This type of module is commenly use for the small off-grid system. FEATURES: 1. High quality guarantee using 156 mm high conversion efficiency crystalline silicon solar cells. 2. High performance bypass diodes minimize the power drop caused by shade 3. High transmittance, low iron tempered glass; High performance EVA; A weatherproof back sheet and sandblast electrophorus is aluminum frame extend the application of modules greatly 4. 25-year limited warranty on power output and performance 5. Sealed, waterproof, multi-functional junction box gives high level of safety.