Wanna make 18650 Battery Packs? WATCH THIS FIRST!

All these years Ive been learning how to make battery packs and with every iteration I build a better 18650 Lithium ion battery pack every time. This, is my safest battery pack to date. I have shared with you my experience and knowledge of building 18650 battery packs from over the years. Hope you enjoy it. Nickel Strips: Fishpaper Orings Build your Spotwelder here: Here’s Lee’s channel: