This amazing tool is a powerful jump-starter, rechargeable 12 volt power supply and 250 PSI air compressor in one handy unit! This unit provides up to 50 hours of 12 volt power on a single charge making it perfect for power outages, emergencies or your next camping trip. Features include a built-in emergency work light, battery condition and charge level indicators and heavy duty all-copper booster cables all in a bugged case with booster cable storage. Battery capacity 18 Ah Battery indicator Yes Cable gauge 6 gauge Maximum pressure (PSI) 250 PSI Thermal Overload Protection