Uapow 288Wh Long-Distance Self-Driving Power Supply, 300W Pure Sine Wave Power for Continuous Power Supply to Car Refrigerators and Dash Cams. 7-Port Simultaneous Charging, 140W Usb-C Fast Charging for Laptops. The 3kg Trunk Bag Doesn'T Take up Space and Supports Charging While You'Re on the Go.