Wikipedia
PowerFilm
PowerFilm, Inc. is an American manufacturer of flexible thin film solar photovoltaic (PV) modules, or solar panels, based in Ames, Iowa and is a provider of custom solar products for industrial, consumer and military remote power applications. PowerFilm's amorphous silicon (a-Si) thin-film solar modules are both built into solar charger products as well as sold to OEM integrators in a variety form factors.