CB series battery charger Input: 100Vac~260Vac Output: 12VDC, 20A Overcharge, battery reverse-connection protection CB sereis battery charger1, PWM technology, High frequency design, ... Output Low Voltage, Short Circuit, Battery Reverse Connection., Output cut off when battery is disconnected.6, Smart cooling fan, start up automatically after ... box size52×48×29G.W.21.8KGS Good Sales Battery Charger