Battery charge too slow - Sprint HTC EVO 4G LTE

Was just curious to know how long it takes you guys to charge your EVOs. I think my phone takes a ridiculous amount of time to charge and the battery seems to discharge at a faster rate than when I first got the phone. I'm am currently charging my phone from a complete drain. It has been 6 hours and it is still only 90% finished. That can't be correct?
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Depending on how many accounts you have and at what frequency they update determines your battery life dramatically even if being charged. I have 8 different accounts which the phone says is high but it still takes around 3 to 4ish hours to fully charge from zip. If you basically put your phone in airplane mode or just turn phone off it'll charge fully in what feels like an hour but really probably an hour and a half or so.
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Use cpu tuner apk u will vharge fast save battery and mobile work fine as well...
Naquib Mirza Sent from my Dell Streak using xda app-developers app

Wow. My phone charges incredibly fast. So fast that I never trust it. It'll go from 20%-80% in 40 min. But the last hump from 99%-100% takes a while.
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I'm honestly not sure what to think. Next time ill try it with the phone off. But as it stands two hours have passed since I made this post but the battery light still isn't green though the battery does appear to be full according to its icon.
Sent from my EVO using xda premium

I'm in the same boat. It takes forever to charge. I remember I could be around 25& on the evo and would charge for probably 25 minutes before work and would be fully charged or almost fully charged.

Mine charges faster than my S2 and that was fast. I went from 45%to 95 in a hr.
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My battery charges way too fast...
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Mine charges from 20%-90% in less than an hour, but from 90%-100% takes almost an hour. I assume its just the way it displays battery% or the amps drop down near the end.
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Related

How long?

If you charge your vibrant from 0% how long does it take to reach 100%. Mine takes well over 4 hours, so just wondering if its just mine.
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im not sure because i have spare battery so i havent really paid attention but id say thats about right.
Hmm... A friend of mine who owns a captivate says that his phone charges within 2 hours. Captivate too has the same 1500mah ago why the different charging times?
Sent from my SGH-T959 using XDA App
wall charger is 2-2.5 hours
Charging off Computer usb 4-4.5 hours the usb puts out less about 200mv so it takes longer
Well it all depends on whether your phone is on and how much you use it while its plugged in.
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oka1 said:
wall charger is 2-2.5 hours
Charging off Computer usb 4-4.5 hours the usb puts out less about 200mv so it takes longer
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Seriously? My wall charger takes 4 hours to reach 100
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carlosmann22 said:
Well it all depends on whether your phone is on and how much you use it while its plugged in.
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I usually plug in the phone and leave it until it charges to 100.
Edit: I use a motorola charger (dunno which phone) and its output is 5v(850ma) and I use a ac to dc converter as we don't have ac plug sockets in here. Does this make any difference?
Sent from my SGH-T959 using XDA App
Battery left widget can tell you exactly how long
My phone takes forever to charge. I have had a MT3G and a Gtab and they both charged within 2 hours or so. The Vibrant takes about 4 hours. Heck, my laptop will charge to full in less than two hours.
~2-3 hours. Though I usually charge it overnight and it's never a problem. Most times at the end of the day its around 80-90%
(I charge it while driving around, used for car profile detection)
4-5 hours to charge completely. Samsung phones are notorious for slow charging.
rakeshchn said:
4-5 hours to charge completely. Samsung phones are notorious for slow charging.
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So its not just mine. I normally charge during day (vacations yippeee) as I've been using my phone extensively and 4 hours during day means I can't take my phone with me when I hang out with friends, even if I do get it out it does out easily (cuz I'm a heavy user).
Sent from my SGH-T959 using XDA App
It's really slow for me too and I have been wondering the same thing.
I think it takes around 3-4 hours to fully charge on a wall charger.
With the phone switched off it charges much faster in around 2 hours I guess.
It takes me 4 hours even if it its switched off..
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I downclock my processor to 400 and about an 2 hours tops. Also screen is off and super power is installed.
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Charging problem while on charger

I just bought this phone and I don't know if its because its brand new or what but it doesn't charge completely.
It will charge up to 100% but then the percentage will decrease and the green light that let's you know its fully charged stays on yet the percentage lowers drastically and this is while its still on the charger plugged in and everything.
Does anyone else have this problem or experienced this?
Sent from my PG86100 using XDA Premium App
That's the circuit kicking in to prevent overcharging of the battery. It's normal.
--Sent from my 3D Shooter --
Will it get better over time because Ive had plenty of android phones and this is the only one that loses its charge while still on the charger.
Sent from my PG86100 using XDA Premium App
Yes it is like this on all EVO 3D as well as the EVO 4G. I'm not sure if it like that with only HTC phones or just the EVO brands.
Take it off once it turns green, it's full. If you leave it plugged in longer it will stop using the charger and use battery till it gets down to like 90% then the charger kicks back on.
Okay it was just a shock to me because I owned the vibrant, incredible, and g2 and the 3vo is the only one thats done this. But if its normal I guess I have nothing to worry about. Althought I still may get a replacement, I just charged it completely and its down to 53% after only 2 hours and 20 minutes and the only thing I've done so far is post this thread on xda haha.
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battery charge stops at 99 percent?

Anyone else experiencing this? I'm charging my phone via wall adapter and that it stays at 99 percent and the led never turns green.
Sent from my EVO using Tapatalk 2
That last percent of charge from 99 to 100 seems to take a lot longer for my phone than any other 1 percent of charge but it eventually does get to 100%.
Ditto, that. The last 1% does seem to take a while.
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A reset helped for me. Just rebooted the phone.
Sent from my EVO using XDA
It's likely calibrating the battery. It should stop after a few power cycles.
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Stv1a said:
Ditto, that. The last 1% does seem to take a while.
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Too bad it doesn't take as long to use up that first 1%. I was hoping to be at 100% for a while when going uplugged.
First time I charged it took a few hours to get to 100%. Since then it doesn't take as long but it's still quite a while. Let it sit, it'll eventually get to 100
i have the same reply as everybody else that last 1% does seem to take significantly longer. not to worry this seems to be the norm

Battery Not Completely Charging

Has anyone had an issue charging their phone to 100%? My phone seems to get stuck at 99%.
I haven't noticed it but in the past with other devices, I could drain all the way down and charge up to full to fix.
Sent from my HTC One using Tapatalk 2
Jonathon1710 said:
Has anyone had an issue charging their phone to 100%? My phone seems to get stuck at 99%.
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Are you using the phone while charging?
Sent from my HTC One using Tapatalk 2
I was at first, but I couldn't get it to fully charge even when it was powered off.
Jonathon1710 said:
I was at first, but I couldn't get it to fully charge even when it was powered off.
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Well it takes a while when at 99%, but don't touch it while it's on and wait for it to top off. It's probably trickle charging at 99%.
Sent from my HTC One using Tapatalk 2
I read here somewhere that from 99% to 100% took about 20-30mins. It could be a firmware thing or they can be doing what Apple is doing so you don't overcharge it.
mr_sock said:
I read here somewhere that from 99% to 100% took about 20-30mins. It could be a firmware thing or they can be doing what Apple is doing so you don't overcharge it.
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It's possible, that's how long it takes for mine.
Sent from my HTC One using Tapatalk 2
I've had my one for three days now and I've charged it twice, the first time it took about three hours to charge and Ya it took a long time for it to go from 99-100 percent the second time it seemed to go quicker...just what I've experienced.
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Mine stops charging at 90%. Its weird.
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It charges and discharges to conserve the life on the battery. If the phone was kept on a 100% charge the whole time then that would decrease the life of your battery drastically.
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I wouldn't worry about it. It's better to keep it at less than 100%. If there was a manual settings threshold, I would keep them as start charging when below 70% and stop at 90%. This is my battery charge threshold setting on my Thinkpad X230T laptop.

Battery Charge/discharge Curve

Folks,
Attached is a graph of my Amaze's battery cycle. The discharge curve is for a normal to heavy use and charging curve. The right side shows charging straight to full using AC wall charger. The battery charges to about 70% pretty quickly, maybe within 1.5 hr but then as you see in the graph it takes another 2 hrs to go to 100%. Is this normal? I have a Galaxy Nexus with same age battery (2 yr old) running cyanogenmod 11, it's battery charges full in less than 2 hr and the charging curve is pretty much steep all the way to full, without slowing down for the last 30%. Any thoughts?
Cheers
https://www.dropbox.com/s/i33pm7c4uv77f2s/Battery Charing Graph.png
Sent from my HTC Amaze 4G using Tapatalk 2
Interesting thing, after waiting to get full charge at 80% if I reboot into recovery, it shows full battery. See the attached screen shot, after rebooting at 80% it has jumped to 100%.
https://www.dropbox.com/s/9cgqhm2bhclucia/Screenshot_2014-02-22-17-27-31.png
Sent from my HTC Amaze 4G using Tapatalk 2
The best way to charge is to pull the battery and then plug in. Test how long it takes to charge from there
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---------- Post added at 01:56 AM ---------- Previous post was at 01:50 AM ----------
chevycowboyusa said:
The best way to charge is to pull the battery, put the battery back in, and then plug in. Test how long it takes to charge from there. You can also wait for the light to turn green. Then unplug for a few seconds, then plug back in and it will charge a little longer.
There's been another thread in this about a year ago..
Sent from my HTC Amaze 4G using XDA Premium 4 mobile app
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Sent from my HTC Amaze 4G using XDA Premium 4 mobile app
Thanks, I presume you suggest charging without turning it on then?.
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Yes, and pulling the battery makes sure it's fully off. Some Roms enable fastboot by default so when you think you shut off your phone it's still on.
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