I Solved the Biggest Makita 18V Battery Problem!

Опубликовано: 18 Май 2026
на канале: Well Done Tips
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Bambu Lab Printers #bambulab #bambulabx1c: https://tidd.ly/4738qiR
Maker world site with a ton of models: https://makerworld.com

I’ve got a pile of faulty Makita 18V batteries - blinking LEDs, locked BMS boards, totally lifeless. To diagnose and revive them, I built a tiny $5 Arduino tool called OBI that plugs straight into the battery, reads hidden data, and unlocks error codes with one click.

Makita 18V battery repair video part 2:    • Fixing Locked Makita 18V Batteries!  

🔥 All 3D print files are available for FREE on MakerWorld to download and print: https://shorturl.at/W719g

🛠️Used parts:
Arduino Nano: https://shorturl.at/CDrs5
Makita charger connector: https://shorturl.at/FXyoS
Spade terminals: https://shorturl.at/iqGX7
4,7k ohms 0.25W resistors: https://shorturl.at/FKcI7
M7AC charger: https://shorturl.at/OCfbv

OBI Project on GitHub (by Martin Jansson): https://shorturl.at/OhR8t
Makita battery charging adapter video - https://shorturl.at/oITaO

Social media:
  / welldonetips  
  / welldonetips_  

💬 Got questions or ideas for the next build? Drop them in the comments!