Amazon.com: 18V 5.0Ah Lithium-ion BL1830 Replacement Battery for Makita BL1815N BL1820 BL1830 BL1840 BL1845 BL1850 BL1850B BL1860 BL1860B LXT-400 194204-5 Cordless Power Drill Tools Batteries : Tools & Home Improvement
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Amazon.com: MT20BSL Battery Converter Adapter for Makita 18V Li-ion Battery BL1830 BL1860 Used to for Bosch 18V Lithium 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