... lowe temperaturer, more reliableFull protection, overload, over voltage, short circuit, over temperature etcCold startGenerator compatibleWith RS232 ... 5%Charge modeConstant current first then constant voltage, charge with temperature compensation, automatic switch of even charge ... Range: UPS, three phase (10kva~800kva), single phase(300va~20kva), three phase in and single phase out(6kva~80kva), online ...