The Martins Industries Power Lifter is designed to change the tires on a passenger vehicle, SUV, or light truck without injuring the technician's back, neck, or shoulders. It has a load capacity of 187 lbs and features a safety strap to hold wheels in place, three automatic lift speeds, and a hardware tray and impact wrench holder to keep tools in place. The ergonomic handle and pivoting casters make it easy to handle and move around. The Power Lifter comes with two 12V rechargeable batteries and a charger.