JorrFui
19th July 2009, 11:29 PM
Hi,
I have my Diamond for about 1 year now. About three weeks ago I could not charge my battery anymore, so I bought a new battery (original HTC). With the new battery installed everything worked fine again.
After a week the problem retruned. The phone switched itself off after the battery level low warning and I tried to charge the battery after about 5 hours. So a second battery became useless.
I also tried charging by USB-cable with several PC's but without any result. I measured at the + and - poles of both batteries and measured about 0,3 Volts, so the batteries must have been drained completely. I guess the protection circuit in the battery/phone prevents charging.
On one battery I directly put power on the battery poles from another power supply, which deliveres about 10 Volts for a very short time (only for about 2 seconds). Then I measured the voltage on the battery poles; it was about 3 Volts now! I put the battery back in the Diamond and to my surprise it charged normally. I also did this with the second battery and it also functions normally again.
Tonight one of the batteries was drained again and the charger was connected after about two hours and again no charging was possible. I did 'the trick' with the other power supply and afterwards everything was working fine again.
In other situationss, when I connect the charger directly after the phone switches itself off after the battery low warning it also works normally.
The problem seems to be that the phone drains the battery completely when left without charging and when it gets too low charging is not possible in the normal way. The phone swithes itself off at about 5% charge level, so the software seems to be working ok.
Does anybody know this problem, and maybe propose a solution.
I'm using the latest stock 2.03 ROM from HTC.
Thanks in advance!
I have my Diamond for about 1 year now. About three weeks ago I could not charge my battery anymore, so I bought a new battery (original HTC). With the new battery installed everything worked fine again.
After a week the problem retruned. The phone switched itself off after the battery level low warning and I tried to charge the battery after about 5 hours. So a second battery became useless.
I also tried charging by USB-cable with several PC's but without any result. I measured at the + and - poles of both batteries and measured about 0,3 Volts, so the batteries must have been drained completely. I guess the protection circuit in the battery/phone prevents charging.
On one battery I directly put power on the battery poles from another power supply, which deliveres about 10 Volts for a very short time (only for about 2 seconds). Then I measured the voltage on the battery poles; it was about 3 Volts now! I put the battery back in the Diamond and to my surprise it charged normally. I also did this with the second battery and it also functions normally again.
Tonight one of the batteries was drained again and the charger was connected after about two hours and again no charging was possible. I did 'the trick' with the other power supply and afterwards everything was working fine again.
In other situationss, when I connect the charger directly after the phone switches itself off after the battery low warning it also works normally.
The problem seems to be that the phone drains the battery completely when left without charging and when it gets too low charging is not possible in the normal way. The phone swithes itself off at about 5% charge level, so the software seems to be working ok.
Does anybody know this problem, and maybe propose a solution.
I'm using the latest stock 2.03 ROM from HTC.
Thanks in advance!