MaxPower is Canadian Solar’s series of robust solar panels with 72 solar cells. These panels have high system energy yield at low irradiance and low NOCT. Their stringent quality control system put Canadian Solar panels in the top ranking of California Energy Commission’s PVUSA Testing, leaving 12,471 other P-type silicon panels behind. The enhanced 40 mm frames ensure the robustness of Candian Solar panels for up to 5400 Pa load.

This model can come out in either 4BB or 5BB.

If you specifically need one or the other, please mention it in the quote.