Makita BL1041B 12V 4.0Ah Lithuim Ion Battery (CXT-Series) – vertexpowertools
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
10.8V/12V 2.0AH For Makita Battery BL1041B BL1021 BL1020 Li-Ion With Charger Set | eBay