CB series battery charger Input: 100Vac~260Vac Output: 12VDC, 20A Overcharge, battery reverse-connection protection CB sereis battery charger1, PWM technology, High frequency design, Compact ... Reversed polarityOutput over currentOutput low voltageOutput cut off when battery disconnectedHeat runCabinet temperature≤60°CBattery surface temperature≤60° ... size52×48×29G.W.21.8KGS Good Sales Battery Charger