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 .

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