SOLVED: How do I open them and cell replacement - Power Drill - iFixit
Amazon.com: JunYouCaiKJ BL1890 Lithium ion Battery case PCB housing case for Makita 18V 6.0Ah 9.0Ah Sticker Label, Broken Lithium ion Battery Cover Parts Replacement Repair kit Parts (no Battery) (Box) : Tools
DIY: Repair Makita BL1830 Battery by Making One Good From Two Bad : 8 Steps (with Pictures) - Instructables
Makita BL 1830 Battery Repair: Fusible Link Repair
Amazon.com: 20 x 18650 Li-Ion Battery Pack for Lomvum Zhipu Hongsong Jingmi for Makita 18V Battery, Broken Battery Plastic case Circuit Board Replacement Repair kit Parts (PCB) : Tools & Home Improvement
Askoteck 18V 9.0Ah Direct Fit Plastic Case with PCB for Makita, Broken Battery Plastic Case Circuit Board Replacement Repair Kit Part(No Battery Cell Included)… : Amazon.ca: Tools & Home Improvement
BL1815 battery rebuild (Date code from July 2011) (No Star symbol) (kept the original BMS). : r/Makita