Coulee Limited (Couleenergy) is a leading manufacturer of solar products and creators of energy-saving designs for residential, commercial, and industrial applications. Couleenergy solar modules have been continuously contributing clean energy to our planet. As a recognized innovator, our success in production, technological development, quality control, and product performance distinguishes us as one of the most reliable solar companies in the world. Couleenergy solar panels are subjected to over a dozen of individual tests and inspections. Testing includes: 1. High Temperature and High Humidity Test. 2. UV Degradation Test. 3. Steel Ball Falling Test. 4. Accelerating Aging Test. 5. Performance Attenuation Test. 6. EL Test. 7. Outdoor Exposure Test. 8. Wind Load Test (IEC61215 TÜV standard). 9. Waterproof test (IEC61730 TÜV standard). 10. PID Resistance Test. 11. Ammonia Resistance Test. 12. Salt Spray Resistance Test. 13. Crosslinking Degree Test, etc. Featured Products: Mono Solar Panel (PERC 158.75mm) All Black Mono Solar Panel Small Solar Panel Flexible Solar Panel Custom Solar Panel Solar Security Light