A jumper cable is provided that includes: a first charging transfer cable having first and second opposing ends; a second charging transfer cable having third and fourth opposing ends, and a connecting element at each of the first, second, third, and fourth opposing ends, the connecting element configured to releasably attach respective ends of the first and second charging cables to one or more battery terminals. A portion of the first charging transfer cable is coupled to the second charging transfer cables between a first point of union and a second point of union, and the unequal length portions of the first and second charging transfer cables extend from at least one of the first and second points of union.