Duracell 4 amp Battery Charger + Maintainer - 120 V AC, 230 V AC Input - 6 V DC, 12 V DC Output

Features a maintenance mode to keep stored batteries topped off between uses. Includes alligator clamps for periodic charging, ring terminals for semi-permanent battery attachment, and switching between the two is safe and easy. Prolong your batterys life and take depleted batteries from dead-to-start in just 2 hours. Ensures an optimal charge on all types of 6V, 12V and Lithium-Ion vehicle batteries.