How to dissassemble Makita BL1830 Battery pack - YouTube
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DIY: Repair Makita BL1830 Battery by Making One Good From Two Bad : 8 Steps (with Pictures) - Instructables
18V 12Ah Akku 12000mah Li Ion Batterie Ersatz Werkzeug Akku für MAKITA BL1880 BL1860 BL1830 + 3A ladegerät|Rechargeable Batteries| - AliExpress
Makita BL1830 B Akku Li-Ion 18 Volt 3Ah mit LED Ladeanzeige, Makita 197599-5 Akkusystem LXT | BL1830 | 18,0 Volt | Makita | Akku für Werkzeuge | Akkus | Akkushop-Austria