Vruzend V4.0 kit: Building a DIY 18650 battery (no welds!)
Video by EbikeSchool.com via YouTube Go to Source Kits available at: https://www.kickstarter.com/projects/1047653351/diy-battery-building-kit-a-no-weld-18650-solution My book "DIY Lithium Batteries" on sale at http://amzn.to/2jbxvzS My book "Ultimate DIY eBike Guide" on sale at:…
