CB series battery charger can use for car battery, lead acid battery and other 12V battery. CB sereis battery charger1, PWM technology, High frequency design, Compact Size2 ... Reversed polarityOutput over currentOutput low voltageOutput cut off when battery disconnectedHeat runCabinet temperature≤60°CBattery surface temperature≤60° ... pcsCarton box size52×48×29G.W.21.8KGS Battery Charger