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How many AA batteries does it take to take an 8-minute electric shower?

About 330 AA batteriesThat takes about 1,000 Wh, and one AA holds about 3 Wh.

It takes about 330 AA batteries.

How we worked it out

That takes about 1,000 Wh, and one AA holds about 3 Wh. Alkaline AA batteries, about 3 Wh each, and no energy lost on the way. Real life adds a little friction and waste, so treat the number as a solid ballpark rather than a lab result. The constants behind every experiment are on the science page.

Watch it happen

This was one of the five experiments in It Took #2. In the game you guess first, then the experiment plays out with your number: too few and it fails, too many and it overshoots.

Play It Took #2Play today’s experiments

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