I had been searching the web for the answer to, "My RAZR will only charge to xx%!" Mine was doing the same thing. So, I did all the basic things as prescribed by the various forum posters: hard reset, factory reset, battery relearn, cache clearing...to no avail. The factory reset actually got it to fully charge...once. Regardless, the display always indicated that the phone was charging. It just stayed stuck at 40%, or whatever it was at. It appeared to display the correct percentage of charge.
I took the phone apart and tested the battery charge with a voltmeter. The voltage was consistent with the percentage of charge. While plugged in to the charger, however, there was no increase in voltage, i.e.: it wasn't really charging, despite what was indicated.
I had a known-good motherboard lying around, so I tested again using the spare motherboard. Still, no voltage increase = no charge. The only other option was a bad battery or battery circuit board. Since the two are assembled as a unit, I ordered a new battery. After installed, it corrected the charging problem 100%.
Now it was time to determine why the battery failed. It was only 3-months old. I took apart the battery board, and much to my surprise, I found several areas of corrosion on the chips, and board itself:
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I'm not sure why this created a seemingly intermittent condition, but it did. This board is designed to control the amount of charge getting to the battery, and open the charging circuit to the battery when it is full.
Hopefully this helps somebody with the same issue.
Humidity? Weren't these phones almost waterproof?
Related
i put the battery in the cradle to let it charge when i was asleep, when i woke up the light wasnt on anymore so i took it out of the charger and put it into my device and turned it on but it didnt recognize the battery, it ran off of "BACKUP BATTERY", what is wrong with my 2400? I put it back in its cradle this morning as I am posting this to charge more I guess.
also note - i just got back from school and once again the light was off in the charger, i took out the battery put it in my phone, clipped it in on the bottom, and hit the on button, it booted up as the device would if the battery had 0% it ranoff backup battery, and when i went to power, the main battery had 0%, so obviously the issue is this battery 2400 mAh wont charge!
Update - Just found out the light shuts off and it stops charging every hour or so, so I took a picture
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This picture its in the cradle charging (orange light) =/
Have you read the manual?
Hi there,
If you battery is the 2400 from Mugen Power, Have youread the manual?
It is clearly stated that the first charge should be done with the battery atttached to you BA, not from the battery charger as this may render your battery inoperable (Battery ROM initialization).
Try and attach the battery to you BA and leave you BA on it's craddle for a night. Hope the proble is gone and it's not too late.
I did 8 years in Tech Support. Reading the manual doesn't make you an idiot ;-)
Cheers,
Hal
I have a cameron sino and it has no manual.
Dear imablackhat,
I think you need to check with the seller.
Is that u are still charging the battery with the cradle to charging? As I know it will damage your cradle if you use the cradle to charge the battery. The only solution is to charge it directly with USB.
I hope it can help!!
hi
Somehow the battery of my mini pro found its way into the washing machine and made a complete wash cycle in there
Is it save to put it in my phone to check if its still working or can it damage my phone?
The battery looks fine on the outside and i noticed there is nowhere a image on it that says "dont put in water"
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is it maybe waterproof
Google: http://lmgtfy.com/?q=phone+battery+water
Result: http://answers.yahoo.com/question/index?qid=20110225143831AAIObO6
first thing is make sure your battery have really dry yet
then if you dare, try it to your phone
as far as i know, some electronic things is safe to be washed
but before use it, make sure it really have dry yet (like motherboard computer, its safe if you washed it, of course it have been plugged out from the case then use it when it dry)
sorry for my bad english
Best thing to do is get a new battery.
I for one wouldn't risk putting a 20 euro battery in my 250 euro phone.
Admit defeat and get a new battery, or you might have to suffer the consequences of screwing up a phone. If a single droplet is between the wrapping, it will turn into "steam" when it gets hot, and your phone might suffer damage due to the water that will eventually build up.
After over 3 weeks of drying i just risked it and its working fine. The phone even report the battery as "good"
use rice to dry the phone or battery.
My S3 has developed a problem with the battery charge draining. When i am charging my phone, either by USB or wall charger, the battery will charge extremely slowly or go down. This is while nothing running and left overnight to charge.
Has anyone else come across this problem? My phone has become unusable because of this and must be constantly plugged in. However, even when plugged in it will turn off sometimes due to running out of juice.
I'm leaning towards thinking that the battery is the problem not the charging circuits of the phone.
Try charging it with the phone off and if that doesn't work do a hard reset. Some of the custom roms allow you to adjust the charge rate as well, have you installed any custom roms or modified any of those settings?
If none of the above work then it is most likely a hardware fault possibly battery.
Sent from my GT-I9300 using xda premium
I find the SGS3 to charge MUCH faster than my SGS2 ever did.
cmd512 said:
I find the SGS3 to charge MUCH faster than my SGS2 ever did.
Click to expand...
Click to collapse
I agree, I was charging SGS2 in my car and it would go maybe 1% in 30 minutes while BT audio streaming/GPS navi was on. Where as using the same charger for my SGS3, BT/GPS on doing the same thing, in 30 minutes it went from 87%->92%
I have flashed a new rom (CM9 nightly) and removed the kernel i had on in case it was that. Tried to charge it overnight and this was the result:
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I bought another S3 for my friend at the same time and he has observed similar problems. It seems to charge partially when in the wall socket but into a PC is useless even with everything off.
I might have to get a new battery and try it out.
Hello guys, I'm trying to figure our how much my battery can last on one charge, but I'm having a problem in the
Settings> battery,
Where it is supposed to show the usage.
Every time I charge the phone and plug it out, the graph doesn't reset back to 0 hours and just keeps on adding on the total time the phone is on. You can see in the graph the battery percentage keeps going up and down, I can't get it to reset on every time I unplug it from the charger, even by pressing refresh.
Is this a bug for me or is there a proper way to do it?
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Sent from my GT-I9300 using xda app-developers app
Sent from my GT-I9300 using xda app-developers app
I have Canadian version of S3 and battery drain is very high, phone is so warm not easy to carry around comfortably, anyone had same issue?
phonecurious said:
I have Canadian version of S3 and battery drain is very high, phone is so warm not easy to carry around comfortably, anyone had same issue?
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Hard to evaluate first part because only you know how intensive you use it. However, the bolded part concerns me. Could be a dud? Mine definitely gets warm especially here (check my location) but not hot by any means. Btw, do you have Infrared Thermometer by any chance?
Battery report only resets when your battery reach 90%+ and you unplug it
Do I have to use a branded Asus charger to get the fast charge? I'm using an old Huawei one and I don't seem to get the faster charging as I did on my P30 Pro.
Looking to purchase a 2nd, smaller charger if there is a compatible one?
I guess any QC3 or PD charger should work.
Will this give me the fast charge I'm after?
PD3.0 PPS or QC 4.0 will according to Specification.
A friend of mine with ZF9 tells me that even with original Asus charger and cable it appears the "Hypercharge" text on the phone, but the real charging speed is slow; anyone else with the same issue? Thanks!
most battery management will only charge fast when the battery is almost fully drained, generally following this curve. You'll see like 5W or something when closer to 90% battery, even on silly charging protocols like SuperVOOC. https://www.androidauthority.com/fast-charging-explained-2-889780/
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craznazn said:
most battery management will only charge fast when the battery is almost fully drained, generally following this curve. You'll see like 5W or something when closer to 90% battery, even on silly charging protocols like SuperVOOC. https://www.androidauthority.com/fast-charging-explained-2-889780/
Click to expand...
Click to collapse
I know this, is not the first phone with fast charge that I see, and my friend too is not so noob.
So, the problem appears on his phone even with battery on very low percentage.