Cobra Portable 900 Amp Car Jump Starter PowerPack w/Air Compressor | CJIC 550 900 peak ampere jump start power to instantly jump start vehicles 12 Volt direct current power outlet for direct current accessories and appliances 400 Watt alternating current output for operating household appliances 5 Volt USB port to charge cellphones, PDAs or power up consumer electronic devices 260 PSI air compressor to inflate a low tire, sports equipment and air mattress