200/150/40/6A, Battery Charger, Powerful Enough For Starting SUVs, Trucks, & Large Batteries, Micro Processor Controlled, Automatically Adjusts The Amperage Rate To Charge & Maintain, Multi Stage Charging For Added Precision, Safety & Battery Life, Reverse Hook Up Protection, Charger Will Not Operate If Clamps Are Reversed, LED Will Flash, 6' Power Cord, 1 Year Warranty, 50 State DOE Compliant.