ELI5: Explain Like I'm 5

Ampere hour

Okay kiddo, an ampere hour is like measuring how much water you have in a bucket by looking at how much you can fill up a smaller cup with the bucket of water.

In electricity talk, an ampere is the unit used to measure how much electricity is flowing through something, like a wire or a battery. Just like a faucet controlling the flow of water.

So, if you have a battery that has 1 ampere flowing through it for 1 hour, it's like having a full bucket of water and pouring that much water into a smaller cup. That cup would hold 1 ampere hour.

If the battery had 2 ampere flowing through it for 1 hour, it's like pouring twice as much water into the smaller cup, so that cup would hold 2 ampere hours.

And just like the amount of water you can pour into a smaller cup from a bucket changes depending on how full the bucket is or the size of the cup, the amount of ampere hours a battery can hold can vary depending on its size and how much electricity it can store. Does that make sense, kiddo?
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