Can the PV420 be used to charge the EB3A if you only expose 1 panel? I say no but someone is telling me it would be ok!
The OCV of PV420 is as high as 44.3V, which cannot charge EB3A (12-28V) and will cause the risk of burnout.
Using PV200 can perfectly match EB3A.
That was my point exactly!