... power inverter are used in a car 3.full protection 300w Car Power converter,1.FeaturesRate Power: ... computer, printer, duplicator, scanners, digital camera, etc. 4) kitchen utensils series: microwave oven, refrigerators, batteries, 5) family electricity ... , printer, duplicator, scanners, digital camera, etc. 4) kitchen utensils series: microwave oven, refrigerators, batteries, 5) family electricity ...