Industrial Propose Battery Charger requires 24V, 30Vor 48V to operate efficiently in 15A, 20A, 30A, 40A, 50A and 100Amps. The Battery Charger provides regulated DC output continuously from an AC source. The Battery Charger maintains the battery on float voltage on completion of charging. Industrial Propose Battery Charger is capable of automatically switching from float mode to boost mode and boost mode to float mode depending on the current drawn by the battery.