SOLVED: How do I open them and cell replacement - Power Drill - iFixit
BL1815 battery rebuild (Date code from July 2011) (No Star symbol) (kept the original BMS). : r/Makita
Housing Shell+Circuit Board PCB Replacement Repair Parts for Makita 18V Battery | eBay
1820 Makita® 18V Battery Rebuild Service – MTO Battery
MAKITA LI-ION REPLACEMENT BATTERY | BATTERY REPAIR SHOP UK
Repair Makita BL1830 Battery By Making One Good From Two Bad - YouTube
Makita U.S.A. | Press Releases: 2020 MAKITA FACTORY SERVICE CENTERS REMAIN READY TO SERVE WITH NEW REPAIR OPTIONS
Amazon.com: Upgraded to 9.0Ah 1 Pack Lithium Ion Battery Replacement for Makita 18V Battery BL1860 BL1830 BL1840 BL1850 BL1850B LXT-400 with LED Indicator Compatible with All Makita 18V Cordless Power Tools :
Makita 18V NiCad Rechargeable Battery Rebuild Kit (Sub C 2.1A Full Size 1 5/8" Tall)