Sentry Marine Battery Charger 115/230V Input 32VDC - 30A - 3-Bank [SFR3230/3X]Marine Battery Charger 115 230V Input 32VDC 30A 3 Bank Sentry SFR Ferroresonant series marine battery chargers are in an elite class, setting the standard for dependable battery chargers. Sentry chargers are designed to operate for decades in the harsh marine environment. They are completely field serviceable and come with a 2 year parts and labor warranty. Features: Available in 12vdc, 24vdc and 32vdc models Completely charge the battery and turn off