Amazon.com: BL1830 BL1840 Replacement 18V 6000mAh Battery for Makita 18V LXT Lithium-Ion BL1815 BL1830 BL1835 BL1840 BL1845 BL1850 BL1860 LXT400 Cordless Power Tools Battery : Tools & Home Improvement
Amazon.com: Ecarke Battery Adapter Converter for Makita 18V Li-ion Battery to for DeWalt 18V/20V DCB200 Li-ion Battery.Use for DeWalt 18V/20V Max Li-ion Cordless Power Tools : Tools & Home Improvement
2Pack 5.0Ah Lithium-ion BL1850B Replacement for Makita 18V Battery Compatible with Makita 18 Volt Battery LXT BL1815 BL1830 BL1830B BL1835 BL1840 BL1850 BL1860 BL1860B - - Amazon.com