JA Mono 550W MBB Bifacial PERC Half-cell Double Glass Solar Panel 530W 540W 545WModule For Europe Market.Assembled with MBB bifacial PERCIUM cells and hall-cell configuration, thesedouble class modules have the capablity of converting the ncident lght from the rear side together with the fronl side into clectriciy, providing higher output power, lower temperature coefficlent, loss shading loss, as well as enhanced tolerance for mechanical-loading.