10 Amp all-in-one solution - battery charger, battery maintainer, trickle charger. Compatible with any AGM, GEL, or WET automotive or marine 6V and 12V battery. LCD screen displays charging status and battery status with easy-to read icons. Patented fully automatic high frequency charging restores lost battery performance for stronger engine starts and extended battery life. Built-in circuit protection guards against overcharging, reverse polarity,and short circuiting. Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more. Heavy duty handle for ultimate portability. ETL Certified for performance and safety.