I have a second solar panel on the west side of my unit, but it is not right up against the housing. I guess that may be a good thing, because the solar light that I took it off of had the panel in a plastic square case that is about 3/4" deep, and I just kept it in there and wired it to the existing single solar panel itself by soldering the wires to the blank spaces on the back of the acurite solar panel. I glued the edges of the case to the top west side of the 5 in 1.
The heat from the sun being created by the dark panels has to go somewhere, and the only escape is down toward the sensor.
The heat from the sun being created by the dark panels has to go somewhere, and the only escape is down toward the sensor.