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Can I use AA batteries with AAA batteries, 4 of each to get 12v to power a 12v motor that runs a fan?

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  • 1 month ago

    You CAN, but it is not a good idea.

    The smaller cells have higher internal resistance;

    therefore the maximum current available will be whatever they will pass.

    AAAs are really not suited for even a very small, very efficient fan.

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  • khalil
    Lv 7
    1 month ago

    yes but the AAA batteries will die sooner.

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  • 1 month ago

    Yes, but the AAA runs out first much shorter than the AA.

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