This is the specification of the inverter 12 VDC to 220 VAC 500 Watt With Charger Battery
KV 500 12VDC to 220 VAC 500 Watt
KV 500 Watt 12 Volt With Auto Charger Battery
Voltage in : 12 VDC
Voltage Out : 220 VAC
Continuous power : 500 Watt
Power peak : 1000 Watt
Output frequency : 50Hz
Output waveform : Modified sine wave
Charger current : 10Ah
No load current draw : 0,6A
Efficiency : 90%
Fuse : 30A X 2
Dimention : 200X 130X60mm