Makita

1/2in. Driver-Drill (0–400 / 0–1500 RPM) with Makita-built 4-pole motor, delivering 480 in.-lbs. of Max Torque and weighing only 3.5 lbs. The variable speed Impact Driver (0–2300 RPM, 0–3200 IPM) provides 1280 in.-lbs. of Max Torque in a compact design and weighs only 2.8 lbs. Makita Lithium-Ion battery provides longer run time, 5X lower self-discharge (for use any time) and 16 firm-holding contact terminals (for constant high power). 15-minute Rapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature. Charger also has a built-in fan to cool the battery which helps produce more lifetime work.">