The lifeboat battery charger operate with a safe ingoing current of 42 or 24 Vac for the CCS approval. And its charger currents are 2× 3Adc or 2× 5Adc. 

Automatic float charging 

Easily installed ,Safe against short circuiting ,Inadvertent polarity safe 

Double insulated ,Indicates charging process, Charges batteries individually 

Safe against overheating ,Does not charge destructively ,lifeboat battery charger Supply voltage: 42V/AC 50/60Hz ,Fully charged voltage: