booster cable

noun

Automotive.

1. either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead.

Example Sentences

I jacked a booster cable from my own crawler into the power port of the dead one and opened the outer door.

Read more on Nature

Being in possession of a booster cable himself, Schnerch pulled over and tried to give them a jump.

Read more on BBC