PowerFilm, Inc. is an American electronic component manufacturer founded in 1988 and headquartered in Ames, Iowa. The company specializes in the design and production of flexible thin-film amorphous silicon (a-Si) solar panels. Core business areas include custom solar solutions for portable electronics, remote power systems, and low-light energy harvesting. Its major product series include the Classic line for outdoor charging, the WeatherPro series for durability, and the Indoor Light series optimized for indoor IoT sensor applications. PowerFilm also offers foldable solar chargers, OEM modules, and military-grade photovoltaic laminates. A proprietary roll-to-roll manufacturing process enables lightweight, bendable, and rugged solar cells. The company holds a niche leadership position in flexible energy harvesting components, serving defense, industrial, and consumer markets. While not a top-ranked semiconductor firm, it is a key innovator in thin-film solar for electronic devices. Its technology is widely adopted in wireless sensors, GPS trackers, and off-grid communication equipment.