... used in a car 3.full protection 300w Car Power converter,1.FeaturesRate Power: 300wPeak Power: 500wAC Output Voltage: 110VAC ... refrigerators, batteries, 5) family electricity equipments: electric fan, cleaner, and lighting, etc. transport equipment series: military vehicles, vehicle, ship, medical ambulance ... , batteries, 5) family electricity equipments: electric fan, cleaner, and lighting, etc.