Do the external battery chargers hurt phones? - Android Q&A, Help & Troubleshooting

I've had two phones now that died similar deaths and both had a pair of batteries and a wall charger. I'd pull the battery at the beginning of each day and put the fresh charged battery in. Both phones (S2 and an S4) just boot looped and got hot without anything further. Could the external charger and swapping the battery each day have hurt the phone? I did this because my first android phone had a bad usb port.

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[Q] My GS2 won't turn on

It was working fine before I went to bed last night, then I let it charge for the night since that battery was at about 4%, But this morning it won't turn on at all. The battery feels warm as if its been charging but nothing seems to be making it turn on. Any ideas?
re: No Poweron
labou_7 said:
It was working fine before I went to bed last night, then I let it charge for the night since that battery was at about 4%, But this morning it won't turn on at all. The battery feels warm as if its been charging but nothing seems to be making turn on. Any ideas?
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If it was my phone here is what I would do.
First I would see if the phone charges the battery by putting the battery into
the phone and plug the usb cable from phone into the wall charger or into
the computer.
If the display on phone shows a picture of a battery charging let it charge
for an hour more or less and try turning on the phone.
If the phone is not charging the battery I would purchase a cheapy battery
charger and battery combo on eBay.
You can find this combo on eBay for less than $8 bucks shipped for both the battery and charger:
http://www.ebay.com/itm/1800m-BATTE...045605?pt=PDA_Accessories&hash=item43aa9a4465
(even if you decide to return and exchange the phone its still a good thing to have a spare battery and charger)
Check it out.
Good Luck!
labou_7 said:
It was working fine before I went to bed last night, then I let it charge for the night since that battery was at about 4%, But this morning it won't turn on at all. The battery feels warm as if its been charging but nothing seems to be making it turn on. Any ideas?
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Click to collapse
are you on cm7? not sure about the s2 (never had the issue), but i know that on the infuse, there was a problem (or maybe it was intentional) with low power charging mode (phone wouldn't charge when off).
i think this can be solved by trying to charge the phone via your computer usb, as opposed to your OEM wall charger.
Thanks for the suggestion. It definitely isn't showing the picture of the battery when its plugged in to the wall or the computer. I'm debating the battery charger combo you linked.
I actually am. But I have it plugged to my computer and nothings changed.
Time for some trouble shooting.
Start eliminating possibilities. You need to determine where the problem is.
From what you say, it seems possible that the battery is completely discharged but not recharging. That could be a bad battery or it could be the phone.
If you know someone else with an SGS II, try inserting their battery temporarily to see if your phone will boot. If you don't know someone else, maybe you can borrow a charged battery from the store where you bought it.
Continue on until you pinpoint the problem.
Do NOT buy a "cheapie" battery for your SGS2. Unless you want to eisk causing damage. The stock battery for the SGS2 has NFC technology built into it. Using anything other than OEM could cause damage/performance issues to your phone, and void the warranty.
Sent from my SAMSUNG-SGH-I777 using XDA Premium App
Have goh tried a battery pull? Unplug the phone, pull the battery and let sit for a few minutes to allow tbe IC's to discharge. Put battery back in and try powering up the device. Good luck.
Sent from my SAMSUNG-SGH-I777 using XDA Premium App
Similar issue and got phone fixed finally
Have had similar issue as yours. Cable charger was plugged into the phone to be charged at night and was surprised to find that the phone became hot and battery was not charged at the next morning, in fact the battery level got lower than it was before charging.
Notes:
- ROM in use: AOCP version 7.2 (Android 4.4.2)
- Kernel in use: Version 3.0.101 [email protected] #3
Here are some tests done and the observations after getting a charger with a slot to place the removed battery for charging:
1. Charging via USB cable connected to PC:
- With the phone turned on, battery charging icon is only displayed after some wiggling at the charging port. The phone got charged further to 100% when the initial remaining battery level is 90%. However, when the initial battery level was less than 50%, the battery level continued dropping ALTHOUGH the battery charging icon was displayed.
- With the phone turned off, battery charging icon is only displayed after some wiggling at the charging port. When the initial battery level was less than 50%, the battery charging icon displayed only a battery level of 1% and the battery level did not increase at all after 15 minutes of charging.
Initially suspected that it was a dead battery issue and bought an i9100 battery, I thought it was a compatible battery at first. With the i9100 battery, I repeated the above tests.
2. Charging via USB cable connected to PC:
- With the phone turned on, battery charging icon is only displayed after some wiggling at the charging port. The phone got charged further to 100% when the initial remaining battery level is 90%. However, when the initial battery level was less than 50%, the battery level continued dropping ALTHOUGH the battery charging icon was displayed.
- With the phone turned off, battery charging icon is NOT displayed but the phone screen flashed continuously, and at times the phone is turned on automatically as the USB charging port is inserted. When the phone is turned on, the charging proceeded as the above sentence.
Upon searching the forum, I found that i777 has a different battery with NFC chip and i9100 battery has reported to cause issues during charging on i777 devices. There was also a Chinese forum which mentioned that the battery compatibility issues should have been overcome in ROM with Android version 4.0 and above.
I then bought a new i777 compatible battery and tested charging via USB cable. The observations are same as the first battery as at 1.
With the battery issues possibility eliminated, I approached a phone technician to examine the phone by telling him that the phone couldn't be charged and the battery level continued dropping even with the battery charging icon displayed. The phone technician then thought that the USB charging port to be the cause of the charging issue and replaced it. The replaced part is the small metal housing where the USB cable is inserted, and is replaced by heating the old metal housing and replacing it with new part by soldering.
The phone could be charged with USB cable as usual after the part replacement and all the batteries are found to be still working fine. Ended up with 2 i777 batteries and a i9100 battery, may be I could continue using this phone for at least another 5 years down the road.

[Q] Defective wall charger?

Anybody have issues with the supplied wall charger? I started using the HTC charger only recently (was using my old BlackBerry charger just because I was lazy and didn't want to switch them out on my nightstand), and the other morning my phone was stone dead. No orange notification LED, nothing. I thought I had simply lost my original 1620mAh battery, even though I have only used it about 10% of the time I've had my phone (I put a HTC extended battery on it in the first week, only recently switched back to the slim battery so I could bundle the phone with a headphone amp). I put the extended battery on it yesterday, and this morning the phone showed it was fully charged. I take it off the charger, and in a matter of moments I get a message something to the effect of "your phone is using more current than the charger can provide... please close unnecessary applications". Also, the battery indicator is still showing it's connected to the charger when it's not. I pulled the battery, reinserted, then my previously "fully charged" battery now shows in the red and "less than 3% charge". WTH?
In my panic yesterday, I already ordered 2 new HTC 1620mAh batteries, though my original one now seems to be coming back to life on a Motorola charger. May not be anything wrong with it after all.
Sorry for the long-winded and wordy post... But, has anybody else experienced this wackiness??
On edit: I forgot I replaced the BlackBerry charger on my nightstand with a Motorola charger, and that's what's charging the phone, now.
Basically, throw away the blackberry and motorola charger. The Rezound charger is rated at 1 amp, which is enough to charge and run the device at the same time. Any less, and you need to shut the phone off to charge. Most cellphone chargers are rated around 700 ma or less, which isn't enough to charge while the phone is on. Use the stock charger.
GrayTheWolf said:
Basically, throw away the blackberry and motorola charger. The Rezound charger is rated at 1 amp, which is enough to charge and run the device at the same time. Any less, and you need to shut the phone off to charge. Most cellphone chargers are rated around 700 ma or less, which isn't enough to charge while the phone is on. Use the stock charger.
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I think you missed the point of my post... I didn't start having problems until I started using the HTC charger! The phone charges/operates perfectly on the Motorola and BlackBerry chargers.
Freedom First said:
I think you missed the point of my post... I didn't start having problems until I started using the HTC charger! The phone charges/operates perfectly on the Motorola and BlackBerry chargers.
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Stock battery?
The other chargers may have damaged your battery. You might need a new one.
GrayTheWolf said:
Stock battery?
The other chargers may have damaged your battery. You might need a new one.
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Click to collapse
I've been using the HTC charger for about 1 month, now. Problem first arose while using the stock 1620mAh battery, and when it went totally dead on the HTC charger yesterday morning, I put the extended battery back in. HTC charger did not properly charge the battery last night, so I'm back to using the Motorola charger (which is 850mAh, BTW). It's charging my extended battery just fine, and it even revived my previously dead 1620mAh battery, which the HTC charger killed.
There's nothing to suggest my oem HTC batteries are damaged in any way.
It's hard to believe that the charger would be defective. But, it might just be worth it to get a 1 amp charger online incase you need to use and charge at the same time. The 1 amp will also charge faster.
Yeah, I rarely ever have a need to charge my phone while simultaneously using it. My issues arose during typical overnight charging (phone on, but no usage). On rare occasions I may have need to plug it in while in my truck, and I've never had any issues with the car charger.
GrayTheWolf said:
Basically, throw away the blackberry and motorola charger. The Rezound charger is rated at 1 amp, which is enough to charge and run the device at the same time. Any less, and you need to shut the phone off to charge. Most cellphone chargers are rated around 700 ma or less, which isn't enough to charge while the phone is on. Use the stock charger.
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Click to collapse
Moti charges at 0.85 amps so it works fine, my phone works with it. My HTC one killed my two long usb cables.
Freedom First said:
Yeah, I rarely ever have a need to charge my phone while simultaneously using it. My issues arose during typical overnight charging (phone on, but no usage). On rare occasions I may have need to plug it in while in my truck, and I've never had any issues with the car charger.
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Click to collapse
Even if you aren't using it, it is still pulling for radios, and other junk that runs. You should shut your phone off at night while it charges. And it is good for it to shut off, clears memory and keeps your phone running smoothly.
My charger actually just went bad on me. I would get that voltage warning so I thought it was either the phone or battery but after trying a different cable everything is fine.
Sent From My HTC Rezound

[Q] Dead battery?

I have a Samsung Galaxy s 3 i9300 straight from the factory unlocked. Three months after having it, I started having battery problems. It wasn't charging fast enough and it died fast. So I bought a couple new chargers. They worked, but broke fast. After a while, my phone just wouldn't charge with any charger. I figured out that it was the port and I had to bend the charger to the right so it would work. I got tired of this so I bought the official Samsung Galaxy s3 external battery charger; the one that comes with the extra battery. I've been using this for about a month. I love that I can switch batteries when one is dead. I'm never with a dead phone. So earlier today, my external charger and both batteries were working. I dropped my phone and the phone just turned off. I tried turning it back on, but it never worked. So I went and switched batteries and the phone came back on. I know the other battery wasn't dead, because it had 15% battery before I dropped it. I put the battery that wasn't working in the external charger, and the external charger isn't working now. I let it stay in the external charger for a while thinking that it may be the light that just isn't working on the charger. I switched the batteries out and the battery still won't work when I put it in the phone. Also, the external battery charger won't charge either batteries now, but the battery that is working will charge if charge it the regular way. All of this just happened at once. Probably a coincidence, but I don't know what is going on.
You dropped it, the battery is broken. Putting it into the charger sounds like it shorted out, breaking the charger. Replace both battery and charger, simple.
Sent from my GT-I9300 using Tapatalk

[Q] Rezound refuses to charge

Hello guys... I'm having a major problem with my battery not taking a charge or just being stubborn.
I used multiple chargers and the phone refuses to charge. It discharges even though it says it's charging and it mounts via USB with no issues and data transfer is faster than ever. I have the OEM stock and the Laza extended battery but the Laza takes much too long and the stock battery won't come back at all because the charger kills it...
This started when I left my extended battery on the charger overnight and it was at maybe 30%. I woke up and it was dead; it wasn't responding to anything unless I pulled the battery and it gave me the blinking orange LED. Any ideas?
*phone was dropped once but a WHILE ago
did nothing special and it was charging great 3 days ago
charging while powered down actually kills the battery FASTER
I'd appreciate any help.
Have the same issue. I believe my USB port is coming loose from the board and needs repair or replacement. I tried physically bending bits of the port with the battery removed to mixed success short-term, but now I have trouble just getting data to connect over the cable. Could try to work around the issue by buying a couple of wall chargers for just the battery pack, then circulate between two or three batteries through the day. Used Battery Monitor Widget app to see my device can eat 500 to 1,000 mA an hour, so I got two 500 mAh chargers and spare batteries to keep pace with max drain rate.
Okay, thanks for the recommendation! My Droid MAXX has arrived but my battery is actually doing pretty well right now. It decided to charge overnight but still no luck with the stock. But I still want to use this phone to test ROMs, and it's difficult to do so with the discharged battery. Anyways thanks a lot, I will look into this. Or maybe I could buy another Rezound for cheap or a Thunderbolt (if it works).

My original lg g3 cable is broken? Very slow charging.

I have had my g3 for about 2 months now and the last 2 days i realise that it barely charges. I usually leave my phone overnight and its always at 100% in the morning but 2 days ago i plugged it in at about 15% at 12am and by 9am it was only at 54%. I thought it was really strange but didnt think much of it i took out the battery put it back in and put it to charge again. In 3 hours it was only at 70%. I realised there was something wrong but i couldnt figure out what was causing the problem so i let the battery emptey and tried charging again. Again the charging was extremley slow. So i took my friends charger and it was full in an hour or so. This was a relif knowing it wasent my phone that was the problem. So i decided to see what the problem was i took his usb cable (which was also original) and plugged it into my charger and it charged quickly but when i plug in my cable its slow w even on his charger. Does anyone know whats going on?
I've never had good charging in this phone. Sometimes its super fast other times it barely charges if the screen is on. I have the damn thing plugged in and just saw it drop a percent. Charging port is to blame IMO. Its a piece of ****.
Had the same issue with my 4 months old LG G3. Different cables didn't make a change, original LG Charger was the problem - when charging on external battery it was always fast, when charging on my genuine Nvidia Shield charger it was always fast. So i decided to buy a different charger (i-tec USB Power Charger 2 Port) and also new cable (Wsken X-Cable) and no longer any problems...

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