How to disassemble recent Makita battery packs to salvage cells - YouTube
Housing Shell+Circuit Board PCB Replacement Repair Parts for Makita 18V Battery | eBay
Makita BL1830 18v Battery Repair - YouTube
Amazon.com: for Makita Battery 18V BL1830 BL1840 BL1850 LXT400 PCB Circuit Board with Battery Case Replacement No Cells Included 3A 4A 5A : Tools & Home Improvement
Melasta 14.4V 2.1Ah NI-CD Replacement Battery for Makita 1420,1422,1433,1434,1435,1435F, 192699-A,193158-3,192600-1
Makita – Power Tools Battery Pinouts – Laptop Battery Analyzer and Repair Forum