What We Like About the Wesco Cobra Pro SR Electric Hand TruckThe Wesco Cobra Pro SR Hand Truck features a high-torque battery-powered drive system that makes easy work of hauling heavy loads over long distances. It`s even powerful enough to climb sta ndard truck ramps. An infinitely variable throttle with fingertip speed control handles every application and provides controlled descent. The drive may be disengaged to use the hand truck in manual mode. Power drive works in 2-wheel or 4-wheel mode. This hand truck comes complete with charger and rechargeable battery. Spare battery modules are available for high usage and extended times between recharge