Battery - Samsung Epic 4G Touch

Hello all I started this so we all can get a idea on what the mv s should be after a full charge. If your like me and swap batteries back and forth this might be good info. So please put what type of battery you are using and let us know what your mv is when charge is complete and when its dead. You can use any battery calibration tool to show results. Screenshots are fine aswell. Thanks to all that participated.
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In regards to swapping, there's nothing better than an old fashioned wife swap but this will do too.
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Lol
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Im running a stock 3.7 v li-ion battery 6.66 wh
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Using stock battery that came with phone
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Stock battery
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evo3d6 said:
Hello all I started this so we all can get a idea on what the mv s should be after a full charge. If your like me and swap batteries back and forth this might be good info. So please put what type of battery you are using and let us know what your mv is when charge is complete and when its dead. You can use any battery calibration tool to show results. Screenshots are fine aswell. Thanks to all that participated.
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I would imagine that like all other lipo cells they register 4.2v charged and 3.2v discharged. Really don't want to exceed those numbers
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Related

Is this normal?

Using GSAM battery monitor btw
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You have a lot going on there but it shouldn't run down the battery that that quick, what was the screen on time? and how old is the battery?
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cp320703 said:
You have a lot going on there but it shouldn't run down the battery that that quick, what was the screen on time? and how old is the battery?
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I agree
2hrs I think. 7 months old, but I thin I need a new one cause my sticker has turned red.
cp320703 said:
You have a lot going on there but it shouldn't run down the battery that that quick, what was the screen on time? and how old is the battery?
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mrbsb said:
2hrs I think. 7 months old, but I thin I need a new one cause my sticker has turned red.
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That's exactly how mines is.. Had my phone for, 7 months and get that type of battery life.. I screwed up my battery though before my knowledgeable days on XDA.. Gonna just buy a new one off Amazon.. Great deals on there
No doesn't seem normal. Do you leave you phone on the charger for long periods? Maybe a bad battery cell.
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Random battery percentage drop?

Im running calks 3.0 with gunslinger with the aggressive tweak. When I reboot my phone the battery will drop in huge amounts. For instance I was at 44 percent then the reboot. When it came back on I was at 7 percent life. Any ideas how to fix?
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From what i heard this is a samsung issue..happens to me as well
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It happened when i would reboot below 50%
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Here is a screen shot
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Interesting, you actually recover somewhat after the drop. Mine would be somewhere below 15% and continue to drop from there.
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I have that issue as well. I ran battry calibration app from the market. it wipes the battery stats and lets the rom rebuild new ones. it helps. I don't have that issue as much unless im flashing a new kernel.
caseyatbt said:
Interesting, you actually recover somewhat after the drop. Mine would be somewhere below 15% and continue to drop from there.
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I plugged the phone in hence the phone rebuilding the strength of battery
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Better battery life with new battery

Bought the epic touch on release date. Could never get decent battery life on cm9. Thought I'd try a new battery since they're only $13. Went from under 2 hours screen on to 3 hours screen on time. Totally worth the 13$
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Nice. I was thinking of getting a second battery. You just get a stock 1800 mAh one?
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Moral of the story was if you have crappy battery life. Get a new one.
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daniel4653 said:
Moral of the story was if you have crappy battery life. Get a new one.
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My bad. I thought I was in the Q&A section. That's why I edited my post. Sorry OP
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g_ding84 said:
My bad. I thought I was in the Q&A section. That's why I edited my post. Sorry OP
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No problem. Yes I got a new stock oem battery from ebay
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You could have picked one up for free at the Sprint store. I just exchanged two batteries, mine and the wife's, they didn't even check me in or look at the batteries. You're right, though, a new battery makes a huge difference.
Beastpieces.com
My issue with Samsung battery is that is you charge the battery with a charger thats is not the original it starts to **** up...
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rockypr said:
My issue with Samsung battery is that is you charge the battery with a charger thats is not the original it starts to **** up...
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Would the cable make a difference even though I use the stock adapter?
Hero_Guy said:
Would the cable make a difference even though I use the stock adapter?
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Maybe adapter would be okay but others ones have different voltage they put out. Like a BB charger I use is 1A and the stock Samsung is 750mA
If I'm not mistaken ?
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Just be careful and read the specs on all 3rd party chargers....one I bought for car has trashed the battery.
Sprint just replaced mine, can get up to 12 hours with moderate use
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Try this. No plug in lol.
http://www.amazon.com/gp/aw/d/B007AL5PD4/ref=mp_s_a_40?pi=75x56&qid=1346556204&sr=8-40
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Battery charging

I was just wanting to know what everyone's average time to fully charge there battery? Mine seems to take forever. A lot longer then what I'm use to and what i think it should
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Theres already a thread on charging time. No need for another one.
http://forum.xda-developers.com/showthread.php?t=2055233
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Battery opt

Was wondering if anyone knew of a app to help optimize battery because it will go from 90 percent then I reboot my phone and all of a sudden it says the batter is on 2 percent
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tcooper85 said:
Was wondering if anyone knew of a app to help optimize battery because it will go from 90 percent then I reboot my phone and all of a sudden it says the batter is on 2 percent
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Well the one I use is pretty much the Deep Sleep Battery Saver. And tweaking a few settings should do the trick.. Hope that helps..:thumbup:
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There is no app for replacing a worn out battery.
If your phone is a year old or close to it, if your a flashaholic, you need a new battery.
Remove your battery and place in a flat surface, if it wobbles and you can spin it like a top, you need a new battery.
Make sure you spin it clockwise! !
If you spin it counter clockwise steve jobs will poltergiest out of your oven and eat your Epic Touch.
Pp.
sent from a jellybean filled epic touch.
BIGSAMDA1ST said:
Well the one I use is pretty much the Deep Sleep Battery Saver. And tweaking a few settings should do the trick.. Hope that helps..:thumbup:
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Edit: Just saw that you go from 90 to 2 looks like you might just need a new battery..
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BIGSAMDA1ST said:
Edit: Just saw that you go from 90 to 2 looks like you might just need a new battery..
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I wouldn't say that, my phone did it even at 3 months old...
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