Extreme Max 1229.4000 Battery Buddy Intelligent 6V / 12V Battery Charger / Maintainer Designed for long-term off-season storage in all climates for boats, ATVs, PWCs, UTVs, motorcycles, cars and more Four intelligent charging modes: Initialization, Bulk Charge, Absorption, and Float and LED charge indicator light Charges all large and small 6 and 12 Volt lead-acid and flooded or sealed maintenance-free batteries 1-year warranty *Note: Features a regulatory internal safety circuit, will not charge batteries with a voltage below 3 Volts.