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. FeaturesRecharges via a USB-C cable (not included).Compatible only with the F.A.T. Wrench AutoTorque12V Lithium-Ion battery2-hour continuous runtime on a single charge