Never let a dead vehicle battery slow you down again. The Polaris® Flex Jump-starter is a compact solution that provides the power to get your ride started. Flex is small enough to be stored in your glovebox, and holds its charge so you can count on it when it’s needed. In addition to being able to jumpstart ATVs, ORVs, snowmobiles, motorcycles, cars & trucks, Flex can also charge any USB capable device through its dual USB outlets. Ability to jumpstart up to a 6.4L engine.