155W Battery Charger Power Supply(switching power supply) ... 8V/13.3V, 27.6V/27.1V 155W Battery Charger Power Supply(switching power supply)Features:Universal ... rangeProtections: Short circuit / Overload / Over voltageBattery low and battery polarity protectionCooling by free air convection100% full load burn- ... ,3,4,5,6,8,11; ENV50204, EN55024,Light industry level, criteria AOTHERSMTBF183.3K hrs min. MIL ...