2Pack 18v BL1860B Replacement Battery 6.0Ah Compatible with Makita 18 Volt Battery Lithium ion BL1860 BL1850 BL1840 BL1830 BL1820 BL1815B LXT400 194204-1 with LED Indicator Cordless Power Tools - Amazon.com
18v LXT Battery Repair – Chip Reset By Ryan Flint – April 2013 Introduction The Makita range of battery power too… | Battery repair, Repair, Battery hacks
Repacking Makita 18v Lithium battery with New Cells (Save $$$'s) - YouTube
Makita 18V LXT Lithium-Ion Compact Battery Pack 2.0Ah with Fuel Gauge BL1820B - The Home Depot
9101 Makita® 9.6V Battery Rebuild Service – MTO Battery