2 battery gadgets,one of them is how you can charge the battery with dead batteries if you connect 5 dead batteries in serial.
Second easy and simple gadget is that you can make foam cutter
from 2 metal keys and wire.
music by teknoaxe
track:Vacation in the Cryptosphere - Synthwave
youtube link:https://www.youtube.com/watch?v=GrEwf...
download:http://teknoaxe.com/Link_Code_3.php?q...
Creators:Dzole&Deni;
2 Homemade Battery Gadgets ─ American Hacker
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