Has anyone else seen this? From 100 to 90% the power just drops almost instantaneously but after 90% its normal.
Already been brought up, a lot.
Apparently when your phone charges up it stops once it reaches ~100% and begins discharging, even though it is still on the charger. People will turn their phone off after a full charge and charge for an additional 20min to an hour before they get another green LED. People have reported much longer battery life when doing this, but it is a pain in the ass.
Studmf said:
Already been brought up, a lot.
Apparently when your phone charges up it stops once it reaches ~100% and begins discharging, even though it is still on the charger. People will turn their phone off after a full charge and charge for an additional 20min to an hour before they get another green LED. People have reported much longer battery life when doing this, but it is a pain in the ass.
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Ahh interesting. I thought I was running into an old winmo rom flashing issue where if you flashed under 50% battery life you could never charge the device above that point.
Yea it sucks but it works... I just ordered an external battery charger since I have 2 batteries now so I don't have to do this anymore
Sent from my ADR6300 using XDA App
two_cents said:
Yea it sucks but it works... I just ordered an external battery charger since I have 2 batteries now so I don't have to do this anymore
Sent from my ADR6300 using XDA App
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Hmm i tried and it acted the same way.
Apparently the HTC models act like older phones did back in the day. What HTC needs to do is put something on the phone face itself when new that says "CHARGE FOR 4 HOURS BEFORE INITIAL POWER ON FOR MAXIMUM BATTERY LIFE."
Once you do this once you dont have to keep doing it. I also powered on my phone the minute I got it and activated it without charging it first and I was seeing this issue until I did a power off charge. The phone runs from 6am to 11pm without an additional charge cycle in the day and that is a huge improvement for me. I was charging the phone twice to three times daily.
Hello does this method works for x10 to make battery last longer?
Hi *******, I understand your concern regarding battery life on your Nexus One device. The following steps should significantly extend the battery life on your phone. Please connect the phone to the charger with the phone powered on, and allow the phone to charge until the notification LED is green, indicating the device is fully charged. Disconnect the phone from the charger, and power it off. Reconnect the phone to the charger with the phone powered off, and allow the phone to charge until the notification LED is green. Disconnect the phone from the charger and power it on. Once the phone is powered completely on, power it off again and reconnect it to the charger until the notification LED is green. Disconnect the phone, power it on, and use it. You need to use this sequence only once. If the issue of battery life on our phone persists, I recommend you contact our HTC accessory department directly.
I don't think that exact method will work.
It could just be me, but whenever I plug my phone into the charger when it is switched off, it switches on the phone, which doesn't really help when you're trying to charge with the power switched off.
Mine won't charge switched off either, always turns on.
I just run my battery flat a couple of times, seems to help alot.
Sent from my rooted x10i using Tapatalk.
Modern batteries are not supposed to run flat, from what i've been reading. They stay fresh if charged a little and often. I'm not saying anyones wrong, just what i've heard and read.
Sent from my X10i using XDA App
They don't go flat as you'd expect. Lithium has an operating bandwidth. Say 3.5 to 2.9 thats your battery indication from full charge to low battery. Technically the battery is never fully discharged. As someone posted above, a little and often with these new batteries wins the race.
Sent from my X10i using XDA App
I discovered the solution for X10 calibrate. My bat was showing 100% so i pulled ut the charger, turned the device of, took out the battery, put the charger in and finally putting the battery back. When phone was restarted my battery started charging from 88%. hope it works the same for all!
Edit: after led turning off and bat showing 100% i did the whole procedure again, and again it starts charging from 88%!
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I did it three times in a row now with the same result everytime!
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After nearly 1h since stop charging i'm still on 100% after a few texts, checking xda on tapatalk ofc and surfing a few webpages, i was down at 99% but magically it restored itself when leaving it be.
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Tjotte said:
I discovered the solution for X10 calibrate. My bat was showing 100% so i pulled ut the charger, turned the device of, took out the battery, put the charger in and finally putting the battery back. When phone was restarted my battery started charging from 88%. hope it works the same for all!
Edit: after led turning off and bat showing 100% i did the whole procedure again, and again it starts charging from 88%!
Sent from my X10i using XDA App
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Gonna try this myself. I'll report back soon.
Edit-
Mine starts to load at 88% too.
Edit2-
When loading, my Battery Indicator states "overvoltage" and shows 4,21 volts. On my second X10 it's only 3,77 and it doesn't say overvoltage. But when I take it off from the charger the voltage drops to 4 volts and stays at 3,77 on my other X10. Bizarre.
Edit3-
Battery life seems to have improved a lot. With the screen at 100% brightness and the sound on on Gameboid I only lost 1% per 10mins or so. Quite an improvement from losing 3% per 5min.
Tjotte said:
I discovered the solution for X10 calibrate. My bat was showing 100% so i pulled ut the charger, turned the device of, took out the battery, put the charger in and finally putting the battery back. When phone was restarted my battery started charging from 88%. hope it works the same for all!
Edit: after led turning off and bat showing 100% i did the whole procedure again, and again it starts charging from 88%!
Sent from my X10i using XDA App
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thanks for the tip! my guess is that the x10 isnt fully charging the battery?
which is kinda werid because i am using my old X1 batt so it shouldn't be draining
this fast.
ooidort said:
Gonna try this myself. I'll report back soon.
Edit-
Mine starts to load at 88% too.
Edit2-
When loading, my Battery Indicator states "overvoltage" and shows 4,21 volts. On my second X10 it's only 3,77 and it doesn't say overvoltage. But when I take it off from the charger the voltage drops to 4 volts and stays at 3,77 on my other X10. Bizarre.
Edit3-
Battery life seems to have improved a lot. With the screen at 100% brightness and the sound on on Gameboid I only lost 1% per 10mins or so. Quite an improvement from losing 3% per 5min.
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Nice to see there are actually improvements, i had to rush to my buss while still doing the third cycle so i dissconnected at 96% and it then kept ticking up to 100% on it's own. It sounds worrying though that you get an over voltage allert, maby we should not do this to much if it might damage the battery. But a few cycles just to max it out can't harm?! I belive the 88% -> 100% went faster though for each cycle so this might be a sign that the battery is pushing to the limit little by little. I'm gonna go for a few more cycles to see the results of it.
Sent from my X10i using XDA App
Tjotte said:
Nice to see there are actually improvements, i had to rush to my buss while still doing the third cycle so i dissconnected at 96% and it then kept ticking up to 100% on it's own. It sounds worrying though that you get an over voltage allert, maby we should not do this to much if it might damage the battery. But a few cycles just to max it out can't harm?! I belive the 88% -> 100% went faster though for each cycle so this might be a sign that the battery is pushing to the limit little by little. I'm gonna go for a few more cycles to see the results of it.
Sent from my X10i using XDA App
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Yeah, well I had only done two cycles when I noticed the over voltage and stopped there. It seems fine at the moment, temps are normal etc.
I just did one "calibration" again and i actually played around so much with my phone today so when i got home it was on 10%, charged it to 100% and when doin the procedure it reset the battery gauge to 96% rather then the 88% i got earlier.. i wonder if it has any connection to my unplugging the phone at 96% this morning.... hmm, i just don't get this. hehe
Edit: second cycle now and i'm back to charging from 88%.
Thanks for all your constructive ideas. Im also worrying about the battery damage because this is not an official measure. I'll try a few cycles however.
Can you please advise if the coming 2.1 will bring X10 extended battery life?
tried the cycle, first cycle went down to 92%, didnt take long for 100%, second and third she rebooted at 100, sitting at 4.201volts stating overcharge. will update tomorro with a full days use.
I honestly can not tell if my battery has improved from this, but i'm a very inconsistent user
Sent from my X10i using XDA App
i also cannot see a difference yet although i used my x10 an obscene amount today...
Sent from my X10a using XDA App
I haven't tried this calibration by taking out the battery when full and putting it back in thing yet, but I have gotten over voltage condition when recharging anyway. It occurs in the 90% and higher region.
Usually, my voltage reaches 4.21V at 100%.
I have very good battery life for a smartphone; I think mostly due to the R2BA020 update for Canada/Rogers. Also, I turn off APN connection most of the time. I did a couple full discharges early when I got the phone and don't know if that had an impact.
Silly22 said:
I haven't tried this calibration by taking out the battery when full and putting it back in thing yet, but I have gotten over voltage condition when recharging anyway. It occurs in the 90% and higher region.
Usually, my voltage reaches 4.21V at 100%.
I have very good battery life for a smartphone; I think mostly due to the R2BA020 update for Canada/Rogers. Also, I turn off APN connection most of the time. I did a couple full discharges early when I got the phone and don't know if that had an impact.
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So this should meen that the battery is always charging at an overvoltage wich would also meen doing this cycle should not harm the battery more then normal.
Sent from my X10i using XDA App
Working
Tjotte said:
I discovered the solution for X10 calibrate. My bat was showing 100% so i pulled ut the charger, turned the device of, took out the battery, put the charger in and finally putting the battery back. When phone was restarted my battery started charging from 88%. hope it works the same for all!
Edit: after led turning off and bat showing 100% i did the whole procedure again, and again it starts charging from 88%!
Sent from my X10i using XDA App
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Used this did it three times and after the third time on reboot battery on 100% see how long my battery lasts now
Edit-Worked great but then had troubles with ROM so had to reflash. Now when I try this phone just goes into flash mode when USB is plugged in even before the battery. Help?
I'm not sure what just happened but I'm hoping y'all can shed some light on it. I was charging my Evo on Usb pulled it off read 88 percent, not thirty seconds later it died completely. It wasn't even able to power back on. Can any one tell me what happend.
Specs
myns warm 2.2 Rls5
Netarchy 4.31 cfs havs
Sent from my PC36100 using XDA App
battery might be toast.
Spoon201 said:
I'm not sure what just happened but I'm hoping y'all can shed some light on it. I was charging my Evo on Usb pulled it off read 88 percent, not thirty seconds later it died completely. It wasn't even able to power back on. Can any one tell me what happend.
Specs
myns warm 2.2 Rls5
Netarchy 4.31 cfs havs
Sent from my PC36100 using XDA App
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I've never been able to reliably charge my phone through my USB port since Froyo. It will say it's charging but it will actually be DISCHARGING. Creepy right? One time I was talking to someone on the phone while plugged in via USB and my phone; despite the charging LED being GREEN, actually died mid-call and would NOT turn back on for at least 5 minutes until the orange light stopped blinking.
Freeza that sounds almost exactly like what happend to me. I was unaware there was a problem with USB charging since Froyo. This was the first time I had really ever attempted to charge from USB.
Sent from my PC36100 using XDA App
Spoon201 said:
Freeza that sounds almost exactly like what happend to me. I was unaware there was a problem with USB charging since Froyo. This was the first time I had really ever attempted to charge from USB.
Sent from my PC36100 using XDA App
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Well, when I was on Eclair (2.1) that's all I did was charge through USB. For some reason the update to Froyo has pretty much killed USB charging for me through most USB hubs. Plugging it directly into the back of my computer works OK I suppose. Maybe Google changed the current draw from hubs in Froyo or something. Needless to say, all I do now is charge from AC.
USB 2 ports can only give maybe 500ma so if your phone is using more than that it will take the rest from the battery. The wall charger on the other hand give a full Amp, 1000mA.
Looks like my battery on my N7 may be dead already. Seems like 3 times now when it has gotten down to 10% and is on standby for awhile it completely powers down. When i connected the charger the first few times it booted back up and still displayed 10%. Today when i came home it wouldnt boot. I held it down for a minute with no boot. It wasnt until i left it on the charger for a few minutes that it displayed charging. When i booted it, it showed 0% which i thought was odd since it was at 17% last night and hasnt been used since. It displayed a grey screen that was moving fast down the device with a weird noise then shut off. I turned it back on only to have this happen agian and battery still show 0%. I left it on the charger and let it charge a hour while i was at the gym before booting it up again. It booted up and stayed on, but displayed 0% still even after a hour of charging. I unplugged the power and tried refresh on battery monitor thinking maybe it was a bug, but the second i disconnected it, it showed "plug in immediatley" then said shutting down.
TL/DR: Battery displaying 0% even after a hour long charge, disconnecting it turns device off.
Not sure why there's always a drop off st 10%. Maybe battery meter isn't calibrated right?
Sent from my Nexus 7 using xda app-developers app
You're charging with the included charger and not through a PC, right?
Go to recovery/advanced/wipe battery stats. May not work but worth a try.
Sent from my Nexus 7 using xda premium
leelaa said:
Go to recovery/advanced/wipe battery stats. May not work but worth a try.
Sent from my Nexus 7 using xda premium
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Battery stats get wiped every time the battery level reaches 100. So I doubt it will help.
Sent from my Nexus 7 using xda premium
My gf said her N7 showed a 0% charge even though 2 hours earlier she had a 60% charge. She then plugged it in and restarted, then it showed a 60% charge again.
Any ideas what may be wrong?
androidmonkey said:
My gf said her N7 showed a 0% charge even though 2 hours earlier she had a 60% charge. She then plugged it in and restarted, then it showed a 60% charge again.
Any ideas what may be wrong?
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is it rooted? maybe wiping batter stats will fix it.
Its not rooted.
Fufu_the_Great said:
is it rooted? maybe wiping batter stats will fix it.
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Click to collapse
Not likely. Battery stats has absolutely nothing to do with reported charge level. Wiping it will have the same effect as clearing his market search history... None at all.
Sent from my Nexus 7 using Tapatalk 2
Are you using the charger that came with the Nexus 7? 'Cause the same thing happened to me last month. I used a charger I got from ebay, plugged it in, charged all day, came back, unplugged it, turned on & said it was in the red!
Same thing happened to me shortly after I had the N7.... and that was with using the supplied mains charger and cable.
All I did was leave it alone for a further hour and when I then went back to check the screen it had jumped all of 13%.
I was tempted to return the N7 but as it was night and I couldn't return it I left it on charge overnight...... The following morning it was 100% charged.
Since then it's been charged dozen's of times and not once been a problem since (says he touching wood).
My problem is that it wont show that its charging even tho it is. Tried all chargers i have and even the stock one is same. Was going to return it but all the horror stories I've heard i decided not going to bother. Chances are i get a worse unit back. Personally it looks like the connector is not going all the way in. I am going to shave some of the plastic off and see if that helps. Anyway I think Google needs better quality control at Asus and even at Samsung, i remember how my Gnex was packaged.
Sent from my SAMSUNG-SGH-I747 using xda premium
im running aokp JB build 2 and everytime i turn it on, the little battery icon says for example "54%" and on the lock screen it says "100%"
kinda strange. I was about to ask if it was rooted also, but someone did that before me, so im lost for words