Makita 18V Battery Has Big Problem!

In this video I was solving the biggest Makita 18V battery problem once and for all. No more faulty dead cells inside and prolonged lifespan. Used components and more: - Cell Meter 8: - JST-HX 5s connectors: - Spade connectors: - iMax B6 V2 smart charger: - Adapter file for 3D printing: :6357342 18V Li-ion Makita Battery Protect Circuit Board: - Compact: - Balanced: Battery case for 9Ah battery: - With compact board: - With balancing board: DIY video of 9H Makita battery: