Marine Battery Charger 115/230V Input 12VDC - 60A - 3-BankSentry 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 to prevent overcharging Ignition protected to allow engine room installations Charging outputs for Lead-Acid, Optional AGM, Gel, and Lead Calcium This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Charger Input - Voltage: 115/230v Charger Output - Amps: 60a Charger Output Voltage: 12vdc Charging Banks: 3 Portable: No Quick Guide (pdf)Owner&';s Manual (pdf)