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Strictly speaking, your regular cylindrical D battery isn't a battery, but a cell.

A battery is when you string several cells together.

And cells and batteries always give DC - direct current.

So it doesn't matter how many you stack together, you won't get any AC, alternating current out of them anyhow.

Easiest way to 120VAC is probably to make a 12V battery out of eight D cells, and then run a 120V inverter from them.

Inverters are often used in cars, RVs and such to provide AC power from a DC source. Don't expect the battery to last very long though.

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Q: How many d batteries does it take for 120 input vac?
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