@cotedan, since the SPA is hardly doing any charging at night, that circuit is not ‘firing’ during those hours and therefore not causing the false lightning… The AIR is running off the SPA battery then.
–Sam
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Ya makes sense. I also figure the almost constant 3.3 volts day and night just means the Air consumes very little power day and night. Lots of stories of two or more years with batteries in the Air. Figure I should be good for a couple decades with the solar attached :).
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Update. Moves the Air/Solar back to mostly shaded area. The Air was inside a shield, but the shield was attached directly to my deck. Thus heat.
The whole thing is now facing west but receives only partial sun in the afternoon. Excess heat problems gone.
Looking forward to seeing how the solar panel does during winter in lower light conditions. Also have turned off lightning det croons because the solar panel was producing dozens of errors per day.
Update on Air + Solar … for the past couple weeks, very steady day and night at 3.3v. Working perfectly although many false lightning strike detections. Sited in a modified Ambient shield (as above) on north side of deck facing west - gets very little direct sun.
Today for no known reason, voltage started creeping up and its now the same as my Sky at 3.5v. No lightning detections since the voltage started rising at 8:30 am today.
Very happy camper here. Let’s see how the voltage holds up. Unsure why today it suddenly started climbing to 3.5v but that makes my day 
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