This NPower Powerpack is a must-have for emergency situations. It features an integrated SLA battery that provides the power you need and includes a built-in inverter that transfers DC to AC power. Watts: 400, Amps: 500, Volts: 12, LED Indicators: Yes, Battery Type: SLA, Built in Inverter: Yes, USB Ports (qty.): 1, DC Outlets (qty.): 1, Adaptors Included (qty.): 1 AC, Reverse-Polarity Detector: Yes, Includes Air Compressor: 150 PSI, Handle Included: Yes Superbright LED emergency lights Provides the cold cranking amps to get batteries started in adverse conditions Integrated 150 PSI air compressor can fill a flat tire quickly 6-ga., 40in. cables