Energy Focus, Inc., together with its subsidiaries, engages in the design, development, manufacture, marketing, and sale of energy-efficient lighting systems and controls in the United States and internationally. The company offers military maritime markets light-emitting diode (LED) lighting products, such as Intellitube and Invisitube retrofit LEDs; and military-grade LED fixtures comprising globe lights, berth lights, and high-bay kits to serve the United States navy and allied foreign navies. The company also provides energy-saving GaN power supplies for efficient power delivery; and energy storage systems (ESS) and uninterruptible power supply (UPS) products designed for AI data centers. In addition, it offers commercial products, including RedCap emergency backup LED tubes; LED retro…