Bonacell 6.0Ah Replacement Battery with 14.4V-18V Charger for Makita 18V Battery with LED Indicator Compatible with Makita BL1860B BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815 - Walmart.com
Amazon.com: Upgraded to 6.0Ah BL1850B Replacement for Makita 18V Battery Lithium Ion BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815 BL1815B LXT-400 with LED Indicator : Tools & Home Improvement
Makita BL1840B 18 Volt 4.0Ah Lithium-Ion Battery | Toolstop
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 4.0Ah with LED Charge Level Indicator (2-Pack) BL1840B-2 - The Home Depot