Silent cooling fan: The cooling fan will automatically rotate at different speed according to power load and temperature, this design help to reduce the fan noise. Also the high speed cooling fan protect the inverter against overheating.
Multi-Protection: Built-in 4*50 amps fuse to protect your battery and devices. Safe charging technology provides protection against overheating, under/over voltage charging, overload and short circuiting. 18-months warranty and friendly customer service.