The LL200-4.8-37 from PowerFilm Solar is an Amorphous Thin Film Silicon Solar Panel that has been designed to collect artificial lighting in indoor settings such as warehouses, offices, and retail spaces. It requires a DC voltage of 3.2 - 4.2 V and delivers an output power of up to 0.871 mW. This solar panel can be operated at 200 Lux and 1000 Lux with a maximum open circuit voltage of 7.4 V at both light levels. It is available as a module that measures 94.0 x 36.5 mm.