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 Autometers 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.