[...] ...power need to operation with peripherials, its about 1500 mA at all (so current_now is -300 mAh, cause battery "get" 300 mA more than is pulled from it) but, when i power my hub through modified ATX power supply - much more powerful than N900 charger - N900 is barely charging at all, with current_now fluctuating from -50 to +50 (so, part of the time it isn't charging at all, power pushed into battery is little less than used by N900). [...]