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DIY: Repair Makita BL1830 Battery by Making One Good From Two Bad : 8 Steps (with Pictures) - Instructables
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BL1815 battery rebuild (Date code from July 2011) (No Star symbol) (kept the original BMS). : r/Makita
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Plastic Case Charging Protection Circuit Board Pcb For Makita 18v Battery Bl1840 Bl1850 Bl1830 Bl18 | Fruugo UK
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