Amazon.com: Synergy Digital Power Tool Battery, Works with Makita BTW450RFE Power Tool, (Li-Ion, 18V, 6000 mAh) Ultra High Capacity Battery : Tools & Home Improvement
Makita BTW450 18V LXT® Lithium-Ion Cordless 1/2" High Torque Impact Wrench Kit - Power Impact Wrenches - Amazon.com