After watching the following youtube videos, I thought I'd start a thread that provides information for anyone who is interested to build their own battery pack for their ebike. Their big advantages to building your own battery pack. #1 - you know what you are buying in battery cells, #2 - price, #3 - you might be able to build one better constructed with better components, beyond just the battery cells
Spot Welding Copper Strips to 18650 Battery Cells
https://endless-sphere.com/forums/viewtopic.php?t=84680
DIY Battery Spot Welder - Demonstration & Explanation
No Spot Welder or Soldering Battery Building Kit from VRUZEND.com
DIY 48V 20Ah lithium battery without a spot welder using Maker Batteries
Spot Welding Copper Strips to 18650 Battery Cells
https://endless-sphere.com/forums/viewtopic.php?t=84680
DIY Battery Spot Welder - Demonstration & Explanation
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