Alternative Ruuvitag battery / power source?

I’m thinking of powering a Ruuvitag with a LiFePo4 cell. The difference between LiFePo4 3.2 V and the 3.0 V nominal voltage of CR2032 cell is not much, so there should not be any problems in this case (right?). How much over voltage can the tag take?

Has anyone tried other power sources?

RuuviTag tolerates voltages 1.8 - 3.6V and LiFePO2 should work okay :ok_hand:t3: