Requirements
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| Part | Qty | Image | Notes |
|---|---|---|---|
| Battery Housing | 1 |
| AliExpress: |
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| 18650 Litium Ion Batteries | 10 |
| I had some of these kicking around. |
| Spot Welder | 1 |
| DIY Battery Spot Welder |
Specifications
Configuration: 5s2p
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Inside a Dewalt Knock-Off Battery
I had another battery pulled apart to fix the thermistor so here is what it looks like inside.
Build
Spot welded the batteries and wrapped in kapton tape.
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