[RFI] Anyone tested the Sunpower E-series 435 PV Panels?

[qrv at kd4e.com]

These are used but are said to be really well made and from the USA:

https://gogreenmansolar.com/product/sunpower-435-watt-mono-solar-panels-27-per-pallet-free-shipping/

On sale they seem a good deal but not if they're noisy.

Thanks,

David KD4E