Charge or jump start your battery with the Die Hard Battery Charger. Intelligent charge technology, microprocessor controlled, multi stage charging adds precision, safety and battery life. This unit prevents overcharging by monitoring and switching to maintenance mode when fully charged. Features 60A boost for quick energy boost and 275A to jump start your car right away. This unit has a 12′ total reach with its 4 guage 6′ power cord and 6′ cold weather flexible output cables with color coded clamps. This easily rolls around your garage with its compact wheel design and retractable handle that also makes for easy transportation of unit. This unit also features scrolling digital messaging. Compatible with AGM, gel cell and deep cycle batteries.