New in the factory box!  Opened box to verify product. 

Battery Extender 12-Volt, 750 Amp Battery Jump Starter

The Battery Extender, powered by Schumacher 750 Peak Amp jump starter provides power to start your 4,6 or 8 cylinder vehicle. The unit also includes an LED light, air compressor, 12-Volt DC outlet and 2 Amp USB port. Premium power for tailgating, camping, emergency power and jump starting.

• 750 peak amps for jump starting vehicles in emergencies
• Hook-up safeguard alarm sounds if clamps are improperly connected to battery
• 8-Gauge cables with spark-resistant clamps the fit both top and side post batteries
• Built-in ultra-bright LED light
• 150 psi air compressor with pressure gauge, nozzles and storage area for sports balls, car and bike tires
• 2 amp USB port for 2X faster charging
• 12-Volt power port works with any device powered or charged by 12-Volt power