Longi has announced it will release a new solar module for rooftop. The Hi–RO Onyx panel is based on monocrystalline half-cut cells and has a power conversion efficiency of 22.2%.
The module is available in a full–black version with a power output of 390 W, and a standard solution with an output of 400 W. It features a temperature coefficient of -0.29% per degree Celsius and annual linear degradation over 25 years is guaranteed to be a maximum of 0.5%.
Source: pv-magazineLongi