Reading Solar Panel Labl

Commercial solar panels have 72 cells but they are much too big for residential roofs.

Reading solar panel labl.

Residential solar panels have 60 cells and so are about 3 feet wide by 5 feet tall. Right below the electrical ratings indicate the major performance output characteristics of the panel. The max power rating in watts that your solar panels are rated at is the figure that everyone quotes when talking about panel size. On the lower part of the label there are icons of all the certifications this specific panel has passed.

Any bigger than this and it would be difficult to install them on residential roofs where space can be an issue. Sw manufacturer solarworld 255 watt poly q cells q peak g4 1 product line of polycrystalline module 295. The example photo of a solar pv label indicates name and address of the manufacturer and the solar module type blackened. Here are a couple of examples.

It starts to get tricky when you move away from battery based solar systems and the 12v increments are no longer necessary. The solar panel description usually starts with the name of the manufacturer then the category of solar module and afterward the solar panel wattage. They have too high of a voltage to charge a 12v battery bank with a traditional charge controller but too low of a voltage to charge a 24v.