Have a Cordless Tool Battery Won't Recharge? You Can Fix That.
Secret Makita USB Charging Adaptor For 18V Batteries!! - YouTube
Replacement Power Tool Battery Charger for Makita 7.2V-18V 2.5A NI-CD&NI-MH Battery DC7100/DC1410/DC711/DC9700/DC9710/DC18RA/DC18SE - - Amazon.com
DIY Charge any cordless tool/drill battery without a charger using Turnigy balance charger - YouTube
How to Charge a Cordless Drill Battery Without a Charger: A 3-Step Guide | Home Daily
Amazon.com: 7A DC18RC Replacement Charger for Makita 18 Volt Charger Rapid Battery Charger Compatible with Makita 14.4V-18V Li-ion Battery BL1415 BL1430 BL1815 BL1820B BL1830B BL1840B BL1850B BL1860B : Tools & Home Improvement
Amazon.co.jp: Gakkiti Makita Charger, DC18RF, 14.4 V - 18 V, Compatible Product, 14.4 V / 18 V Li-ion Battery, USB Terminal, USB Port for Charging Smartphones, Can Charge Smartphones, BL1430, BL1440, BL1450,