US Patent 11876370 Jumper cable device and jump start system

Disclosed are a jumper cable device and a jump start system. The jumper cable device includes a main body, and an input port, a first clamp and a second clamp connected to the main body, wherein the input port is configured to be connected with an external startup power source, and the first and second clamps are configured to be connected to a battery of a load, wherein the main body includes a housing and a control apparatus received within the housing, and the control apparatus is connected in circuit between the input port and the first and second clamps, and the input port is configured as a first connector, and wherein the first connector is connectable to a second connector of the startup power source in two directions.