Repacking Makita 18v Lithium battery with New Cells (Save $$$'s) - YouTube
Amazon.com: SUnMilY for Makita 18v Battery, 6.0Ah Replacement Lithium Batteries Compatible with Makita Battery 18V BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815B (4 Pack) : Tools & Home Improvement
Amazon.com: BL1860B & DC18RC for Makita 18V Battery and Charger 6.0 AH Combo, Replace BL1860 BL1850 BL1840 BL1830 BL1815 BL1820 : Tools & Home Improvement
Amazon.com: 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 :
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 5.0Ah with Fuel Gauge BL1850B - The Home Depot
Battery Case Plastic Lithium Ion Battery Cover Parts Replacement Circuit Board Repair Kit For Makita 18v Bl1830 B L1840 Bl1850 - Power Tool Accessories - AliExpress
BL1815 lithium ion battery case PCB LED indicator for Makita 18V 1.5Ah 3.0Ah case, broken battery plastic case circuit board replacement repair kit parts (no battery) (PCB) - - Amazon.com