Raw power: 390in/lb of torque. The 3 amp nickel metal hydride battery technology produces 50-percent more run time per charge and is the highest capacity battery on the market today. New features include a laser-welded, fan-cooled motor and lightweight, 1/2-inch keyless chuck. A rubberized grip has been added to reduce operator fatique and improve comfort. Panasonic's unique, full torque speed control gives you full power at any rpm within the speed range. Dual speed range 65-450/200-1450 with electronic brake and 18-stage clutch provide precision fastening. Kit includes two 3Ah NiMH batteries, Hyperformance drill, high impact plastic carrying case, and 45-minute universal charger (7.2- to 15.6-volt, NiMH or NiCd).