Forum Discussion
time2roll
Dec 01, 2019Nomad
Panels are basically a commodity so you are shopping by price and size. The physical size must fit the open space on the roof without much shade from the other vents, antenna, or air conditioner. Even a small shadow on one cell can reduce the entire panel output 30% to 80% or more.
You also need a controller. If you get 12v panels and connect in parallel then a low cost PWM controller is fine. For 24v panels or anything wired in series you will need an MPPT controller to correct the voltage.
Ratings and specs need to match the equipment. Otherwise it is plug and play.
You also need a controller. If you get 12v panels and connect in parallel then a low cost PWM controller is fine. For 24v panels or anything wired in series you will need an MPPT controller to correct the voltage.
Ratings and specs need to match the equipment. Otherwise it is plug and play.
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