Looking for ideas to mount coin battery holder to nrf52840-dongle.

Hi, I ordered the  nrf52840-dongle, but instead of using the USB or external battery to power, I am interested in connecting to a coin battery such as CR2032. I ordered a battery holder, https://www.adafruit.com/product/1870

My question is, do I just wire it directly to the 3v pin or do I need some regulator stuff in between?  Any other solutions? Thanks!

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