Pico Calc batteries?

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@Rex

you can get them at any battery store

or in the any vape store if you need batteries more than money

PicoCalc 18650 battery advice?

My PicoCalc has been dispatched but I’m a complete amateur when it comes to 18650 batteries and am looking for some advice. I’ve seen other battery threads here but they mostly relate to other ClockworkPi products so I want to make sure my understanding is correct for the PicoCalc. From what I can see, 18650 batteries come in unprotected and protected form, with the protected units having some overcharge protection circuitry embedded in the cell. Other threads suggest the protected cells are sl…

https://forum.clockworkpi.com/tag/battery