This 165W solar cell has excellent performance characteristics even in low light conditions (good output even without direct sunlight!) and higher efficiency (approx 20% compare with other solar panels are only 13% on the market) and reliability compared to many other solar cells. Its 165W delivers up to 50% more power per unit area than conventional solar panels. Its made of an attractive, stable & heavy duty anodized aluminum frame with low iron tempered refraction glass. It has a panel built with standard junction box which is pre-cabled with fast-connecting systems.