The Weego Standard Jump Starter Battery+, No. JS6, is designed to start engines and charge phones, tablets, speakers and other USB devices, while still being small enough to fit in a pocket or glove box. The Battery+ eliminates the need for jumper cables or jumper packs. It is powerful enough to start gas engines up to 4.6L and diesel engines up to 2.4L. The Battery+ is backed by an 18-month warranty.