Cobra 2 CPI-2575 2500 WATT Car Power Inverters DC to AC Continuous Power: 2500 Watts Surge Power: 5000 Watts 3 Grounded AC receptacle USB Output- 5V Allows charging and operation of modern office devices such as iPod's, Blackberry's and cell phones. Protection: Overload, Short Circuit, Overtemp, Reverse Polarity, Under/Over Voltage