For Makita 14.4-18V Li-ion Battery. (2)18V:BL1815/BL1815N/BL1820B/BL1830/BL1830B/BL1830B/BL1840/BL1850/BL1860B etc. 1850B/BL1860B, etc. For Milwaukee 18V Li-ion Battery. Compatible with Milwaukee 18V lithium batteries 48-11-1850, 48-11-1815, 48-11-1828, 48-11-1862, 48-11-1880, 48-11-1852, 48-11-1820.
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