Product FAQs:

Q: What is the efficiency of PowerFilm modules?
A: The overall efficiency of these solar panels is strongly dependent upon the module design configuration, since this determines the percentage of the area which is actually collecting sunlight. You can use 5% as a starting point. We have ongoing research and development programs to continue to improve the efficiency of PowerFilm modules. Note: There are widely varying standards for module efficiency numbers. We encourage you to test actual commercially manufactured modules on a consistent basis.

Q: What is the ideal temperature range for PowerFilm to be used in?
A: These solar modules are guaranteed to perform under normal atmospheric conditions. Optimal surface temperature is generally between 25 and 50 degrees Celsius. Remember, as with all solar modules, voltage output drops with increasing temperature.

Q: What is the life expectancy for PowerFilm modules?
A: The encapsulation of the PowerFilm module will determine the life expectancy of the encapsulated module.

Photovoltaic Semiconductor Device - No particular life expectancy limitation in protected environment.
Polyester Encapsulation - Limited to protected use (e.g., consumer electronics) or limited time outdoor use.
Tefzel/EVA Encapsulation - Best protection for permanent outdoor use. Tefzel is a registered trademark of DuPont.