[Q] Battery charging very slow - Galaxy S II Q&A, Help & Troubleshooting

My S2 phone charge battery very slow.. it doesnt matter if is direct or usb. How much time does your galaxy s2 phone takes to charge from 0% to 100%? Thanks

Standard reply to this question again from 0-100% = 3 hours .
jje

And if you are on extended batteries then it will take more than 3 hours
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Do not use your mobile while charging, it will increase the charge time considerably.
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Related

Charging problem

My sgs3 is taking 4 hours to fully charge from 3% to 100%
Anyone facing such problem??
It should not take so much time i guess..
Pls help....
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sagr_ved said:
My sgs3 is taking 4 hours to fully charge from 3% to 100%
Anyone facing such problem??
It should not take so much time i guess..
Pls help....
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Click to collapse
Guess ????
Zero to 100% 3 - 4 hours would be normal depending upon input .
jje
Before i updated to latest software
It was charging in approx 2 hours!!
And i use the stock charger which came with the phone!!
I dont know y its taking so long to charge
And battery is draining a bit fast too
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Charging issue
My galaxy s3 used to charge to a 100 and immediately after disconnect it would drop down to 99 right away, but i after i updated 2 days ago now it stays in 100 % for over 30 minutes and im running on pure stock rom no root nothing, it is exactly how it came from the store. Can someone tell me if having this issue or is it normal or was It a fix???
Using the GS3 Charger 0 - 100 is reached in 2Hr 30Mins to be exact.
But if you are trying use the computers USB to charge it will surely take longer than using the charger itself.
:laugh:
My situation:stock rom, stock wall socket charger: from 3% to 100% takes 5-6 hours.
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Time charging depends on your rom as well.

Galaxy s3 first time charging

Hi I just got my new galaxy s 3 and it has been on charge 11 hours how long must it be on charge for before I can play with it also I have hered that it has to be on charge for like 14-48 hours anyone please thank you
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I just powered it on without charging
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But apparently if you do that you will not get the full life out of your battery thanks for reply
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Ah crap, shoulda done that myself then ;(
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Sorry buy a new battery
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Conditioning is more important than the initial charging of a lithium-ion battery.
Run it on the charge for an hour or two extra. But make sure you use the battery to around 20% charge then recharge it fully.
Depending on who you ask, this seems to be the best for longevity for Li batteries.
OK thank you
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it's also very damaging to run lithium batteries flat (like you see in some screenshots where people run it to like 1%)
optimum charge for lithium is between around 30% and 80%. they will get better life with regular top up charges rather than full discharge and charge.
Re Samsung S3 GT-19000
I asked the same question to customer services when I got mine and was told charge first time for 8 hours,. even though the batt will come with some charge already in it,. they told me charge for 4 hours, then you can turn it on but leave it continue charging for a further 4 hours with minimal use, then your ready to go, the standby life is only a couple of days,. from experience, but if your browsing or playing games/watching video etc it will only last 7 to 10 hours,. hope thats helpful,. regards Gwest
No need to charge for x hours before use. That, and those "fully charged before discharge", "fully discharged before recharge" are for nickel battery which has memory effect. Lithium battery has no memory effect but natural degradation. To slow the degradation, just avoid fully discharge and high temperature.

Charging time..

Got galaxy s2 and Xperia play. I use battery monitor widget pro. The play charge @almost 100%\hour, the galaxy about 50%\hour... What do explain this slowness? Same charger used and battery got came capacity.
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kojinmalia said:
Got galaxy s2 and Xperia play. I use battery monitor widget pro. The play charge @almost 100%\hour, the galaxy about 50%\hour... What do explain this slowness? Same charger used and battery got came capacity.
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This is relatively easy to explain,
Your Xperia Play takes half the amount of time as your S2 to fully charge
My S2 from 0% to 100% takes approx 2.5 hrs to charge, so your S2 charging time is perfectly normal.
Obagleyfreer said:
This is relatively easy to explain,
Your Xperia Play takes half the amount of time as your S2 to fully charge
My S2 from 0% to 100% takes approx 2.5 hrs to charge, so your S2 charging time is perfectly normal.
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and it depens on voltage of charger aswell....650mv...faster charging...450mv slower charging...
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Sent from my SGS-II powered by CM9
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
charging time depends on charger voltage and batteray capacity..
higher batt capacity needs longer time to charge..
Not like i mentioned same charger was used and both phones battery got same capacity... So the explanation is still awaitedcc
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I thought the play has a 1500mah apposed to 1650mah, the s2 charges at 650mah while the play would be.around 850mah, the stock charger is 850ma,you can't get past the s2 slow charging rate best to get another battery and a external charger
need not be the same for evry mobile
That's a good idea, i was going to buy a battery, I'll but charger too.
It's 850 vs 650 but feels more like 850 vs 400, really do slow...
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the charge time for s2 is very long!
:crying:
Charge long, discharge fast :banghead:
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Battery help

how much itme it will tale to fully charge galaxy s2 from 0 to 100% mine is taking around 4 hours.is there any tricks to charge it faster please sujjjest me guys
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sandeep20064096 said:
how much itme it will tale to fully charge galaxy s2 from 0 to 100% mine is taking around 4 hours.is there any tricks to charge it faster please sujjjest me guys
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Are you using an original charger?
Are you using a wall or USB charge?
I have original 1650 mAh battery and it takes roughly about 2.5 - 3 hrs to charge from 0% to 100% using original Samsung charger
It will more if you bigger battery or you are charging USB or with nonstandard charger
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iamanoopmk said:
I have original 1650 mAh battery and it takes roughly about 2.5 - 3 hrs to charge from 0% to 100% using original Samsung charger
It will more if you bigger battery or you are charging USB or with nonstandard charger
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Click to collapse
i use original charger and battery(1650mah) only from samsung but still it is taking more time around 4 hours.
is there any problem with my battery or mobile?
i purchased it 6 months befoe.
Bro battery charging time depends whether you are using the phone or not... because if you are using it continuously while charging screen n processor drains alot of juice...so it will take alot of time but if phone is in deep sleep it will charge faster...as simple as that..!!
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sandeep20064096 said:
how much itme it will tale to fully charge galaxy s2 from 0 to 100% mine is taking around 4 hours.is there any tricks to charge it faster please sujjjest me guys
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Click to collapse
Mine takes about 3.5 hours with the original charger and battery. So, depending on your usage it can be normal.
From a wall charger mine is taking around 3 and a half hours stock battery... yours seems fine...
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olyloh6696 said:
From a wall charger mine is taking around 3 and a half hours stock battery... yours seems fine...
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thank u very much for yours replays guys
is there any way to charge the battery faster by using different chargers or any tricks to charge quickly.
sandeep20064096 said:
thank u very much for yours replays guys
is there any way to charge the battery faster by using different chargers or any tricks to charge quickly.
Click to expand...
Click to collapse
Have you heard about undervolting and overvolting? and if you install a kernel like Siyah you can adjust the values needed to make your charging faster.
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I thank people who write helpful posts, so i expect the same.
king_below_my_lord said:
Have you heard about undervolting and overvolting? and if you install a kernel like Siyah you can adjust the values needed to make your charging faster.
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I thank people who write helpful posts, so i expect the same.
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But the charging is still limited to 650mA, since the hardware only has three modes.. 90mA which is never used, 450mA which is for usb charging and 650mA which is for charging with an adapter.
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Battery issues

My s3 takes upto 2:30 hours to get fully charge! Can anyone tell me the ideal time for phone to get charged or should I change my charger??
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ashutoshsinghy2k said:
My s3 takes upto 2:30 hours to get fully charge! Can anyone tell me the ideal time for phone to get charged or should I change my charger??
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I think its alright! Yup its little slow but its fine! When I was having a stock S3, it used to take 2 + hrs for complete charging (0%-100%)
If you are not satisfied then you can change your charger!
Or if you are are rooted user then u can try by changing charging settings in your kernel(only if u have a custom kernel)!
Press thanks if it helped you! :silly:
Yea, no need to panic. Same here.
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You could use a custom kernel modifing the charge settings but BE CAREFUL, could be dangerous for your battery if you will exaggerate
The older your battery is then the smaller it's capacity and the quicker it will charge. A brand new battery should take around 4 hours to charge, so your battery has lost 40% of it's original capacity -assuming your charger and internal charging circuit of the phone remain to spec.

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