Makita XWT04Z 18-Volt LXT Lithium-Ion 1/2-Inch High Torque Impact Wrench (Tool Only, No Battery) - - Amazon.com
2 Packs Replace for Makita 18V Battery 6.0Ah, Replacement Makita 18 Volt BL1860B Batteries BL1820B 1830B 1840B 1850B, Compatible with Makita 18v Tools, Fit with Original Makita 18v Battery Charger