BATTERY EXTENDER 12V/3A Save money by preventing a no start situation!.The BEX-3000 3.0 AMP battery charger is fully equipped with sophisticated circuitry that will safely charge and maintain batteries without overcharging. .Compatible with all 12V Lead Acid Batteries: Standard (Flooded), AGM, and Gel Cell. .Fully automatic “smart” charging enables energy efficient safe charging via AutoMeter’s advanced software and digital circuitry. .Features four charging modes: Desulfation, Bulk, Absorption, and Maintain.. Utilizes colored LED indicator lights to tell you what stage of charge your battery is currently taking. BEX-3000