Cordless Drill Features And Buying Tips This Old House
Cordless Drill Features Power. For cordless drills, power is measured in battery voltage. Higher voltage means more torque-spinning strength to overcome resistance. Over the last decade, top-end voltage has increased from 9.6 to 18V, but the range of models include 6, 7.2, 9.6, 12, 14.4 and 18V.