This free, downloadable B-roll footage from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy is for use by news media and education organizations. This high-resolution video features clips of a thin-film lithium rechargeable microbatteries at the National Renewable Energy Laboratory in Golden, Colorado, including researchers fabricating and testing thin film microbattery components, the surface analysis laboratory, a researcher using surface analysis equipment to study thin-film structures, and still images of thin-film battery samples.