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
Repair Makita BL1830 Battery By Making One Good From Two Bad - YouTube
1834 Makita® 18V NiMH Battery Rebuild Service – MTO Battery
Makita 18V NiCad Rechargeable Battery Rebuild Kit (Sub C 2.1A Full Size 1 5/8" Tall)
Amazon.com: LaiPuDuo Battery Replacement Plastic Case for Makita Battery 18V BL1830 BL1840 BL1850 LXT400 PCB Circuit Board Replacement No Cells Included 3A 4A 5A : Tools & Home Improvement
Makita Replacement 18V 3000mAh Ni-CD/Ni-MH Power Tool Battery Pack - China Makita, Battery Pack | Made-in-China.com
BL1815 battery rebuild (Date code from July 2011) (No Star symbol) (kept the original BMS). : r/Makita
18v battery rebuild suggestions : r/Makita
Ni-CD 18 Voltage 2.0ah Rechargeable Power Tool Battery Pack Replacement for Makita 1822 1834 PA18 Battery - China Makita Battery and Power Tool Battery Pack price | Made-in-China.com