Get your own battery building kit Get my book - DIY Lithium Batteries: Or my other book - The Ultimate DIY Ebike Guide: .
Check it out at Check out my first book - The Ultimate DIY Ebike Guide: Or my second book - DIY Lithium Batteries: .
Exciting update to the 18650 battery building kit. Learn how to make your own battery with my book DIY Lithium Batteries: .
Get your own Vruzend kit at And don't forget to subscribe to Jehu's channel! You can get my DIY .
![](https://s2.save4k.ru/pic/FGurMv2b76o/maxresdefault.jpg)