Reverse Polarity Protected Battery Charger provides an output of 12 V to 72 V DC to operate efficiently. The Battery Charger functions on an input range of 230 VAC +/- 10 % and at a frequency rate of 47 Hz to 53 Hz. The Battery Charger is protected against short circuit, overload and reverse polarity. Reverse Polarity Protected Battery Charger is suitable for generating set and other charging purposes.