Wireless charging allows you to charge anytime and anywhere. Wireless charging SlimPack™ battery offers more run time and 2x longer life. Unique cool pack design offers advanced heat conductive housing to keep battery cooler. Integrated battery fuel gauge for fast and easy charge status. Flexible Power System™ works with all Bosch 18 V tools. Socket-ready chuck all-in-one impact driver and impact wrench with a 1/4 in quick-change hex and 1/2 in square drive chuck for sockets. Brushless motor provides up to twice as much motor life and superior efficiency for longer runtime and no maintenance. Lithium-Ion battery will work down to -4°F.