Cordless Impact Wrench 580NM High Torque Brushless Electric Wrench 3in1 Impact Wrench Screwdriver Drill Power Tools. Battery: 21V 5500mAh. ▶Our cordless impact wrench tool is also compatible with all Makita 18V lithium-ion batteries such as Makita BL1830, BL1830B, BL1840, BL1840B, BL1850, BL1850B, BL1860B etc.