How much should my voltage bounce in MP?

Trying to figure out if I have a jacked up power module. I have calibrated mission planner using a watt meter. But when I'm at idle with the motors spinning my voltage is all over. My watt meter will read a steady 16.4v but mission planner is showing between 14 and 16v and bouncing all over every second or two. Is it likely my power module is bad or something else? Or is this just normal?

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  • Not sure what the issue is, but that doesn't sound normal.

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