EnerSys engages in the provision of stored energy solutions for industrial applications worldwide. It operates in four segments: Energy Systems, Motive Power, Specialty, and New Ventures. The Energy Systems segment offers uninterruptible power systems (UPS) applications for computer and computer-controlled systems, as well as telecommunications systems; switchgear and electrical control systems used in industrial facilities and electric utilities, large-scale energy storage, and energy pipelines; integrated power solutions and services to broadband, telecom, data center, and renewable and industrial customers; and thermally managed cabinets and enclosures for electronic equipment and batteries. The Motive Power segment provides power solutions for electric industrial forklifts used in manufacturing, warehousing, and other material handling applications, as well as automated guided vehicles, mining equipment, and diesel locomotive starting and other rail equipment. The Specialty offers batteries for starting, lighting, and ignition applications in automotive and over-the-road trucks; and energy solutions for satellites, spacecraft, commercial aircraft, military land vehicles, aircraft, submarines, ships, and other tactical vehicles, as well as medical devices and equipment. The New Venture segment provides energy storage and management systems for demand charge reduction, utility back-up power, and dynamic fast charging for electric vehicles. The company also offers battery chargers, power equipment, battery accessories, and outdoor cabinet enclosures, as well as related after-market and customer-support services for industrial batteries. It sells its products through a network of distributors, independent representatives, and internal sales forces. The company was formerly known as Yuasa, Inc. and changed its name to EnerSys in January 2001. EnerSys was founded in 1991 and is headquartered in Reading, Pennsylvania.

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.

Enovix Corporation designs, develops, and manufactures lithium-ion batteries. It serves wearables and IoT, smartphone, laptops and tablets, industrial and medical, and electric vehicles industries. The company was founded in 2007 and is headquartered in Fremont, California.

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.

Flux Power Holdings, Inc., through its subsidiary Flux Power, Inc., designs, develops, manufactures, and sells lithium-ion energy storage solutions for lift trucks, airport ground support equipment, and other industrial and commercial applications in the North America. It offers battery management system (BMS) that provides cell balancing, charging, discharging, monitoring, and communication between the pack and the forklift. The company also provides 24-volt onboard chargers for its Class 3 Walkie pallet packs; and smart wall mounted chargers to interface with its BMS. It sells its products directly to small companies and end-users, as well as through original equipment manufacturers, lift equipment dealers, and battery distributors. The company is headquartered in Vista, California.

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.

Dragonfly Energy Holdings Corp. engages in the manufacturing and sale of deep cycle lithium-ion batteries for recreational vehicles, marine vessels, solar and off-grid residence industries, and industrial and energy storage markets. The company provides lithium power systems comprising solar panels, chargers and inverters, system monitoring, alternator regulators, accessories, and others. It also offers battery management systems for monitoring and controlling of battery systems and to protect battery cells from damage in various scenarios. The company provides its products under the Dragonfly Energy, Battle Born, and Wakespeed brand names. Dragonfly Energy Holdings Corp. is headquartered in Reno, Nevada.