Keeping you Ready for the Road Ahead™, the Power Products 14” Stud Top 3-Stackable Battery Harness Cable gives heavy duty Group 31 stud batteries a proper jumpstart, with the allowance of connecting up to three batteries. For a smooth, quick start up for your truck, position on the top stud to best boost the charge of the battery. Easily expand the battery bank's capacity or voltage with this stud top battery harness cable. This replacement battery harness cable is built with heavy duty requirements in mind, being corrosion resistant with superior conductivity, which boosts current transfer to your vehicle’s power system. FleetPride is your First Click in Heavy Duty®.