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I'm a noob in raspberry pi and in engineering in general. I had an idea for a project but it requires it to be somewhat portable so I need to power the raspberry somehow. I read this article Where it says that it's possible but the rpi might be fried due to current spikes. I plan on powering it with AA batteries so do these have voltage or current spikes?

I also read on ups Hats that regulate the voltage and current but it's unavailable in my country

Thanks in advance

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    There is no such thing as a current spike. Having said that it is not feasible to power a Pi with AA cells.
    – Milliways
    Jan 9, 2021 at 1:52

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Batteries do not create voltage & current spikes any more than any other power source - no worries there. Your worry will be figuring how many batteries you need - how much energy you need really since it's a product of power and time.

It's my opinion that powering an RPi from small batteries is rarely practical, but I don't know what your project is, so I can't say it won't work. If you're interested in making some rather simple calculations to learn how many batteries you'll need for a time period, this answer may help you.

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