Enphase Energy, Inc., together with its subsidiaries, designs, develops, manufactures, and sells home energy solutions for the solar photovoltaic industry in the United States and internationally. The company offers semiconductor-based microinverter, which converts energy at the individual solar module level and combines with its proprietary networking and software technologies to provide energy monitoring and control. It also provides microinverter units and related accessories, an IQ gateway; IQ batteries; the cloud-based Enlighten monitoring service; storage solutions; and electric vehicle charging solutions, as well as design, proposal, permitting, and lead generation services. The company sells its solutions to solar distributors; and directly to large installers, original equipment manufacturers, strategic partners, and homeowners, as well as through its legacy product upgrade program or online store. Enphase Energy, Inc. was incorporated in 2006 and is headquartered in Fremont, California.

Energizer Holdings, Inc., together with its subsidiaries, manufactures, markets, and distributes household batteries, specialty batteries, and lighting products worldwide. It offers lithium, alkaline, carbon zinc, nickel metal hydride, zinc air, and silver oxide batteries under the Energizer, Eveready, and Rayovac brands; primary, rechargeable, specialty, and hearing aid batteries; and handheld, headlights, lanterns, and area lights, as well as flashlights under the Hard Case, Dolphin, and WeatherReady brands. The company licenses the Energizer, Rayovac, and Eveready brands to companies developing consumer solutions in solar, automotive batteries, portable power for critical devices, generators, power tools, household light bulbs, and other lighting products. In addition, it designs and markets automotive fragrance and appearance products, including protectants, wipes, tire and wheel care products, glass cleaners, leather care products, air fresheners, and washes to clean, shine, refresh, and protect interior and exterior automobile surfaces under the brand names of Armor All, Nu Finish, Refresh Your Car!, LEXOL, Eagle One, California Scents, Driven, Bahama & Co, Carnu, Grand Prix, Kit, and Tempo; STP branded fuel and oil additives, functional fluids, and other performance chemical products; and do-it-yourself automotive air conditioning recharge products under the A/C PRO brand name, as well as other refrigerant and recharge kits, sealants, and accessories. The company sells its products through direct sales force, distributors, and wholesalers; and various retail and business-to-business channels, including mass merchandisers, club, electronics, food, home improvement, dollar store, auto, drug, hardware, e-commerce, convenience, sporting goods, hobby/craft, office, industrial, medical, and catalog. Energizer Holdings, Inc. was incorporated in 2015 and is headquartered in Saint Louis, Missouri.

Eos Energy Enterprises, Inc. designs, manufactures, and markets zinc-based energy storage solutions for utility-scale, microgrid, and commercial and industrial (C&I) applications in the United States. The company offers Znyth technology battery energy storage system (BESS), which provides the operating flexibility to manage increased grid complexity and price volatility. Its flagship product is Gen 2.3 battery module. In addition, the company offers Z3 battery module that provides utilities, independent power producers, renewables developers, and C&I customers with an alternative to lithium-ion and lead-acid monopolar batteries for critical 3- to 12-hour discharge duration applications; battery management system, which provides a remote asset monitoring capability and service to track the performance and health of BESS and identify future system performance issues through predictive analytics; and project management and commissioning services, as well as long-term maintenance plans. Eos Energy Enterprises, Inc. is headquartered in Edison, New Jersey.

Electrovaya Inc. engages in the design, development, manufacture, and sale of lithium-ion batteries, battery management systems, and battery-related products for energy storage, clean electric transportation, and other specialized applications in North America. It offers lithium-ion batteries and systems for materials handling electric vehicles, including forklifts and automated guided vehicles, as well as battery chargers to charge the batteries; electromotive power products for electric trucks, electric buses, and other transportation applications; industrial products for energy storage; and power solutions, such as competencies in building systems for third parties. The company was formerly known as Electrofuel Inc. and changed its name to Electrovaya Inc. in March 2002. Electrovaya Inc. was incorporated in 1996 and is headquartered in Mississauga, Canada.

Ultralife Corporation, together with its subsidiaries, designs, manufactures, installs, and maintains power, and communication and electronics systems worldwide. The company operates in two segments, Battery & Energy Products and Communications Systems. The Battery & Energy Products segment offers lithium 9-volt, cylindrical, thin lithium manganese dioxide, rechargeable, and other non-rechargeable batteries; lithium-ion cells, multi-kilowatt module lithium-ion battery systems, and uninterruptable power supplies; and rugged military and commercial battery charging systems and accessories, including smart chargers, multi-bay charging systems, and various cables. The Communications Systems segment provides communications systems and accessories to support military communications systems, such as radio frequency amplifiers, power supplies and cables, connector assemblies, amplified speakers, equipment mounts, case equipment, man-portable systems, and integrated communication systems for fixed or vehicle applications comprising vehicle adapters, vehicle installed power enhanced rifleman appliqué systems, and SATCOM systems. This segment's military communications systems and accessories are designed to enhance and extend the operation of communications equipment, such as vehicle-mounted, manpack, and handheld transceivers. The company sells its products under the Ultralife, Ultralife HiRate, Ultralife Thin Cell, Ultralife Batteries, Lithium Power, McDowell Research, AMTITM, ABLETM, ACCUTRONICS, ACCUPRO, ENTELLION, SWE Southwest Electronic Energy Group, SWE SEASAFE, Excell Battery Group, and Criterion Gauge brands through original equipment manufacturers, and industrial and defense supply distributors. In addition, it sells its 9-volt battery to the broader consumer market through national and regional retail chains and online retailers. It serves government, defense, and commercial sectors. The company was incorporated in 1990 and is headquartered in Newark, New York.

Pioneer Power Solutions, Inc., together with its subsidiaries, design, manufacture, integrate, refurbish, distribute, sell, and service electric power systems, distributed energy resources, power generation equipment, and mobile EV charging solutions. The company operates through Electrical Infrastructure Equipment and Critical Power Solutions segments. The Electrical Infrastructure Equipment segment provides electric power systems that help customers effectively and efficiently protect, control, transfer, monitor, and manage their electric energy requirements. It also offers e-Bloc power systems, power systems, and circuit protective equipment related products. The Critical Power Solutions segment provides power generation equipment maintenance, repairs, remote monitoring, and equipment services, and EV charging solutions. This segment offers suite generator on a truck and power generation equipment, and repair, maintenance, and support services. Pioneer Power Solutions, Inc. serves utility, industrial, and commercial markets. Pioneer Power Solutions, Inc. was formerly known as Pioneer Transformers Ltd. and changed its name to Pioneer Power Solutions, Inc. in December 2009. The company was founded in 2008 and is headquartered in Fort Lee, New Jersey. Pioneer Power Solutions, Inc. operates as a subsidiary of Provident Pioneer Partners, L.P.

ESS Tech, Inc., an energy storage company, designs and produces iron flow batteries for commercial and utility-scale energy storage applications worldwide. It offers energy storage products, which include Energy Warehouse, a behind-the-meter solution; and Energy Center, a front-of-the-meter solution. The company was founded in 2011 and is headquartered in Wilsonville, Oregon.

Expion360 Inc. designs, assembles, manufactures, and sells lithium iron phosphate batteries and supporting accessories under the VPR 4EVER brand name. It provides battery monitors; direct current battery chargers; various models of industrial tie-downs; power generators AURA POWERCAP 600; terminal blocks; bus bars; e360 SmartTalk mobile application; and e360 lithium power bundle. The company also engages in the development of e360 Home Energy Storage systems. Its products are used for recreational vehicles, marine, golf, home energy storage, industrial, residential, and off-the-grid applications. It serves dealers, wholesalers, private label customers, and original equipment manufacturers in the United States and internationally. The company was formerly known as Yozamp Products Company, LLC and changed its name to Expion360 Inc. in November 2021. Expion360 Inc. was founded in 2016 and is headquartered in Redmond, Oregon.