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THE EXPERIMENT: I plugged in my phone last night and woke up this morning to a green LED. I turned my phone completely off and plugged it again. Alas, a red LED which did not turn green for another 20 mins. I then unplugged my phone and plugged it back in again; RED LED for another 20 mins! I did the same thing over, in total of 3 times.
RESULT: My battery right now is showing 98% after being off the charger for nearly 2 hours. It used to go to 90% in 10 mins!
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Here's my theory of what we are seeing:
The phone is ON and plugged in to charge overnight. The battery reaches "full capacity" sometime during the night, hours before we wake up and unplug it. The charger is programmed to STOP charging after "full power" is reached, so as not to damage the battery by overcharging.
Since the phone is still ON and not charging, the battery starts to deplete, but still shows "full power" because it is plugged in. Once it is unplugged, it drops very fast because it was actually NOT at "full power", but something lower.
Now when we plug it back in until it reaches "full power" again, we immediately unplug it and it actually is still at "full power".
This theory could be tested by turning the phone OFF while charging it overnight. If correct, it should not exhibit the same rapid drop off form 100-90% as if it were turned ON overnight.
I, like many, suffer from battery depression. I've been scouring the forums and grasping at straws to figure out how I can improve battery life without cutting out features. I also ordered a new TP2 battery that should be here in a couple days. But today I decided to try something....
THE EXPERIMENT: I plugged in my phone last night and woke up this morning to a green LED. I turned my phone completely off and plugged it again. Alas, a red LED which did not turn green for another 20 mins. I then unplugged my phone and plugged it back in again; RED LED for another 20 mins! I did the same thing over, in total of 3 times.
RESULT: My battery right now is showing 98% after being off the charger for nearly 2 hours. It used to go to 90% in 10 mins!
Am I on to something here? I think this is more proof that the battery isn't being charged all the way, perhaps maybe only 70% of it's capacity on the initial charge. I am hoping that the battery "remembers" how full it can actually charge to so that I do not have to repeat all the steps above every time i charge the phone.
another thought, is it possible that voltage to the battery is a problem? mine is showing 4150 mV after booting up, should it be closer to 3.7?
I have still a better way to fix your battery woes. Leave your handset plugged in 1 hour after you get the green light. Then and only then will you have a battery with 100% charge in it. These systems are set to go into trickle charge at about 93% of charge to stop over heating and possible fires. It will take another hour to fully charge the battery past the green light phase. Nothing is wrong with your phones people. They just don't want to burn down your house like has happened in the past with Li Ion batteries fast charging to close to a full charge.
I don't think that's necessary yet since it's getting bumped consistently but that's their call.Could a MOD please sticky this thread temporarily, and maybe add a poll to it so that A. we can get a larger test group and B. so people stop creating more and more threads about batteries?
what does HTC consider acceptable then?
judging today from my texting, using facebook for like 10 mins, 10 mins of calls, surfing the web for about 20 mins and downloading an app from the market. I will be getting like 14 hours out of the battery. (7 hours currently since pulled off charger and at 56%)... this is pretty much more than my old RAZR (wouldnt last a work day), way less than my LG VX8300 (usually lasted 2-3 days), and on par/more than my centro (got through work day pretty low or dead by bed).
Is 14 hours acceptable or should I be complaining that I didn't get my day and a half?
I've done this type of charging twice now. While it does take longer for the battery meter to drop from 100-90, I am NOT getting better overall battery life. Same usage as before. I'll get about 3 hrs of awake time before it's under 9%. While the battery meter maybe more accurate, it doesn't seem to extend battery life at all. YMMV.
I don't think that's necessary yet since it's getting bumped consistently but that's their call.
I pulled my battery, charged it externally, have phone calls, email, GPS, Wifi, animated wall paper, one hour later... 100%. This is crazy. I'll bet the sensor on the phone is timed to shut off to prevent over heating. Remember those exploding iPods (or i somethings)
I have still a better way to fix your battery woes. Leave your handset plugged in 1 hour after you get the green light. Then and only then will you have a battery with 100% charge in it. These systems are set to go into trickle charge at about 93% of charge to stop over heating and possible fires. It will take another hour to fully charge the battery past the green light phase. Nothing is wrong with your phones people. They just don't want to burn down your house like has happened in the past with Li Ion batteries fast charging to close to a full charge.
people are way too focused on what % their battery meter says.
You can do all the stuff you want to mess with the calibration of the meter, it's not going to affect how much energy is stored in the battery.
Worry about how long your battery actually lasts, not how quick it moves from x% to y%.
People are way too focused on what % their battery meter says.
You can do all the stuff you want to mess with the calibration of the meter, it's not going to affect how much energy is stored in the battery.
Worry about how long your battery actually lasts, not how quick it moves from X% to Y%.
People are way too focused on what % their battery meter says.
You can do all the stuff you want to mess with the calibration of the meter, it's not going to affect how much energy is stored in the battery.
Worry about how long your battery actually lasts, not how quick it moves from X% to Y%.