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