Using salvaged cells this only cost me $16USD in components to repack my old batteries.
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Buy your own kWeld kitset from here:
Rest of the world: https://www.keenlab.de/index.php/prod...

Australasia:
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Information provided in this video is for educational purposes only.
If you attempt to recreate/replicate anything you’ve seen in this Or any other video, you’re doing so at your own risk.

- Schematix -

Song:
Track: Jumping of the Porch — Broke In Summer [Audio Library Release]
Music provided by Audio Library Plus
Watch:    • Jumping of the Porch  — Broke In Summ...  
Free Download / Stream: https://alplus.io/jumping-porch