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Ever wanted to make a battery but didn't have the time or the parts? Well here you go. You can literally make this in 5 minutes with only ...
Not much is needed for this instructable, but you will need:A film canister (or similar container)Aluminium FoilTissue paper or kitchen rollCarbon rod (Pencil led or battery rod)Electrolyte (Salty ...
The cathode is the negative terminal of the battery. For us, it is made of aluminium foil. Start by cutting a strip of foil just slightly shorter than ...
The positive 'side' of our battery will consist of a carbon rod surrounded by electrolyte. The carbon rod is the hardest part to get right, as it needs ...
Now we have to fill the battery. Start off mixing up some electrolyte. Keep adding salt to warm water until no more will dissolve. Keep stiring it and ...
Now we just have to feed the two wires out the lid. Puncture two holes it the lid with the scissors and feed the wires through.Pull the wires ...
The final step is to test it out. We need a multimeter to test the battery accurately, but if you want to check it works without a multimeter, ...
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