20 year warranty. The BP275 is made with 36 conventional single-crystal silicon cells, an anodized aluminum frame like the module above. Besides the cell, all other features are the same. This module is great where lower wattage is required, or high efficiency is not necessary. They have the same frame, and look like the BP590 above.
Stainless steel mounting hardware is provided.
You must supply appropriate anchor bolts. Stainless-steel mounting hardware is provided. Poles are not included. Mount for larger poles can be custom-made for additional cost. For corrosive environments, these racks can be made from stainless steel and anodized aluminum.