eli5, why can’t we have instant phone chargers?

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Hey guys, I don’t understand enough about electronics to answer this, but if my electricity at home is able to power a washing machine.
Should it not be possible to have like a super battery that goes 100% instant, and then release normal current to the phone until it’s charged? More like an instant power bank?

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14 Answers

Anonymous 0 Comments

Think of your battery as an above ground swimming pool. Once full, you have a large volume to slowly take water out as you need. The problem is… it takes a long time to refill.

Sure, filling it with a fire hose is a lot faster than a garden hose – but there is a limit. Try dumping in 1000 gallons all at once from a helicopter and you are going to have a bad time. It is dangerous, will damage the pool, and water will get everywhere!

The trick with batteries (and pools), is to have a large volume that you can quickly fill and store for later use. The technology is getting better, but there will always be limits and tradeoffs.

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