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
Amazon.com: Akkucore 18V 6000mAh Battery Replacement for Makita 18V BL1850B High Capacity Lithium-ion Battery Compatible with BL1860 BL1860B BL1850 BL1840 BL1840B BL1830 BL1830B BL1815 BL1815B LXT-400 4Pack : Tools & Home Improvement
MT20ML Battery Converter Adapter for Makita 18V/20V Li-ion Battery BL1830 BL1860 BL1815 for Milwaukee M18 Li-Ion Battery - - Amazon.com