The Challenge Jumpstart Rechargeable Jump Starter 12V is a reliable and convenient solution for jump-starting vehicles. With a powerful 12V rechargeable battery, this product from the trusted brand Challenge is perfect for keeping your vehicle's battery charged and ready to go. The jr5979 model is designed to be easy to use and efficient, making it an essential tool for any garage or workshop. Never been used comes in box with power adapter Plugged it in and the light comes on Not sure what else to check
