Online only, for a limited time, receive a Free Bosch High Capacity 18-Volt Lithium-Ion Slim-Pack Battery (BAT619G) instantly with purchase. The New Bosch 24618-01 1/2 in. 18-Volt Lithium-Ion Impact Wrench, Up to 25% Lighter - 25% (1.5 lbs.) Lighter than MW V18 Impact Wrench, Most Compact, 23% Shorter - 23% (1.9 in.) shorter than MW V18 Impact Wrench. The most compact design in the market.