Longi launches new back-contact panel with 22,8% efficiency
Longi launches new back-contact solar panel with 22,8% efficiency Longi has launched a series of panels featuring a brand new hybrid passivated back-contact cell technology, with which it claims a maximum unit efficiency of 22,8% in mass production. It will initially offer the modules in 54, 60, 66 and 72 cell formats, targeting [...]