DieHard Battery Charger/Maintainer

Charge your battery from inside the vehicle! Fully Automatic Battery Charger/Maintainer with Float Mode Monitoring for 6 and 12 volt batteries. 2 Amp, 12 Volt/4 Amp, 6 Volt slow charge with Reverse Hook-Up Protection is ideal for keeping stored, lead-acid batteries charged and power maintained at all times. Great for Motorcycle, Lawn Tractor, ATV, Snowmobile size batteries and to maintain larger Car, RV, Boat, Deep Cycle, Antique and Classic Car batteries too! Includes: 50 amp battery clamps, 12V accessory plug and permanent ring connectors for fast, easy charging every time. UL listed.