Makita BL1041B 12V max CXT Lithium-Ion 4.0Ah Battery, Black - - Amazon.com
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Makita BL1040B / BL1041B 10.8v / 12v MAX CXT Slide 4.0Ah Battery | Powertool World
Makita 12V max CXT Lithium-Ion Cordless 1/4 in. Sq. Drive Impact Wrench Kit, 2.0Ah with Bonus 12V max CXT 4.0Ah Battery WT04R1-BL1041B - The Home Depot