Through special cell black treatment and machine selection, aesthetics and excellent cell color control are taken into consideration when designing. The thinner wires are completely black from a distance. These solar panels can generate huge amounts of energy even in a limited space. Up to 405W, 21.1% module efficiency. The power above 65W is only 6 cm higher than conventional products. Designed to be compatible with existing mainstream optimizers, inverters and installations system. Perfect size and low weight. Easy to handle. Transport economy. Flexible system deployment.