Battery slow - Galaxy S II Q&A, Help & Troubleshooting

the battery is charging very slowly
hi all is there any way to charge the battery faster, as it takes about 5 hours to charge from 0% to 100%
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klos619 said:
the battery is charging very slowly
hi all is there any way to charge the battery faster, as it takes about 5 hours to charge from 0% to 100%
Sent from my GT-I9100 using xda app-developers app
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I use a battery charger with a spare battery. You can buy them on eBay for 8 or 9 U$D. This way you never have to wait until the phone is charged as you always have a charged battery. Moreover, I friend of mine had an issue with the miniUSB port long time ago as there seems to be a defect on the phone if you charge it using the charger that comes with the phone. It overheats the connector and finally the phone becomes unusable. At least that is what Samsung told my friend. Since then I have been using a spare battery with a wall charger.
Hope that helps!

Related

Charging Time

How long does it take before your batteries are fully charged?
First, need to start by stating it seems the charger that came with my S3 may need replacing, as the phone doesnt charge when I connect it. I connected my Note's charger though and it started charging.
I let my battery drain to 1% and started charging, its been 2 and a half hours and its at 47%.
Does that sound normal? My Note gets fully charged in about 3 and a half hours.
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Have you tried the original charger & cable again after you got a little juice in the battery from Note's charger? Also to determine if its charging slowly, were you using the phone for various things while it was charging??? How long has your screen been on while charging, because that is the biggest battery sucker on a Samsung device.
Just tried using the original charger and no luck. Weird thing is the S3 seems to think it.is just connected via USB as the USB connection prompt appears whenever I try to use that charger, but still doesnt charge.
Im using the Note's charger now and it is charging again.
The entire time the phone was sleeping, screen was not on.
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Sounds like either a defective charger, or a defective battery/phone. If you have a warranty, I advise exchanging your device through that method.
Thanks went to Samsung and turns out the cable is defective.
How long does it take for your S3s to fully charge coming from little to no charge?
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I never leave mine till 1%. Usually at around 20% and it takes 4-5 hours. Is it better to leave till 1%?
Also how fast are you depleting a? Had a galaxy s and a iphone 4 before and the s3 seems too deplete a little faster.

[Q] 2xBatteries, 100% 15mins, Weird!!

I just got a Samsung Battery Charger/Stand with Battery & have just charged the new battery with it, swapped it for the old one that had just run out when I noticed something weird...
The new battery was showing up as 100% for about 15 minutes. During which time I had the screen on for 3 minutes at full brightness.
What does that mean??
I've never seen 100% for any more than a second after I've unplugged the phone.
I'm assuming there's some difference between the batteries and the stats that are in the phone for the battery. I've used the Battery Calibration app before, when changing roms on my old phone, and that would sort out little anomalies. Do I need to use battery calibration every time I switch batteries?
Will this work itself out?
Will this swapping negatively affect my phone in anyway?
I thank you in advance for your help/suggestions
The phone has logic to not let the battery charge to 100% for too long. The charger does not. Battery calibration apps do nothing.
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So... the charger over charged the battery?
Will that damage it?
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I posted the same thing in the morning on another thread. Great mind think alike! Haha
Well to me it doesn't mean anything wrong really. Just that the phone doesn't fully charge the battery for safety or maybe heat reasons. Who knows? If samsung desktop charger is approved by samsung its good enough to me.
sent with WSGS3
Guess your right.
So yours was saying 100% for unusually long as well?
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It did on my new one for about 5min. Only but I had wifi on and screen and doing some work. It Wasatch new battery and didn't think much of it. I would say that even that was way more than the immediate 99% once off the charger on the phone
sent with WSGS3
Just read your earlier post. Seems strange that the external charger charges more than the phone. I guess I can't complain about a few extra minutes!
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One of my usual days with the battery charged up in the morning on he desktop charger, and I'm now 8 almost and have 72% when previously I was getting about 60% around this time
sent with WSGS3

Slow Charging

Since a few days my phone doesn't charge good.
When I charge my phone over night, it get's to 50% but not any higher.
The phone charges really slow.
I've tried my old htd desire charger end the normal samsung charger, but it make no difference.
What can be the problem?
The charger, battery or the phone itself?
It`s most likely the battery, make sure the terminals on the battery and in the phone are clean.
An Anker battery is around $10-15 , but NFC is reported not to work with it, or an original Samsung battery is around $25
John.
coeniel said:
Since a few days my phone doesn't charge good.
When I charge my phone over night, it get's to 50% but not any higher.
The phone charges really slow.
I've tried my old htd desire charger end the normal samsung charger, but it make no difference.
What can be the problem?
The charger, battery or the phone itself?
Click to expand...
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Problem is the bug in jb Rom....only sure shot solution is downgrading to ics.
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Is your phone slow charging, OR normal charging but fast discharging?? Think about it.. go to battery section in the settings, and post a screenshot
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Charging very slow good or bad for battery life

Hi all, before too charge my galaxy note 2 takes just 2 and half hours, but yesterday I changed to new charger cable that is longer and maybe the material made its now good, the phone took 5 hour to charge, now I want to know charging phone very slow is good for the battery life?
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raidy said:
Hi all, before too charge my galaxy note 2 takes just 2 and half hours, but yesterday I changed to new charger cable that is longer and maybe the material made its now good, the phone took 5 hour to charge, now I want to know charging phone very slow is good for the battery life?
Sent from my GT-N7100 using xda premium
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I wouldn't think that charging slow or fast would affect the battery life at all. The only concern I see when charging the battery is that you don't overheat it, and neither of these options sound like they are going to do that.
I would say that the only way your method of charging could affect battery life is if you used one of those "rapid charge stations" in airports. I would imagine fully charging your battery in 15 minutes could not be good for it.
Thanks! I am afraid about that if could affect the battery life, because I still use the phone charger I just changed the usb cable to a longer one, maybe the cable electrical conductor is not good quality as the original one.
And this can take all night to charge the battery. Time it's not problem, I just care about battery life.
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raidy said:
Hi all, before too charge my galaxy note 2 takes just 2 and half hours, but yesterday I changed to new charger cable that is longer and maybe the material made its now good, the phone took 5 hour to charge, now I want to know charging phone very slow is good for the battery life?
Sent from my GT-N7100 using xda premium
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Click to collapse
The material, length and quality of the USB cable has no significance what so ever for the charging times, trust me. If it's USB 3.0 or not may, though.

Time the Note II takes to recharge

How long should our Note II take to recharge from 0% to 100%? Problem with practically all Android phones is that it just takes way too long to recharge. Last night I plugged my Note at about 1AM, depleted all the way down. When I woke up at 7AM, it was still at 70%. Does that sound about right for everyone? I understand that we have a huge battery capacity but the limitation with the microUSB port is definitely there.
no something is not right...my device recharges in 2.5hrs from below 10% to 100%
You using an outlet or CPU?
if CPU, are you directly connecting to a USB port or a hub?
My cpu charges so slowly compared to an outlet.
I'm plugged into the wall using the provided OEM charger.
pcpark87 said:
I'm plugged into the wall using the provided OEM charger.
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You tried different outlets?
I would turn the phone off, try dif outlet, try charging it, see if it is any better.
If no, probably something hardware related.
if yes, probably something you have installed then i would just restart from stock.
It takes me about 2-3 hours with the oem charger.
Sent from my SCH-I605 using Tapatalk HD
I've been having this problem too, and I can't really pin it down. I'm using the charger that comes with the S3,which is only rated at 1amp so I know that's the biggest factor. However, sometimes it charges to full in a few hours, other times after a night on the charger it will have only made it to 60% or so. The real stumper is that it only tends to drain about 1-2% an hour in deep sleep, so it's not like it's draining faster than the charger can keep up. It seems completely random. I'm ordering a 2amp charger to see if it helps, im sure it will, but I'm just confused by the random nature of this.
Yea something is definitely wrong. Mine charges in about 2.5 hours from near 0%. Try a different outlet
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I use the cable the phone came with and I can go from 2% battery life to 100% in about 3 hours. Hella fast, luv it.
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Yeah about 2-3 hours is my usual charge time from 20% to 0% range respectively.
I still can't help but feel that that is somehow slow though. Can't tell, it's been so long since I had a small battery I don't know what a fast charge is nowadays.
Going from zero is way different than going from 1% the battery tries to protect itself so it trickle charges for a while. Honestly going from 10-100 should not take more than three hours probably closer to two
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Mine seems like it takes about 2 hours maybe even less from 15%
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DJ1994 said:
Going from zero is way different than going from 1% the battery tries to protect itself so it trickle charges for a while. Honestly going from 10-100 should not take more than three hours probably closer to two
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True that, the that.
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not sure if this helps, but do you have light manager installed? I had an issue when I first downloaded it and set it up, that night when I went to charge it it would charge VERY SLOW...I finally isolated the issue to light manager....I uninstalled it and reinstalled and it has been fine ever since. The Note 2 for me now charges faster than any device I have ever had.
pcpark87 said:
How long should our Note II take to recharge from 0% to 100%? Problem with practically all Android phones is that it just takes way too long to recharge. Last night I plugged my Note at about 1AM, depleted all the way down. When I woke up at 7AM, it was still at 70%. Does that sound about right for everyone? I understand that we have a huge battery capacity but the limitation with the microUSB port is definitely there.
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Hi,
This is what I have found. Sometimes when the microusb end is plugged into the phone that the phone charges at usb rate instead of ac which is wall outlet. I only have this problem with a standard usb cable in the car. Will change it soon but. What you can do after you plug in the microusb into the phone goto settings then battery and see how the phone sees the charging its getting. It will say either usb or ac. Ac is full charge rate usb is much slower since usb like off a pc or laptop has a lower output to your phone.
If you see it takes more than 3 hours to charge your phone and it says ac in settings then you definitely have a problem with either the charger, usb cable or phone.
Thanks,
Bryan
If you're using the cable and charger that came with the phone, you have a problem. Based on what you reported, I'd say you're using a 1A or less charger.

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