Makita 18V LXT Lithium-Ion Battery 5.0Ah (2-Pack) and 18V LXT Battery 5.0Ah (2-Pack) with bonus 18V LXT Battery 5.0Ah (2-Pack) BL1850B-2-18502 - The Home Depot
6.0Ah Replace for Makita 18V Battery BL1860B, Ultra High Capcaity Compatible with Makita 18 Volt Lithium Battery BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B with Battery Holder 2 Pack, Black
For Makita 18V LXT400 Lithium Ion BL1860B BL1830 BL1850B 2X5.0Ah Battery(with LED) + 1X Charger - Walmart.com