GENPRO On-Board Battery Charger

On-Board Battery Charger, Battery Maintainer, and Battery Desulfator. For 12-volt batteries, including marine, boat, starter, and deep-cycle batteries. Selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. A simplified mounting system allows for quick and easy installations in any direction - even upside-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise. A fully-sealed and waterproof. 12 volt. 4 Banks. 40 amps