Panasonic EY7940LR2S Cordless, Battery Powered, Rechargeable 14.4V Hammer Drill and Driver Kit High performance- 390 in.lbs. Torque, 0-1400 rpm, 0-25,200 bpm " Heavy Duty Keyless Chuck, Light Weight 3.96 lbs Variable Speed, Two Ranges, Electric Brake, LED Work Light High Capacity 14.4V 3.3 Ah Li-ion Battery Kit Includes (2) 14.4V 3.3Ah High Capacity Li-ion Batteries and Charger High performance- 390 In Lbs. Torque, 0-1400 Rpm, 0-25,200 Bpm Heavy Duty Keyless Chuck, Light Weight 5Lbs Variable Speed, Two Ranges, Electric Brake High Capacity 14.4V 3.3 Ah Li-Ion Battery