Amazon.com: Ahomtikk 2Pack 6.5Ah BL1860B Battery with DC18RD Dual Port Charger Replacement for Makita 18V Battery with LED Display and Battery Charger Combo for Makita 18V LXT-400 BL1830 BL1850 BL1840 : Tools
18V Battery Protection Board Battery Chip PCB Board Charging Protection For Makita BL1830 BL1840 BL1850 LXT400 Repair parts
Replacement 18V/3A Battery Chip PCB Board For Makita BL1830/1840 Repair board (S | eBay
1 Set 18V Battery PCB Circuit Board Charging Protection Fit For Makita BL1830 ST BL1860B LXT 400 Repair Assembly Battery Pac - AliExpress
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