POWER - V18 Drill provides 550 in-lbs of torque (10% higher than Lok-Tor 2) RUN-TIME - V18 Lithium-Ion battery provides up to 50% longer run-time than 18V NiCd DURABILITY - Magnesium Gear-Box for reduced weight and added durability ERGONOMICS - Patented Reversible Battery??allows drill to fit in tight areas and optimizes balance while working overhead V -Technology battery provides fade-free power until end of charge., Manufacturer: Milwaukee