Keep your F.A.T. Wrench AutoTorque running with the AutoTorque Spare Battery Pack. This 12v Lithium-Ion battery pack provides a 2-hour continuous runtime on a single charge. Always know your battery level with the quick-check LED battery status feature. Recharges via a USB-C cable (not included). * Compatible only with the F.A.T. Wrench AutoTorque 12V Lithium-Ion battery 2-hour continuous runtime on a single charge