This Draper 99721 Storm Force 10.8V Power Interchange Impact Wrench Kit comes with 2 10.8V 4Ah batteries This Draper 99721 Storm Force 10.8V Power Interchange Impact Wrench Kit is a part of the Draper Storm Force 10.8V Interchange range, this kit features a 3/8\" sq. dr. impact wrench (80Nm). Complete with 2x 4Ah li-ion batteries, a one-hour charger and a 320mm, water repellant, hard bottom tool bag for easy transportation and storage. Draper Storm Force 10.8V interchangeable battery system allows you to combine one battery with any of the tools within the 10.8V Storm Force series (not compatible with Draper Storm Force 20V). Features: LED work light Variable speed control Electronic brake Comes with: 1x 10.8V 3/8\" sq. dr. Impact wrench (80Nm) 2x 10.8V li-ion batteries (4Ah) 1x 10.8V One - hour charger 1x 320mm tool bag Specifications: Battery: 10.8V Storm Force Li-ion Impact Rate: 0-3500bpm Max speed (No Load): 0-2500rpm Max Torque: 80Nm Square Drive: 3/8\" Weight: 0.95kg