How to Make a Coin Battery

Make your own battery using copper coins, vinegar, foil and cardboard. I had enough energy to power an LED with mine and also a TV remote! Really simple science project and easy to do yourself.

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[DIOBrando-urwe]

This actually makes sense. Overcharged metal ions separated by electrolytic solution with undercharged metal on the other side. Amazing

[lentoman]

Pretty cool, Dave! By the way, for those who didn't know, the word *battery* can be used to describe *an array of similar things*, which can be used for example to describe a group of similar artillery/cannons. After watching this video everyone can draw the conclusion that a battery is *an array of similar stacked cells*, but a lot of the batteries today are actually single cells instead.

[redtrychguy]

3:42 "Pretty cool, huh?"
DUDE THATS AMAZING

[DavidGuyton]

so to recharge this battery you would just need to soak it in vinegar?

[saidunnaharaitrcmirpur]

The copper serves as electrodes, aluminium foil as terminals and the vinegar is the electrolyte, Amazing idea!!👏👏👏

[guntruckfella]

I swear, this guy is going to make a perpetual-motion machine out of a toilet paper roll and a toothpick.

[lucaguitarplayer]

Alessandro Volta may be proud of you ❤️

[jjt]

All the dislikes are from battery manufacturers, they hate him.

[donsmith]

I should add, I have shown your Coke Truck video to like four or five friends and I have re-watched it several times!

[Adrianello]

When i´m broke, i´m going to mass produce these.

[mhmghb]

DO NOT clean collectible coins with vinegar and salt, it ruins the value

[GrillChefSteve]

This is one of the most underrated videos ever.

[hannahlouise]

I just found your channel about four days ago and I've already used so many of your videos! I love how thoroughly you explain everything!

[FloppydriveMaestro]

That is extremely useful my stupid tv has no buttons on it so if the batteries in the remote die I cant use the tv. Now I can. I wonder how long it will last?

[TomHardysCousin]

I really wonder what goes through someones head when the dislike a video like this. How mad at the world do you have to be to thumbs down a cool science project lol

[chloem]

Great video! How many coins do I need for a washing machine 🤔 inflation in the UK is getting kind of crazy 😂

[justinc]

This is something that Mr Krabs would do

[FelipeYudi]

Finally a pretty cool video! Thanks dave

[candyman]

I just made this! it is awesome! Dave you are awesome.

[vanyagerova]

Let's appreciate the YouTuber in his videos very well done 👍👍👏👏