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Charged for 8 hours, battery only at 96%

I got a Nexus S the other day and so far impressed apart from one thing. I left the phone on charge overnight and in the morning it said it was only 96% charged. This was with it plugged into the mains charger for almost 8 hours with the phone on stand-by.
So I read on a thread somewhere you need to discharge the battery fully, then charge the phone with it turned off to correct this. So I did that last night and again this morning it says it's only 96% charged.
I'm also disappointed at how slowly it charges via the USB cable. Had it plugged in for a couple hours at work on my computer and it only went up by around 3%, this is shocking. I'm trying it again now on a different computer and so far it's only gone up 1% in an hour.
What is going on?

It's meant to stop at 95% - 96%
Leaving your battery at high voltage (100%) will cost the battery lifespan to shorten in the long run. So usually chargers do not charge it to 100% at all but slightly below it to lengthen battery life.

OK thanks for your quick response.
Regarding it being slow to charge connected to a computer, is that normal?

Are you leaving your screen on while charging? Because the screen eat alot of power, so that might be the case.

navlem said:
Are you leaving your screen on while charging? Because the screen eat alot of power, so that might be the case.
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Nope, it turns off after 30 seconds. Wifi was also turned off.

Maybe try using SetCPU to alter your processor speed during charging and screen off to the lowest. It will significantly increase your charging speed.

navlem said:
Maybe try using SetCPU to alter your processor speed during charging and screen off to the lowest. It will significantly increase your charging speed.
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I will give that a go. But really should this be something that I have to do, shouldn't the phone charge on it's default settings via USB at a decent rate?

It might be due to programs running at the background. I'm not sure. But my Nexus S charges fast enough though. Not as slow as you mention. Maybe try doing a charge after a reboot of your phone? If it charges faster after the reboot, it is most likely the background processes you had.

Red Arrow said:
OK thanks for your quick response.
Regarding it being slow to charge connected to a computer, is that normal?
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Yes it is. USB only supplies 500mA. Plugging into the wall is usually 700mA or 1A. Have you ever seen how long it takes to charge an iPad on USB? Its wall charger is 2A.
Sent from my Nexus S using Tapatalk

Red Arrow said:
I will give that a go. But really should this be something that I have to do, shouldn't the phone charge on it's default settings via USB at a decent rate?
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No because usb is only half power of regular wall charger, so it takes much longer to charge on usb. It's possible when using the phone during usb charging to pull more power than usb can provide, stopping the charge completely.

Red Arrow said:
I got a Nexus S the other day and so far impressed apart from one thing. I left the phone on charge overnight and in the morning it said it was only 96% charged. This was with it plugged into the mains charger for almost 8 hours with the phone on stand-by.
So I read on a thread somewhere you need to discharge the battery fully, then charge the phone with it turned off to correct this. So I did that last night and again this morning it says it's only 96% charged.
I'm also disappointed at how slowly it charges via the USB cable. Had it plugged in for a couple hours at work on my computer and it only went up by around 3%, this is shocking. I'm trying it again now on a different computer and so far it's only gone up 1% in an hour.
What is going on?
Click to expand...
Click to collapse
I also have this problems, but if don't use the computer usb to charge, it seems no problem.

[Q] Wireless charging stops at 100%?

I just bought a wireless charger, and it works great...except it seems to stop at 100%. Rather than keeping it topped off, it will start draining after it completes it's charge (i.e. if i wirelessly charge overnight, it will have 85% battery in the morning)
Thoughts? Is this the way the MAXX works, or is my charger defective?

I believe, and dont quote me but, thats the smart battery in the phone that keeps the phone from overcharging.
abcrndm said:
I just bought a wireless charger, and it works great...except it seems to stop at 100%. Rather than keeping it topped off, it will start draining after it completes it's charge (i.e. if i wirelessly charge overnight, it will have 85% battery in the morning)
Thoughts? Is this the way the MAXX works, or is my charger defective?
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Click to collapse

If you lose 15% of battery overnight while the phone just sits there, you might have bigger problems than just the charger. But to answer your question, I have the oval shaped Nokia charger pad from AT&T. It will get the battery to 100% and maintain it. If I pick my phone up off the charger after 2 days, it will still be at 100%
Sent from my XT1080 using Tapatalk

tCizler said:
If you lose 15% of battery overnight while the phone just sits there, you might have bigger problems than just the charger. But to answer your question, I have the oval shaped Nokia charger pad from AT&T. It will get the battery to 100% and maintain it. If I pick my phone up off the charger after 2 days, it will still be at 100%
Sent from my XT1080 using Tapatalk
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That's very helpful...my charger must be defective (or just cheap...)

abcrndm said:
That's very helpful...my charger must be defective (or just cheap...)
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The phone when charged to 100%, it will stop charging until the phone reaches arnd 97% then charge back up. And it repeats until u unplug it. It prevents over charging. Also, he is right. If it is at 85%, its either ur charger cannot charge as fast. Or ur phone.
Sent from my SM-N9005.
Give a thank if I helped you

[XT1045/Peregrine] Signs of life but no charging

I recently picked up an unknown condition motog 4g. Won't boot. I figure it had self-discharged into oblivion. Cells came up at 2.16v, but I didn't trust it, got a fresh battery off Amazon. New battery shows no love.
When plugged in, I get no screen but the notification light goes white.
Things I've tried:
Charging for 24H on 2A charger
VOL DOWN + PWR 2min
freezing it
unplugging the screen and letting it charge
holding power for 10+ minutes while off
holding power for 10+ minutes while on charger
So, I've tried everything. Still don't know if it's a corrupted bootloader (possibly?) or if something else is wrong.
Any suggestions?

I've got a friend with the same situation pretty much. We have not frozen it yet, who can tell me how to do that?
He has had it since new, it is bone stock, and nothing will bring the battery above 0%. I'm looking for some last ditch things to try before we pull the back off and unplug the screen to charge, or replace battery.
Any help would be appreciated.

Have you tried charging it on a low amperage charger? I know other variants have had charging issues which were solved by charging on low amp chargers, such as a computer's USB port. Those generally put out about 500mA or less unless they're powered.
Sent from my SAMSUNG-SM-G900A using Tapatalk

Figured I'd update here:
I bought a new battery and put it on a 5W charger for 24 hours. Came back to life.

Samsung tablet SM-T805 charging issues...

For the past 3 months my tablet has been struggling to charge.
I would plug it in, it would show the charging icon on the battery, but it won't charge. Sometimes it will INCREDIBLY slowly. Other times (most of the time) the charging percentage will decrease while its plugged into a charged.
I have tried:
1.Soft reset
2.Hard reset
3.Removing micro sd card
4.Different (original) lead
5.Different (original charger (3 in total)
6.Opening it up and disconnecting the battery terminal for 5 mins
7.Holding down power while battery disconnected
8.Connecting the charger FIRST before connecting the other end to the mains.
Im getting nowhere. Currently its on 1% and just wont charge.
To me it could be the charging port or the battery. How do i determine (without spending heaps on a battery) what to replace first?. Is there anyone else with this problem?.
Thanks

Just now i plugged it in charge. The tablet is off as its on 0%. It took 30 mins to get to 4%, then it went back down to 0% instantly.
But like i say, when it DOES have a charge, the charge is usually decreasing as the charger is plugged in, till it reaches 0%!. Only sometimes very randomly and very rarely will it actually charge properly, and when it does it operates perfectly with it OFF the charger. So it doesn't drain dramatically off the charger.
Right now im struggling to even get a charge out of it now.
Can someone help? charging port or battery fault??

J4G3D said:
Just now i plugged it in charge. The tablet is off as its on 0%. It took 30 mins to get to 4%, then it went back down to 0% instantly.
But like i say, when it DOES have a charge, the charge is usually decreasing as the charger is plugged in, till it reaches 0%!. Only sometimes very randomly and very rarely will it actually charge properly, and when it does it operates perfectly with it OFF the charger. So it doesn't drain dramatically off the charger.
Right now im struggling to even get a charge out of it now.
Can someone help? charging port or battery fault??
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I'd say it's the battery.
Sent from my SM-S903VL using Tapatalk

Droidriven said:
I'd say it's the battery.
Sent from my SM-S903VL using Tapatalk
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Its on 30% now, creeping up slowly. So strange.
Have you seen any other cases the same to say it is the battery?

J4G3D said:
Its on 30% now, creeping up slowly. So strange.
Have you seen any other cases the same to say it is the battery?
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Click to collapse
When a device charges strangely fast or agonizingly slow, it's typically the battery, also, randomly discharging fast is also a sign.
You could always have a repair take a look with a voltmeter, testing the battery and the USB port/charging components. Or you could do it yourself.
Sometimes it's just the solder working loose on some of the pins from your USB port, you can do a reflow on those solder points.
Sent from my SM-S903VL using Tapatalk

SuperCharge problem: defective charger or battery?

Hi everybody,
it's a few days I have weird problem with SuperCharge.
I apologize for the lenght of this post, but I don't want to miss any detail that could help in solving my problem.
I recently replaced the battery with a new original one (I hope) bought from an eBay seller.
When I switched-on the smartphone, battery level was 58%. So, I used it normally and, when battery level lowered at 30%, I plugged-in the charger.
Completed the recharge, I used the phone as always.
At night, with 30% of battery level, I plugged-in the charger and I went to sleep.
The next day, in the morning, I turned on the screen and the battery level was 32%. I was confused... So, I un-plugged the charger, plugged it in again and the phone needed just few minutes to fully charge at 100% (very weird).
Then I normally used the phone for the entire day.
At night, with 30% of battery level, I plugged-in the charger and I went to sleep.
The day after in the morning I turned on the screen and again the battery wasn't fully charged. It was only 34%.
This time I unplugged the charger and I restarted the phone. After that, it showed 100%. So, in reality, the battery was fully charged!
This made me think it could have been a software related problem: so, I performed a Wipe-Cache-Partition and a battery re-calibration process.
After that, I noticed the charging process was slower, although the phone shows "Super-Charge" in the lock-screen.
So, I wanted to monitor the charging process with Ampere and this is what happens:
- as soon as I connect the charger, for the first few seconds the charging rises to about 4000mA (as it should);
- suddenly the charging stops, as if I disconnected the charger. At the same time, the battery temperature rises for one second to 44/45 ° C and then quickly returns to 32/34 ° C.
- after a few seconds, the phone starts charging again, but at 1600/1700mA.
- cyclically, therefore, the phone tries again to increase the charging to 4000mA, but, as soon as it reaches the peak, the same phenomenon described above is repeated.
I noticed that the charger overheats while charging.
I replaced the USB-C 5A cable, but the problem persists, so it's not cable related.
If, on the other hand, I use a non-5A USB-C cable, the phone recharges in FastCharge mode (2A) without interruptions and the charger does not heat up.
So, the problem exists only with SuperCharge.
Do you think the charger is defective?
Or is the new battery defective?
I thank in advance anyone who will help me. :fingers-crossed:

I noticed a similar problem with super charge.. When plugged in for charging, super charge doesnt show.. It takes super long to charge to even 50%.. So i tried other cables as well and same issue.. I restarted the phone a few times and then switched it off.. Plugged charger in and left it over night. I noticed the next day super charge was functioning correctly