JA Solar 550W Solar Panel (525-550 Watt)JA Solar 550W Solar Panel Overview The JA Solar 550W Solar Panel model JA JAM72 D30 550MB is a high performance bifacial solar module designed to deliver superior energy output and efficiency. Built with 144 half cut monocrystalline cells and utilizing PERC technology, this panel is engineered to convert more sunlight into electricity, even under low light conditions. With a rated power output of 550W and a module efficiency of 21. 2%, it is ideally