On-board starter battery gives up to 1100 amps cranking power Recharges battery up to 20X faster than hand-carried units Solid state circuitry monitors battery condition and maintains maximum state of charge Fully automatic 10 amp charger recharges starter battery or any on-board 12 volt battery Will accommodate a user supplied Group 24 battery Safety Patented "Stop/Go" light on cable and 500 amp insulated clamps with patented "Flexi-Spring" cable guards warn operators before making a reverse connection Plugs into any AC outlet for rapid automatic recharging Designed for safe handling in any weather Includes convenient clamp bar for easy and safe storage of clamps when not in use Ideal for car dealerships, industrial plants, airport operations, shopping centres, and more Clamps 500A Insulated Safety Clamps