Kendrickwrote a review of Garmin Vector 3 Power Meter Pedals on March 26, 2019
Familiarity: I've put it through the wringer
I've had two pairs of Garmin Vector 3 (left and right power meters). I've tried all the service bulletins, including adding baby oil to the battery contacts every time I change them ... I can't make this up. Garmin has warranty replaced the battery doors, and again, the entire pedal set with the newer version. Still, the power drop outs/disconnects continue. It seems this is a design defect where the batteries still jiggle inside the pedal and causes power disconnects, especially from the right-to-left pedal Bluetooth bridge. You can solve this by permanently disabling the right pedal and use the left one on ANT+ only, but then you just paid $999 for a very heavy paperweight.
Garmin refused to give me a refund, even after the second pair of warranty pedals kept disconnecting.
I got the Assiomas and they are not only cheaper, but they are lighter, made better, look good, spin far more smoothly (the Garmin Vector 3 pedals spin like there is glue inside), and basically just work.