DelSolar modules are identified by their high performance and excellent quality. Our mono- and poly- modules provide positive and tight power tolerances of 0 to +3%, offering a stable and high-energy system output. Higher efficiency leads to more power output and more saving on energy costs. With high efficiency solar cells, state-of-the-art manufacturing technology and long-term reliability proven by many international quality standard tests, DelSolar modules allow you to maximize the return on your investment.