I tried charging a 7.4v 1200mah 20c battery on my imax b6 charger but the charger kept giving me an error message "over voltage". I have two different brand battery and both are giving the same error message. I set the charger to 0.9a and 7.4v(2cell). I dont know what am I doing wrong. But i have no problem charging my 11.1v lipo batteries. Any ideas? ty
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Sparrow Unit
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