The Solara Power M series has been specifically designed for long-term use under extreme conditions such as heat and humidity. The products are the number one on the market in terms of performance, flexibility and their ability to withstand people walking on them. An extremely high daily yield at an efficiency of 22 % is achieved by using mono-crystalline cells with reverse contact. Optimum low light response. Includes an external cell protector with bypass diodes to prevent cell overheating.