Peplink Balance One: typical watts when running?

Our networking stack in on a UPS, so we are concerned about keeping the devices as low power as possible to give us the longest runtime in case of power failure.

Most of the low-end Peplinks say “15W” as the power use - I’m curious if anyone has taken actual measurements from a PepLink One and could share what a typical amount is in everyday usage?

Power consumption is 15W for the Balance One.