iCharger 208b input power problem

FreakyW2000

1 µW
Joined
Jan 16, 2014
Messages
2
Hi everyone,

I need your help, my iCharger is giving me a headache, as you can see in the video the current input is fluctuating, thus taking twice as much time to charge, for example i set the charging current to 5 amps in a 7S lipo balance charge mode, and after one hour there is only around 2500 mAh put in the pack. Tried another PSU and the problem is still there. I also have tried charging with my turnigy charger and had no issues. I am using the latest firmware on the iCharger.
Tried to see where the problem is by taking it apart, no cable issues, capacitors also look fine to me, there are no burned traces on the pcb.

One note to the situation: at the beginning, when the internal temperature is low, i have a steady current input and output, but when the temperature reaches around 38 degrees centigrade things start to get weird.

Anyone had similar problems?

Is there i solution or could someone tell me how to find the problem (witch component could be bad and how to test it)

Best regards

Marko

p.s. my warranty for the iCharger has expired

https://www.youtube.com/watch?v=TLceXbUBIKA
 

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