... 260Vac Output: 12VDC, 20A Overcharge, battery reverse-connection protection CB sereis battery charger1, PWM technology, High frequency ... 100~260V, compatible with 110V and 220V systems5, Full Protection: Output Over-current, Output Low Voltage, Short Circuit ... .5V+/-0.3VCharging current (max)15A20A15A20AEfficiencyOver 80%Protection Reversed polarityOutput over currentOutput low voltageOutput cut off ...