this post was submitted on 02 Dec 2024
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Buy it for Life
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Where would you acquire the items to make your own, namely the battery, and what's the risk of killing myself trying this? Also would you be able to build in solar charging for this?
I was thinking something like this, it's very easy to assemble.
https://youtu.be/Pn0cmw5dKmk
18650 batteries are easy to source and cheap. You need a battery welder (either expensive or lively to burn out in one use - there seems to be no middle ground) chargers are also available. The hard problem is everything is marketd at electrical engineers who understand details of how to put circuits together. There are no trustworthy sources of do this or but this kit (at least not that I have found)
beware that mistakes will burn your house down and insurance won't cover it. That risk is why even though this should be easy I have not done it.