50W 18V Solar Panel with Built-in 12V PWM Controller + SAE Connection Cable 2…
50W Mono Solar Panel Specifications Rated Power：50W. Outstanding Performance of N-type Solar Cells Low attenuation: The attenuation of N-type solar cells is even lower. The attenuation in the first year is ≤1%, and from the second year onwards, it is ≤0.4%.