Who Owns the Battery Market

Three Companies, Most of the World's Batteries

The global alkaline battery market is worth approximately $8 billion in 2026 and is projected to reach nearly $11 billion by 2034. Consumer batteries, the AA, AAA, C, D, and 9V cells found in television remotes, toys, smoke alarms, and flashlights, are a mature but resilient category. Despite the proliferation of rechargeable lithium-ion technology in smartphones and laptops, disposable alkaline batteries continue to see stable demand because of the billions of low-drain devices that do not justify a rechargeable solution.

The consumer battery market is one of the most oligopolistic in all of consumer goods. Three companies control the vast majority of global branded battery volume: Duracell (owned by Berkshire Hathaway), Energizer Holdings (NYSE: ENR), and Panasonic Corporation. Together these three, through their various brand holdings, account for an estimated 80% or more of consumer battery sales in the United States and similar dominance in Europe.

Duracell: Warren Buffett's Battery Brand

[Duracell](/brands/duracell) is the market leader in consumer batteries globally, with an estimated market share of over 18.5% globally and significantly higher in the premium segment of the US market. Duracell is owned by [Berkshire Hathaway](/companies/berkshire-hathaway), the conglomerate controlled by Warren Buffett.

The Duracell story involves one of the most unusual ownership transitions in consumer goods history. Duracell was originally part of Gillette Company. When Procter and Gamble acquired Gillette in 2005 for approximately $57 billion, Duracell became part of the P&G portfolio alongside Gillette's razor, Braun electronics, and Oral-B brands.

P&G held Duracell for nearly a decade but determined it was not a strategic fit for its core beauty, grooming, and household goods portfolio. In November 2014, P&G announced it would transfer Duracell to Berkshire Hathaway in exchange for Berkshire's $4.7 billion stake in Procter and Gamble stock. Rather than a cash transaction, P&G effectively swapped the battery brand for shares in itself held by Buffett. The deal closed in February 2016.

Berkshire Hathaway does not report separate financial results for Duracell. The brand operates as a standalone wholly owned subsidiary within Berkshire's diverse portfolio, which also includes GEICO, BNSF Railway, Dairy Queen, and See's Candies, among others.

Duracell's competitive advantages are well-aligned with Buffett's stated investment preferences: the brand benefits from extremely high consumer recognition, is the default battery choice in many retail environments, has durable market share despite decades of competition, and generates consistent cash flows from the sale of frequently repurchased consumable products.

Energizer Holdings: The Independent Public Player

Energizer Holdings Inc. is the world's second-largest battery company and the only pure-play consumer battery company that is publicly traded. Energizer trades on NYSE under ticker ENR.

[Energizer](/brands/energizer) batteries, known for their iconic Energizer Bunny mascot ("It keeps going and going"), compete directly with Duracell across the alkaline battery range. The brand was historically the dominant number-two behind Duracell and ahead of Rayovac in the US market.

[Rayovac](/brands/rayovac) is also owned by Energizer Holdings, making Energizer Holdings the parent of both the second and third most prominent consumer battery brands in the United States. Energizer acquired Rayovac, along with Spectrum Brands' battery business, from Spectrum Brands Holdings in 2019 for approximately $2 billion. The deal was initially challenged by the US Department of Justice, which required the divestiture of some battery categories and private-label business in Europe, but the core transaction was approved.

Rayovac is positioned as a value alternative to Energizer and Duracell, competing at lower price points in mass retail channels. The acquisition of Rayovac gave Energizer full-spectrum market coverage: Energizer at the premium end, Rayovac at value.

[Eveready](/brands/eveready) is an older battery brand name that is part of the Energizer Holdings portfolio, historically significant as a precursor brand to Energizer. Eveready continues to be used in some international markets.

Energizer Holdings reported net revenues of approximately $2.9 billion in fiscal year 2025. The company has used significant debt financing to fund its acquisitions of Rayovac and other battery and auto care brands, and its leverage ratio has been a key point of financial scrutiny for investors.

Energizer's auto care business, a separate portfolio acquired through the purchase of Spectrum Brands' auto care division in 2019, includes Armor All, STP, and A/C Pro brands and is operated alongside the battery business.

Panasonic: Battery Heritage and the Eneloop Story

Panasonic Corporation is the Japanese electronics giant listed on the Tokyo Stock Exchange (TSE: 6752) and one of the world's largest manufacturers of batteries, including consumer alkaline cells and, notably, rechargeable NiMH batteries.

Panasonic's Panasonic branded alkaline batteries are sold globally and compete in the mass market against Duracell and Energizer. In the United States, Panasonic's market share in standard alkaline batteries is lower than its Asian and European positions, where brand recognition is higher.

[Eneloop](/brands/eneloop) is Panasonic's premium rechargeable NiMH battery brand, widely regarded as the best consumer rechargeable battery available. Eneloop batteries, originally developed by Sanyo and acquired by Panasonic when it acquired Sanyo in 2009, are celebrated by audio enthusiasts, photographers, and electronics hobbyists for their low self-discharge rate, long cycle life, and consistent performance. In the rechargeable battery segment, Eneloop holds a premium position similar to Duracell's in standard alkaline cells.

Sanyo was acquired by Panasonic in 2009 for approximately $9 billion. As part of the integration, Panasonic absorbed Sanyo's battery manufacturing operations and the Eneloop brand. The Sanyo brand name has been largely phased out of consumer markets.

Private Label: The Growing Challenger

Private label batteries have captured a growing share of consumer battery purchases in North America and Europe, particularly through Amazon Basics (Amazon's own-brand batteries), Kirkland Signature (Costco), and retailer own-brands at major grocery and pharmacy chains.

Amazon Basics batteries are widely believed to be manufactured by Duracell, based on teardown tests conducted by battery enthusiasts that show identical internal construction. Amazon has not confirmed its battery manufacturer. If accurate, it means Berkshire Hathaway's Duracell is also manufacturing the batteries that compete with Duracell on Amazon's own platform.

Specialty and Lithium Segments

Energizer Ultimate Lithium is the leading consumer single-use lithium battery, offering significantly longer run time and better performance in extreme temperatures than standard alkaline cells. The product competes in a premium segment where Duracell and Panasonic also offer lithium variants.

Varta AG is a German battery company listed on the Frankfurt Stock Exchange (XETRA: VAR1) that holds a strong position in European consumer and industrial batteries. Varta is the manufacturer of most button cell batteries used in hearing aids and small electronics. The company has faced significant financial difficulties since 2023 related to its cylindrical rechargeable battery investment programme and competitive pressure from Asian manufacturers.

Brand Ownership Map

Frequently Asked Questions

Who owns Duracell? Duracell is owned by Berkshire Hathaway, the conglomerate controlled by Warren Buffett. Berkshire acquired Duracell from Procter and Gamble in a stock-for-assets swap that closed in February 2016. P&G had owned Duracell since its $57 billion acquisition of Gillette Company in 2005.

Who owns Rayovac batteries? Rayovac is owned by Energizer Holdings Inc., the publicly traded battery company listed on NYSE under ticker ENR. Energizer acquired Rayovac from Spectrum Brands Holdings in 2019 for approximately $2 billion. Energizer also owns the Energizer brand itself, making it the parent of both the #2 and #3 US consumer battery brands by recognition.

Did Berkshire Hathaway pay cash for Duracell? No. The Duracell acquisition was structured as a tax-efficient asset swap rather than a cash transaction. Procter and Gamble transferred Duracell to Berkshire Hathaway in exchange for Berkshire returning approximately $4.7 billion worth of P&G shares that Berkshire had held for decades. This structure allowed both companies to avoid large capital gains tax liabilities.

Who makes Amazon Basics batteries? Amazon has not disclosed its battery manufacturer. Independent testing by battery enthusiasts has produced evidence suggesting that Amazon Basics alkaline batteries are manufactured by Duracell, based on nearly identical internal construction. Amazon has not confirmed or denied this claim.

Explore Related Brands

• Duracell - Global premium battery leader, owned by Berkshire Hathaway
• Energizer - Independent public battery company, NYSE: ENR
• Rayovac - Value battery brand, also owned by Energizer Holdings
• What Brands Does Berkshire Hathaway Own - Full guide to the Berkshire brand portfolio
• Who Owns the Tissue and Paper Goods Market - Another P&G and Koch-dominated category

Browse all consumer electronics brands on WhoBrands

Sources

• GM Insights: Alkaline Battery Market — https://www.gminsights.com/industry-analysis/alkaline-battery-market
• Fortune Business Insights: Alkaline Battery Market 2026 — https://www.fortunebusinessinsights.com/alkaline-battery-market-103298
• Energizer Holdings Annual Report FY2025 — https://investor.energizerholdings.com
• Berkshire Hathaway: Duracell acquisition disclosure 2016 — https://www.berkshirehathaway.com
• Panasonic Corporation Annual Report FY2025 — https://holdings.panasonic/global/corporate/ir

All brand ownership data verified through WhoBrands.com research methodology. Last updated: March 25, 2026.