Suitable for Makita 18V BL1830 3.0Ah 5.0Ah Li-Ion battery parts replacement Charging protection circuit board Label paper and LED battery indicator (PCB) - Amazon.com
18V Battery Protection Board Battery Chip PCB Board Charging Protection For Makita BL1830 BL1840 BL1850 LXT400 Repair parts
Makita BL1830 18v Battery Repair - YouTube
DIY: Repair Makita BL1830 Battery by Making One Good From Two Bad : 8 Steps (with Pictures) - Instructables
Repairing Makita BL1830 Battery - YouTube
1 Set 18V Battery PCB Circuit Board Charging Protection Fit For Makita BL1830 ST BL1860B LXT 400 Repair Assembly Battery Pac - AliExpress