300W Car Power Inverter Dc12v to Ac220v Best Buy

300W Car Power Inverter Dc12v to Ac220v Best Buy 300W car power converter inverter 12V DC battery to 220V AC adapter Universal USB port/socket output With mini heat dissipation fans Input: DC 12V (DC10  15V) Output: AC 220V Efficiency: 90 percent Output frequency: 50Hz Output wave: Square wave Low battery alarm: 10.4  11V Low battery shut-off: 9.7  10.3V High battery shut-off: 14.5  15.5V Fuse: 40A Car charger cable length: 30cm Battery clamp cable length: 30cm