The Clore Automotive 12/24 Volt Commercial Jump Starter, No. 4001, from SOLAR provides endless jumps for environments where heavy duty jump starting is a regular occurrence. The 4001 accommodates two user-installed batteries (up to Group 31 size) and features 10' 1/0 jumper cable leads, enabling easy access to vehicles of all shapes and sizes. It also offers an enhanced, automatic charging system to charge and maintain installed batteries when not in use, which can be optimized to properly charge both flooded or AGM battery types. The 4001 also includes a remote-start switch, Voltage Spike Protection and Automatic Reverse Polarity Protection safety features.