It's not to have to rely on jumper cables. The 15V/10A DC port that can power for other car products as tire inflators, vacuum, etc. The PD 18W Type-C fast Input port will make your trip full of power!

Brand: VTOMAN
Voltage: 12 Volts
Product Dimensions: 8.8"D x 3.9"W x 1.5"H
Item Weight: 1.78 Pounds
Amperage: 3500 Amps
Battery Cell Composition: Lithium Polymer
Vehicle Service Type: Passenger Car
Battery Capacity: 3500 Amp Hours