit 100% before I went to bed, and 10 hrs later it was still at 90%, sitting idle my phone uses nearly no power. However I never used the battery save mode and I only just recently put it in only CDMA mode just to see if that makes life any better.
I've found that the biggest drain on the battery is having mobile data switched on in an area where the phone can't keep a clear lock on 3G and is constantly switching between 1x and 3G.
After switching to Fission, underclocking, keeping gps and wifi off unless I'm using them, turning the brightness down to 10% except when outside in the sun, and managing apps that sync background data, I can use the phone pretty heavily and get a full day (15-18 hours) out of my battery. Considering I put it in the media dock for use as my alarm clock every night, that amount of battery life is perfectly fine.
BTW, I use SetCPU for underclocking. I set the max speed to 1GHz with On Demand scaling. I also have profiles to scale down the speed to 600MHz when the battery gets low or when the screen is off (which helps with the background data stuff). At 600MHz it's still faster than my original Droid, thanks to the doubling of memory in the D2G.
So far Today after 5 hours of moderate use I went from 100 At 50 on the battery. Is this normal?
Update:
Phone on for 7 hours and the battery is down to 30%, something must be wrong, right?
eaglewwit said:
So far Today after 5 hours of moderate use I went from 100 At 50 on the battery. Is this normal?
Update:
Phone on for 7 hours and the battery is down to 30%, something must be wrong, right?
Click to expand...
Click to collapse
Check what's been using the battery. That might help pinpoint what's going on.
eaglewwit said:
So far Today after 5 hours of moderate use I went from 100 At 50 on the battery. Is this normal?
Update:
Phone on for 7 hours and the battery is down to 30%, something must be wrong, right?
Click to expand...
Click to collapse
I wouldn't call it very unusual TBH
900 am to 900pm and battery down to 30% with moderate usage. I hope there is someway to improve this. My iphone during the same time period with about the same usage and at least an hour playing bejewled only droped to 70%
zse45tgb said:
BTW, I use SetCPU for underclocking. I set the max speed to 1GHz with On Demand scaling. I also have profiles to scale down the speed to 600MHz when the battery gets low or when the screen is off (which helps with the background data stuff). At 600MHz it's still faster than my original Droid, thanks to the doubling of memory in the D2G.
Click to expand...
Click to collapse
zse45tgb,
Does SetCPU only require root and SU?? BTW I used SetCPU on my Eris and it was a lifesaver.
Haven't gone the Fission route just yet but loved ROMs on my Eris, such a battery saver. Really hope the dev's can make it happen.
Don't mean to sound like a twit here, but I used to have a huge problem with the battery life... when I was dicking around with it for hours at a time. Try only using it when you need to. Don't sit on facebook/maps/using it for pointless things for extended periods of time. I have found that just using it moderately has had the most dramatic impact on battery life. I can maintain complete functionality of my phone when I need it, and still have at least 50% battery by midnight. If you are using it that heavily, then maybe you should carry a charger around with you? Hope this helps.
Idk how you guys get such terrible batt life. i have mine OVERclocked to 1.35 ghz. i also have profiles to lower that as the batt goes down. I have everything that updates set to update every 30 mins, which is quite frequent. i dont mess with screen brightness, i let it auto adjust. I play games on occasion (SNESoid), facebook frequently, alot of texting and my battery lasts 18-20 hours every day, consistently. When you first got the phone you let it charge for 8 hours right away right? if not...theres your problem, and your battery will probably self destruct in a few months...give or take a few months lol.
Use The Following Settings to Help Maxmize Your Battery Life
I've been using the following settings on the Fission 2.4.3 Rom and I've noticed my battery life has increased at least 6-8 hours longer. I was considering returning my D2G before, but now it is definitely manageable.
Installing the SIM Card HotFix using the Fission Rom Manager
Adjusting my mobile networks to "CDMA / EvDo auto" in "Settings" -> "Wireless Networks" -> "Mobile Networks" -> "Network Mode"
Underclocking my CPU to 1Ghz using SetCpu
If you really want to save some more power combine these settings with Juice Defender. I've noticed a bit of lag here and there while using it, but that's the trade off for longer battery life.
I can confirm zse45tgb post about losing a lot of battery in an areas with poor 3g reception. When I'm at work my battery will drop much faster then when I'm at home where my 3g reception is great.
Props to AngDroid and the rest of Team Defuse.
Hope this helps someone else out there begin to enjoy their D2G.
botnryan said:
Idk how you guys get such terrible batt life. i have mine OVERclocked to 1.35 ghz. i also have profiles to lower that as the batt goes down. I have everything that updates set to update every 30 mins, which is quite frequent. i dont mess with screen brightness, i let it auto adjust. I play games on occasion (SNESoid), facebook frequently, alot of texting and my battery lasts 18-20 hours every day, consistently. When you first got the phone you let it charge for 8 hours right away right? if not...theres your problem, and your battery will probably self destruct in a few months...give or take a few months lol.
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Click to collapse
these are li polymer batterys...not nicad. lol. so they dont need "warming" up the first time... the first charge is the same as the rest. it should be charged in around 90mins tops. a li-pol battery isnt able to accept a trickle charge (would damage it) so leaving it on past 100% is uneccessary and potentially damaging. i wouldnt recommend ever leaving your battery on for 8hrs. as soon as its charged unplug it. if you leave it connected then the charger will switch off, you will then be using the battery, the battery will eventually drop to 90% and then the charger will turn back on. youll be continuously topping the battery from 90 up to 100 and back again. a waste of electricity and im sure it wont do the battery or charger any good.
theres also no need to fully discharge the battery.
a quote from http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
"Preparing new lithium-ion for use
Unlike nickel and lead-based batteries, a new lithium-ion pack does not need cycling through charging and discharging. Priming will make little difference because the maximum capacity of lithium-ion is available right from the beginning. Neither does a full discharge improve the capacity of a faded pack. However, a full discharge/charge will reset the digital circuit of a 'smart' battery to improve the state-of-charge estimation"
ckfalls said:
zse45tgb,
Does SetCPU only require root and SU??
Click to expand...
Click to collapse
Yes, that's all. You can use it on the stock Moto rom.
anothadave said:
these are li polymer batterys...not nicad. lol. so they dont need "warming" up the first time... the first charge is the same as the rest. it should be charged in around 90mins tops. a li-pol battery isnt able to accept a trickle charge (would damage it) so leaving it on past 100% is uneccessary and potentially damaging. i wouldnt recommend ever leaving your battery on for 8hrs. as soon as its charged unplug it. if you leave it connected then the charger will switch off, you will then be using the battery, the battery will eventually drop to 90% and then the charger will turn back on. youll be continuously topping the battery from 90 up to 100 and back again. a waste of electricity and im sure it wont do the battery or charger any good.
theres also no need to fully discharge the battery.
a quote from http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
"Preparing new lithium-ion for use
Unlike nickel and lead-based batteries, a new lithium-ion pack does not need cycling through charging and discharging. Priming will make little difference because the maximum capacity of lithium-ion is available right from the beginning. Neither does a full discharge improve the capacity of a faded pack. However, a full discharge/charge will reset the digital circuit of a 'smart' battery to improve the state-of-charge estimation"
Click to expand...
Click to collapse
well thats certainly odd since i bought 2 OEM replacement batteries and used one out of the box til it died without charging it and it now wont hold a charge. Just coincidence that the one i did that to was a lemon?
Extended Battery Comments
adridge said:
You can also get the extended battery for <$50 which I heard helps a bunch.
Click to expand...
Click to collapse
I purchased the BP7X extended battery from a local Verizon store for $37 with corporate discount. It makes a HUGE difference. With corporate e-mail, two POP accounts at 30-minute intervals, and about 2 hours of music playing, I had 40% left after 12 hours yesterday. I know some people want to see more than that left, but coming from a number of -gasp- Windows Mobile devices, this is pretty much what I'm used to.
T BP7X is 1820/1860mAh, vs. the stock BP6X at 1390/1420mAh. I've seen other batteries listed with as much as 3500mAh. I would think such a battery would get one throught the day with very heavy usage, but I don't want to think how large that battery door would have to be!
The first post at this link shows a comparion of a D2 with the normal battery door and the Moto/VZW extended door. As somebody posted somewhere, the extended door actually makes the device "feel" better in the hand.
https://supportforums.motorola.com/message/224663
i heard from my friend that HTC need to do battery calibration. is it true??
Don't think so. Another phone had a "calibration" routine but I haven't heard anything on this one. I tried the calibration routine from the other phone on mine and noticed no difference.
I really have a sucky battery life on htc sensation. I am trying to figure it out how I could get it to last for more than 12hours with average use...
I bought a replacement battery. http://www.amazon.com/gp/product/B0055QKZBS
While a lith-ion battery doesn't learn or have a memory, the battery does have a chip in it that needs to be calibrated. You'll need to cycle your battery from fully charged to fully discharged 3 to 5 times to calibrate this circuit. Normally a LI battery doesn't like to be fully discharged, so try to avoid doing this in everyday use. Better to give it maintenence charges. And heat is a big enemy of these batteries as well.
And seems to me 12 hours is pretty good battery life for a smart phone.
ickster said:
While a lith-ion battery doesn't learn or have a memory, the battery does have a chip in it that needs to be calibrated. You'll need to cycle your battery from fully charged to fully discharged 3 to 5 times to calibrate this circuit. Normally a LI battery doesn't like to be fully discharged, so try to avoid doing this in everyday use. Better to give it maintenence charges. And heat is a big enemy of these batteries as well.
And seems to me 12 hours is pretty good battery life for a smart phone.
Click to expand...
Click to collapse
+1, very well put.
2 points.
1. There are also battery stats on the phone, which need to be built by full charge/discharge cycle.
2. Discharge phone till it's dead with no fear, battery controller shuts it down when there is some juice left. It's like reserve in your tank, it shows you have petrol for 0 miles/kilometers, but in reality there is another 5 litres sitting in the tank.
I worked in the cell phone industry for a long time. The best thing i have seen for a full charge is to regulaurly do a full charge and than turnphone off and plug back in until indicator shows full again(if it shows full already charge for half to full hour). I have always seen better results. Also if rooted wipe battery stats in advanced before flashing any radio or rom.
Sent from my HTC Vision using XDA App
dunes20 said:
I worked in the cell phone industry for a long time. The best thing i have seen for a full charge is to regulaurly do a full charge and than turnphone off and plug back in until indicator shows full again(if it shows full already charge for half to full hour). I have always seen better results. Also if rooted wipe battery stats in advanced before flashing any radio or rom.
Sent from my HTC Vision using XDA App
Click to expand...
Click to collapse
This may easily be true. I think I read that the battery doesn't actually like being fully charged and that most chargers shut down early because of this. Maybe your tip has something to do with that. I don't know myself how that will correllate w/ calibrating the charge circuit that I spoke of.
Google is definately your friend here.
wrek said:
I bought a replacement battery. http://www.amazon.com/gp/product/B0055QKZBS
Click to expand...
Click to collapse
That's a very intersting battery you got here. It has bigger capacity than the original one. Does it have the same size? Were you able to fit it in and put the original cover back? Have you noticed a noticeable improvement in battery life or is it just scam?
I don't have the tmo 4g, I have the european version, but I believe it should work too, shouldn't it?
Out of the box.... Use it till it dies completely. Charge it 100% without interruption.
I've ALWAYS had great battery life on all my devices using that method.
Do that a few times a month when it's convenient....you'll have a happy battery.
Battery and DRIVER need to be conditioned/calibrated.
I get 12-16 hours with fairly heavy use. If you want more, ya need to wait for different battery tech OR get a dumb phone.
Asking for more than 12 or so hours is just silly with a device this powerful and a display this large. I'm not someone who likes to cut the balls off my superphone to save a few hours on battery life. I'd rather get 12 hours and use this phone the way it was intended too, than get 24 hours and have silly progs like Juice Defender running. Unless you know you're gonna be lost in a forest for a few days, don't most people have access to a charger sometime during their day
eadred said:
I really have a sucky battery life on htc sensation. I am trying to figure it out how I could get it to last for more than 12hours with average use...
Click to expand...
Click to collapse
Disabling the HTC Hub sync helped mine a lot.
My phone has been unplugged for 10 hours, I have 1h 17 minutes of display on time, taking 67% of battery. The rest is spread between Cell standby 11%, Wi-Fi 11%, Phone Idle 8% and Maps 3%.
It is now standing at 29% battery. I find that awful and can't believe any of you say it is normal. I have disabled HTC Hub and Sense sync and all the settings are pretty much the same as on my Galaxy S2.
On the SGS2 I manage to easily get 3 to 4 hours of screen time before the battery goes down to the thirties/twenties and a lot more heavy usage than I've managed on the Sensation. I'm on my second battery cycle and I really hope it improves because I'm very underwhelmed so far.
eadred said:
That's a very intersting battery you got here. It has bigger capacity than the original one. Does it have the same size? Were you able to fit it in and put the original cover back? Have you noticed a noticeable improvement in battery life or is it just scam?
I don't have the tmo 4g, I have the european version, but I believe it should work too, shouldn't it?
Click to expand...
Click to collapse
I found an even larger battery:
http://uk-batteries-galore.co.uk/HTC/32640-Sensation.html
I might wanna give this one a shot, but I am a bit afraid putting battery not manufactured by htc in my phone.
Guys if bothered to look in the Accessories thread, you'd see that there is 1900 battery which some people already have and are very impressed with it.
Sent from my HTC Sensation Z710e using XDA App
HTC QUOTE
Charging the battery
The battery is partially charged when shipped. Before you turn on and start using HTC Sensation, it is recommended that you charge the battery. Some batteries perform best after several full charge/discharge cycles.
I spoke to a HTC REP once regarding batt life on my DHD
He advised a calibration as follows for HTC phones
Make sure fastboot is off.
1. when your battery is low, do a full charge for about 8 hours, your light should now be green. once its full, disconnected the phone
2. Fully switch off the phone(pull battery out if needed then put in). and plug in charger again for an hour, the light will actually be orange even though it was green before you turned it off.
and your screen should load the charging icon for when its turned off.
3.once it is green, turn on the phone. (put in pins or passwords etc) leave the phone on for a minute, then fully turn off again.
4. charge again for an hour and your charging indicator should be green and your battery is calibrated.!
Spybreak said:
My phone has been unplugged for 10 hours, I have 1h 17 minutes of display on time, taking 67% of battery. The rest is spread between Cell standby 11%, Wi-Fi 11%, Phone Idle 8% and Maps 3%.
It is now standing at 29% battery. I find that awful and can't believe any of you say it is normal. I have disabled HTC Hub and Sense sync and all the settings are pretty much the same as on my Galaxy S2.
On the SGS2 I manage to easily get 3 to 4 hours of screen time before the battery goes down to the thirties/twenties and a lot more heavy usage than I've managed on the Sensation. I'm on my second battery cycle and I really hope it improves because I'm very underwhelmed so far.
Click to expand...
Click to collapse
With all due respect....how is that awful?? It's fantastic....
I think you're too caught up in the percentage number the stats page shows for battery use. It doesn't matter one bit if that graffic shows the display at 99.99%. As long as you're getting a full day out of your Sensation....isn't that all that really matters? Or am I confused by what bothers you?? Sounds to me like you're getting a full day...unless you don't sleep??
You've been unplugged for 10 hours and it seems as if you have another 2-4 hours left with that 30%.... Whats wrong with that? It's great.
This is not a Nokia 6133 It's a dual-core superphone, with a 4.3" qHD display.
Of course by the nature of the tech, amoled will be more efficient with regards to display...but as far as I can tell, the GS2 doesn't last any longer than this phone on a regular day to day basis under normal to heavy use.
I get 12-16 hours on a charge with fairly heavy use. Sync, WiFi, Calls, Web, GPS...nothing disabled or throttled.
I wouldn't get caught up with that % number in the battery stats....it's misleading....big time.
Condition the battery properly....you'll never have any battery issues...unless it's faulty.
Also people just need to be realistic with regards to battery life.... A gallon of gasoline will get you much further in a VW Bug than a Bugatti....
lunze86 said:
i heard from my friend that HTC need to do battery calibration. is it true??
Click to expand...
Click to collapse
There is an app to calibrate your battery, but you need to be rooted. Go to www.teamroyal.net and there is instructions that you MUST follow. Read up on it now so you can be prepared for when we get root. You also ONLY want to calibrate your battery once every 4-6 weeks, and only if it needs it. Doing it too often can fry your battery.
I know this doesn't directly answer your question, but I hope it will help many once we get root.
Sent from my HTC Sensation 4G using XDA App
ikhzter said:
HTC QUOTE
Charging the battery
The battery is partially charged when shipped. Before you turn on and start using HTC Sensation, it is recommended that you charge the battery. Some batteries perform best after several full charge/discharge cycles.
I spoke to a HTC REP once regarding batt life on my DHD
He advised a calibration as follows for HTC phones
Make sure fastboot is off.
1. when your battery is low, do a full charge for about 8 hours, your light should now be green. once its full, disconnected the phone
2. Fully switch off the phone(pull battery out if needed then put in). and plug in charger again for an hour, the light will actually be orange even though it was green before you turned it off.
and your screen should load the charging icon for when its turned off.
3.once it is green, turn on the phone. (put in pins or passwords etc) leave the phone on for a minute, then fully turn off again.
4. charge again for an hour and your charging indicator should be green and your battery is calibrated.!
Click to expand...
Click to collapse
for step 1 is it after 8 hours i disconnect the phone even though it will be green light earlier???
Hi folks - this is the first thread I have started, hence requesting the non-noobs to go easy on me... (this forum is a scary-kind-of-cool)
I mustered up the courage to install Infused 1.5.0 on my stock... the instructions were superb and everything went great... really enjoying the improved speed and looks. But my battery life has degraded. It has been more than a week since I flashed my phone - and it is only getting worse. Now I have read a lot about how Infused is getting great battery life for some folks... and i have gone through those threads, trying to figure out what I am doing wrong. This is my typical usage profile
1) I put the phone on charging before I go to sleep... when I wake up (around 7 AM) it is fully charged.
2) I quickly check overnight messages, finish the daily ablutions, and 30 min later when I check the phone it is already at 95%.
3) By 10 AM, I have made a few long phone calls (no bluetooth) (totalling 60-90 minutes) - and the battery is down to 75%
4) At work I use a bluetooth A2DP headset - maybe 30-40 min of calls and by 12 I am at 50%.
5) More calls in the afternoon, intermitted mail checking and sometimes 30-40 minutes of music streaming on my bluetooth headset - and by 6 PM my phone is down to critical level 12-15%.
This is in now way the same experience that others are having with the Infused ROM and with the Infuse phone in general.
Other points:
6) I run Juice Defender... (don't know if it helps)
7) My screen brightness is just a few notches over 0%
8) My data is always on - except when I am using Wifi of course
9) I turn bluetooth off when I am not using it
So that's the story guys... and I would eternally grateful if the awesome folks out here can help me figure out what I am doing wrong... or there is some logic behind the sad battery life of what is otherwise the best phone that I have ever owned.
It depends how long Infused has been running on your system. After about 3 days I noticed my phone was adjusting to the ROM and the battery life improved significantly. Aside from that, try this trick. Drain your battery next to nothing and then charge all the way. Do this a couple of times. Not quite sure about the logistics but it seems to work. Another thing that has improved my battery life is to make sure I don't have background apps running. You can check this by going into apps > manage apps > and then running. Sometimes Media Hub will begin a background process and that eats up a whopping 8 MBs alone. Force close these pointless background apps and you should see an improvement there as well.
have you conditioned the battery and reset battery stats?
popesmasseuse said:
It depends how long Infused has been running on your system. After about 3 days I noticed my phone was adjusting to the ROM and the battery life improved significantly. Aside from that, try this trick. Drain your battery next to nothing and then charge all the way. Do this a couple of times. Not quite sure about the logistics but it seems to work. Another thing that has improved my battery life is to make sure I don't have background apps running. You can check this by going into apps > manage apps > and then running. Sometimes Media Hub will begin a background process and that eats up a whopping 8 MBs alone. Force close these pointless background apps and you should see an improvement there as well.
Click to expand...
Click to collapse
Thanks popesmasseuse (you really aren't are you?)... the ROM has been running now for a week... gets worse rather than better. I do typically wait for my battery to drain completely before I charge it... but when I do have to do it at 7 PM - then I can never charge it fully, before I have to start using it again. I wonder if the fact that my phone goes through "micro charges" is a reason for my declining battery life...
Will check the running apps... and see if closing them improves things... thanks!
Fact: Installing a ROM greatly improves battery life... Try it....
Turn of GPS and Bluetooth when not in use.
Same here I uninstalled media hub... period... just useless...
Phone calls are a pretty heavy battery drain. Sounds like you're in call for hours each day. Most people don't talk on the phone more than a few minutes a day. Poor signal will also significantly reduce your battery life... how many bars you usually have at work?
My battery life got better the longer I had the infused ROM. But personally I only talk on the phone maybe a total of an hour each day, but I am constantly using internet and youtube, and if I have spare time I'm using my Kindle app to read some books. I keep my GPS, sync, and wifi on all day long and my brightness all the way up (I just can't stand a dim screen lol) and by the time I got home today my battery was at 40%, which I am perfectly fine with.
gtg465x said:
Phone calls are a pretty heavy battery drain. Sounds like you're in call for hours each day. Most people don't talk on the phone more than a few minutes a day. Poor signal will also significantly reduce your battery life... how many bars you usually have at work?
Click to expand...
Click to collapse
Ah...the man himself.
Yes I talk a lot on the phone - nature of the job. 3 hours minimum in a day. Signal at home is terrible - 15% strength... that could be the reason why the battery runs dry after the morning routine. Any way to offset that?
At work signal is great. But in office I also tend to use my desk phone more...
hydrogenman said:
have you conditioned the battery and reset battery stats?
Click to expand...
Click to collapse
Err... no... Noob alert!!!
How does one do that?
http://forum.xda-developers.com/showpost.php?p=14912331&postcount=7
Read this post in another battery thread I am doing this right now to see how it performs afterwards.
Read the thread in my sig.
Never use task killers.
For me, battery life on phones gets good after about 2 weeks or so.
With light to medium use I can easily go for 2+ days.
Consider not streaming music through Bluetooth. Also don't auto sync stuff every 15 mins. If you can use Gmail they use Push notification. I'm on my phone all day literally and I make it home with some battery left. BTW connect to a Wi-Fi when ever possible, 3g data streaming will kill your battery quick.
Sent from my SAMSUNG-SGH-I997 using XDA Premium App
Blackberrynomore said:
http://forum.xda-developers.com/showpost.php?p=14912331&postcount=7
Read this post in another battery thread I am doing this right now to see how it performs afterwards.
Click to expand...
Click to collapse
has anyone tried this method?
It's a Lithium-Ion battery which means it does NOT respond to "conditioning".
"Reconditioning a battery involves completely discharging the energy from a battery then recharging the
battery. Li-Ion batteries do not require reconditioning to maintain good battery performance since Li-Ion
does not have a memory effect. It is necessary to complete drain and then recharge a Li-Ion battery in
order to determine its current capacity level, but that is not the same thing as reconditioning the battery. Li-
Ion batteries do not have a condition that needs to be reconditioned." lxe.com
andrawer said:
It's a Lithium-Ion battery which means it does NOT respond to "conditioning".
"Reconditioning a battery involves completely discharging the energy from a battery then recharging the
battery. Li-Ion batteries do not require reconditioning to maintain good battery performance since Li-Ion
does not have a memory effect. It is necessary to complete drain and then recharge a Li-Ion battery in
order to determine its current capacity level, but that is not the same thing as reconditioning the battery. Li-
Ion batteries do not have a condition that needs to be reconditioned." lxe.com
Click to expand...
Click to collapse
Keiht's tutorial is effectively a technique called "bump charging" for putting that last extra percent or two of charge into a battery. However - with Li-Ion batteries, charging like this will SEVERELY reduce their charge cycle lifetime.
The only thing that "calibration" should affect is how your device reports battery charge level, NOT actual power usage. You should get the same total battery life whether your device is "calibrated" or not, with the exception possibly of the device shutting off prematurely because it thinks the battery is lower than it really is.
Entropy512 said:
Keiht's tutorial is effectively a technique called "bump charging" for putting that last extra percent or two of charge into a battery. However - with Li-Ion batteries, charging like this will SEVERELY reduce their charge cycle lifetime.
The only thing that "calibration" should affect is how your device reports battery charge level, NOT actual power usage. You should get the same total battery life whether your device is "calibrated" or not, with the exception possibly of the device shutting off prematurely because it thinks the battery is lower than it really is.
Click to expand...
Click to collapse
I would have to agree with you. I followed his directions as i was having horrible battery issues after going to 1.5.0 and it seems to have helped the reporting as far as I can tell. I think the big problem and it is only a guess is how the phone is reporting the battery condition not actual battery left. In any event I am running JD and the longer I run with 1.5.0 the battery seems to be lasting a lot longer but I have ti disable most everything which hobbles the phones best features to get that battery life still searching for the perfect solution.
Well now we are all S-OFF and running custom rom's/kernels, was just wondering what drain people are seeing on battery under normal usage?
I'm getting 228mAh overclocked to 1.728Ghz with on demand with Leedroid 1.1 (kernel 1.2).
About 4 times as much as my old HD2 used to drain!
Kind of mental battery usage really. And not too impressed, it doesn't seem to be any different with or without background data usage.
Not sure I can be happy with this device the way it stands!
Getting about a days battery life and that's coaxing it through the day. God forbid I actually use it!! Done all the calibration and followed all the guides, still terrible battery life. Battery technology is shocking. Think I'd need a 10,000mAH battery to have any reasonable sort of battery life.
So what's other people's opinion??
its all about the setup man. takes time to find the settings right for what u use the phone for, and every phone is different. moderate use i can get 10 hours on android revolution 1.1.5. give it a few solid charges (all the way dead until you cant even get the phones screen to power on and then charge until the green light is on for over an hour) and then wipe battery stats when its at 100%.
If your that unhappy with it and nothings working call up your carrier they'll replace it for you, I did that with my G1
I feel the same way. I love this phone, but what's it good for when you can't use it. I find the battery levels to be a bit unusual. It could stay in 100% for a good two hours, and then it would drop to 90% in 10 minutes. And it just goes downhill from that on. I did battery calibration and cycling , but still the same result. I find myself avoid using the phone. I just ordered higher capacity battery. Hopefully, I have better luck with that one.
Sent from my HTC Sensation Z710e using XDA App
Moderate use (aka no gaming just emails, xda forum app 15mins, music 30mins, video 15mins and occassional internet), I've been able to last the work day til I get home. I usually still have range from 25% to 50% battery when I get home.
When I do any gaming app, it won't last me the day.
I end up having to charge the battery every night for the next day's use.
I carry the usb charger for wkend usage. I can almost always find somewhere to plug the usb in for charge (car, laptop, etc).
I love this phone and it's QHD screen. The display eats up a lot of battery though. I've calibrated my display lighting to 33% brightness (it's still looks great) as default to conserve on battery but will boost it to 100% when I'm plugged in.
Durability of a cell phone battery can easily be understood by just check a parameter........ mAh. You will find it on the battery level- such as 1000 mAh, 1200 mAh, 1500 mAh, 2100 mAh. The larger the rating, the longer is the battery life. Just check it on your cell phone battery.
Note- While buying a new battery for your old cell phone then you must check this unit to have long lasting/durable service.
If you have 2G, no Wifi, low brightness could also make your battery life last longer ^^
Calibrating the battery after flashing new roms will typically increase the battery life if you are experiencing issues. It simply removes the old battery stats to make the stats pertinent to your given rom.
Sent from my MB860 using xda app-developers app
Buy an old nokia that is hard like a brick
no gadgets and stuff
the battarey can hold for the whole week maybe more!
Battery drain..
stavgayer said:
Buy an old nokia that is hard like a brick
no gadgets and stuff
the battarey can hold for the whole week maybe more!
Click to expand...
Click to collapse
Try to don"t use your phone:silly:....or use juice defender....it works fine for me..
Irronically I have noticed certain battery aid apps actually killing my battery more, but simply avoid auto brightness and adjust it accordingly when inside or out, turn off wifi, bluetooth, and maybe some of your sync options, depending on your type of screen avoid using backgrounds with certain colors... ex Amoled's emeny is white as is most screens, if possible change the backgrounds in certain used apps to black such as messaging.
yes proper callibration is basic step/
Then use 2g network if 3g use is not much.....but if you have to do it as 3g, not as auto...coz it chews up more battery
Then diable wifi and bluetooth when not in use
avoid live wallpapers
You can use the slick power saving feature option by enabling it......
Decrease the brighness of screen as much as possible
screen lockout time to minimum pratical
stavgayer said:
Buy an old nokia that is hard like a brick
no gadgets and stuff
the battarey can hold for the whole week maybe more!
Click to expand...
Click to collapse
Im selling my nokia 1616 :silly:
annyprinces said:
Durability of a cell phone battery can easily be understood by just check a parameter........ mAh. You will find it on the battery level- such as 1000 mAh, 1200 mAh, 1500 mAh, 2100 mAh. The larger the rating, the longer is the battery life. Just check it on your cell phone battery.
Note- While buying a new battery for your old cell phone then you must check this unit to have long lasting/durable service.
Click to expand...
Click to collapse
The mAh value isn't anywhere near as important as the way you use your phone. Theoretically my HD2 with a 1230 mAh battery could last a good week and a bit in airplane mode with no usage whatsoever, but that's a completely unrealistic scenario. I can always get a full day of usage out of it, and really I've never needed more. All I do to limit battery drain is use a custom ROM, JuiceDefender and SetCPU, and I get a 5mA drain on standby with WiFi on. To put that in perspective, my Mum's Desire S on a stock ROM gets 26mA drain in Airplane mode. Despite having a 1600 mAh battery (I think) the battery doesn't last much longer than mine, and even then it's only because she never uses her phone.
Slade Wilson said:
If you have 2G, no Wifi, low brightness could also make your battery life last longer ^^
Click to expand...
Click to collapse
+1
stavgayer said:
Buy an old nokia that is hard like a brick
no gadgets and stuff
the battarey can hold for the whole week maybe more!
Click to expand...
Click to collapse
Yeah
Yes, use only 2g, low brightness, no animations, and most important, calibrating.
but with a good rom, what isnt the stock, u can use a batterysaver kernel governor, like savagedzen
If, after rooting or more likely that case after flashing a new rom, you often have battery reporting errors, and re-calibrating the battery along with some steps I will outline for you below will ensure that your battery is getting a full charge, and the battery reporting accuracy is right on. As far as power cycling, I don't know that it does much good. I run my device in performance mode all the time, and with a CPU overclock of 1.25GHz and various tweaks, I have about a day an a half to a day and a quarter of full runtime from my battery. This is with moderate to heavy usage (calls, emailing, text, gaming, web browsing, etc.) so you should have no problems getting acceptable battery performance after following these steps:
1. Take the case off your device (one of the latter steps involves taking the battery out from the phone while it's plugged in. Make sure your case won't stand in the way.)
2. Install Battery Calibration app from the market
3. Plug in your device to charge while it's on, wait till it gets to a 100%
4. When the charge is 100%, open the BatteryCalibration app and lookup what the charge is in MV while at 100%. Write it down.
My Atrix 2 was showing ~3400MV while at 100%, which is definitely not the maximum capacity.
5. Discharge your device completely until it shuts off.
A good way of doing this quickly is by turning on wifi, and a video player.
6. Without turning on the phone plug it into a wall charger and let it get to 100%
7. When it's at 100%, without unplugging it from the wall charger, take off the battery cover, and take the battery out.
Your phone will "reboot" and show a Missing Battery icon.
8. Without unplugging the phone from the wall charger or turning it on, put the battery back in and wait until the phone recognizes the battery.
9. Your battery should now be recognized by the phone, and showing a charge % significantly lower than 100%.
Mine showed only 5%.
10. Let it sit there charging for 2-3 hours (or more).
My phone wouldn't charge past 10%, but yours might. The numbers don't matter much as the phone is definitely getting additional charge that could have been lost while flashing ROMs, etc.
11. After 2-3 hours (or more), turn the phone on while holding the volume down button and get into CWM.
Do not disconnect it from the charger still!
12. Wipe battery stats in CWM, reboot.
Do not disconnect it from the charger still!
13. When the phone turns on, go into Battery Calibration app again and look up your MV numbers -if you were like me, they should be significantly higher than before. After this whole process I had 4351MV at 100%, comparing to 3400MV before calibration.
Do not disconnect it from the charger still!
14. Before going to sleep - Install Watchdog Task Manager Lite from the market. Go into it's preferences, set CPU threshhold to 20%, check "Include phone processes", check "Monitor phone processes", check "Display all phone processes", set system CPU threshhold to 20% as well.
Do not disconnect it from the charger still!
15. Make sure your wifi and data connections are off. Now finally unplug the phone from the charger.
Go to bed, let your phone sleep too.
16. Success! Next morning check where your battery % is at and if you followed the instructions correctly / got lucky like me, your battery life should be 90% or more.
I went to bed with 98% and woke up to 94%. So, I consider this mission a success.
Sent from my SAMSUNG-SGH-I747 using xda premium
That seems like way too much work for me lol.
Sent from my SPH-L710 using xda app-developers app