Looking for Answers about NPower Powerpack Emergency Power Source with Air Compressor - 300 Amps, 100 Watts?

This NPower Powerpack is a must-have for emergency situations. The portable powerhouse features an integrated SLA battery that provides the power you need and includes a built-in 100 Watt inverter that transfers DC to AC power. Volts: 12, Amps: 300, Watts: 100, Amp Charge Rate: 300, Works With: Personal electronics or household appliances rated up to 100W, 5V USB products, 12V DC products, Polarity Reversal Protection: Yes, Internal Battery Type: 12V SLA, Cable Length (in.): 40, Cable Gauge: 6, Clamp Material: Copper clad, Max. PSI: 150, Includes Air Compressor: Yes, Display Type: LED, LED Indicators: Yes, Outlets (qty.): 1, Adapters Included (qty.): 1, Built in Inverter: Yes, Handle Included: Yes, USB Ports (qty.): 1, Reverse-Polarity Detector: Yes, Dimensions L x W x H (in.): 12 3/16 x 5 1/2 x 13 3/16 Provides the cold cranking amps to get batteries started in adverse conditions Jumpstart reverse polarity connection protection with alarm and indicator Built-in 12V DC power outlet Powered by a 7Ah sealed lead acid battery Built-in 100 Watt inverter Built-in USB port Superbright LED emergency light Equipped with a 150 PSI air compressor with gauge Easy-access heavy duty cable and clips deliver reliable performance