The Schumacher Electric Ultralight Lithium-Ion Jump Starter and Fuel Pack, No. SL1, is part of the Red Fuel line of Li-ion products. Products in this line offer spark-free protection agains short-circuit, overload, over-current, over-voltage and overcharge events. The SL1 is compatible with MP3 players, smartphones and tablets. The SL1 has a 2A USB port for fast charging and an ultra-bright LED to use as a work light or flash as a hazard signal for up to 120 hours. Accessories and a travel case are included.