15A, 6/12V, Fully Automatic Battery Charger, Micro Processor Controlled, Automatically Adjusts The Amperage Rate To Charge & Maintain, Multi Stage Charging For Added Precision, Safety & Battery Life, Auto Voltage Detection, Reverse Hook Up Protection, Charger Will Not Operate If Clamps Are Reversed, LED Will Flash, Energy Efficient Charger Is Full Automatic & Easy To Use, 6' Power Cord, 1 Year Warranty, 50 State DOE Compliant.