... sereis battery charger1, PWM technology, High frequency design, Compact Size2, Short charging time, High efficiency 3, Constant Voltage and Limited Current ... 220V systems5, Full Protection: Output Over-current, Output Low Voltage, Short Circuit, Battery Reverse Connection., Output cut off when battery is ... /CTN12 pcsCarton box size52×48×29G.W.21.8KGS DC to AC Battery Charger