MILWAUKEE C12IW 12V IMPACT WRENCH p2 X 15ah Liion BATTERIES Powerful Impact Mechanism Delivers up to 136 Nm of torque in a compact design 12 Square Fitment ensures peasy psocket insertionrelease OnBoard Fuel Gauge Displays Remaining Runtime Built in LED light illuminates the work surface p Ergonomic and extremely lightweight tool only 1000 gr for less physical strain and fatigue Reversible action Nonslip gripping surfaces for maximum comfort and control p p Red Lithiumion Batteries Milwaukee&39s revolutionary new Red LithiumIon chemistry within the cell has less electrical resistance than other chemistries allowing significantly improved transfer of power This means less voltage drop during application so faster speeds and higher torque under load This chemistry in turn delivers improved performance of up to 40 more run time 20 more speed and torque and fade free power It also can operate down to 0°F18°C runs 20 cooler at all times can take up to 50 more recharges and has no memory effect