Monocrystalline 144 halfcut cell series with multibusbar M6 cells is the
newest top efficiency series. Halfcut cells are split in two halves to improve the
performance and they are arranged in two parallel strings for a better managment
of shading. Featuring a 40 mm black anodized aluminium frame, it can
combine high robustness and visual attractiveness to conversion efficiency over 21 %.