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
Amazon.com: Upgraded to 6.0Ah BL1860B Replacement Battery Compatible with Makita 18V Battery Lithium Ion BL1860 BL1850 BL1850B BL1840 BL1840B BL1830 BL1830B BL1815 BL1815B LXT-400(Black) : Tools & Home Improvement
Amazon.com: 4 Pack BL1860B 18 Volt 6.0Ah Replacement Battery Compatible with Makita 18V Lithium ion Battery 1860 BL1850 BL1840 BL1830 BL1820 BL1815B LXT400 194204-1 with LED Indicator Cordless Power Tools(Black) : Tools
Makita Battery Repair BL1830 - YouTube
DIY: Repair Makita BL1830 Battery by Making One Good From Two Bad : 8 Steps (with Pictures) - Instructables
Lithium Ion Battery Circuit Board for Makita BL1830(18V 1.5Ah/3.0Ah/6Ah) : Electronics - Amazon.com
18V Battery Protection Board Battery Chip PCB Board Charging Protection For Makita BL1830 BL1840 BL1850 LXT400 Repair parts
Makita BL 1830 Battery Repair: Fusible Link Repair
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