DIY lead alum battery
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- เผยแพร่เมื่อ 2 ก.ย. 2017
- I made lead alum battery from jar sponge and lead that I salvaged from old sla battery ( • How to open and salvag... ) .battery voltage is 1.3v and I use it to power LED with joule theif for few hours.
- วิทยาศาสตร์และเทคโนโลยี
Is there a follow up to this with electrolyte or crystals and maybe some meaningful voltage?