This JA Solar 370w solar panel is assembled with multi-busbar PERC cells. The half-cell configuration of the modules offers the advantages of higher power output, better temperature-dependent performance, reduced shading effect on the energy generation, lower risk of hot spot, as well as enhanced tolerance for mechanical loading. Its finished in sleek all black this panel is an ideal solution for contemporary solar panel installation projects where aesthetic appearance is important. This panel also comes with a 12-year product warranty and a 25-year linear power output warranty.