Who Owns the Battery Market

Three Companies, Most of the World's Batteries

The AA battery in your television remote is almost certainly made by one of three companies. That is how concentrated this market is.

The global alkaline battery market is worth approximately $8 billion in 2026 and is projected to reach $11 billion by 2034. Despite the spread of rechargeable lithium-ion technology in phones and laptops, disposable alkaline batteries remain a stable, high-volume category. Billions of low-drain devices, from smoke detectors to children's toys to television remotes, do not justify rechargeable alternatives.

Three companies control the vast majority of global branded battery volume: Duracell (owned by Berkshire Hathaway), Energizer Holdings (NYSE: ENR), and Panasonic Corporation. Together they account for an estimated 80% or more of branded consumer battery sales in the United States. When we look at this category in our brand database, it is one of the clearest examples of oligopoly in all of consumer goods.

Duracell: Warren Buffett's Battery Brand

Duracell is the global market leader in consumer batteries, holding an estimated 18.5% of global market share and a larger portion of the US premium segment. It is owned by Berkshire Hathaway, the conglomerate controlled by Warren Buffett.

The ownership path was unusual. Duracell was originally part of Gillette Company. When Procter and Gamble acquired Gillette in 2005 for approximately $57 billion, Duracell came along as part of the deal, sitting inside P&G's portfolio alongside Gillette razors, Braun electronics, and Oral-B. P&G held it for nearly a decade but concluded batteries did not fit its core beauty, grooming, and household goods strategy.

In November 2014, P&G announced a transfer of Duracell to Berkshire Hathaway. The structure was not a cash sale. P&G handed over Duracell in exchange for Berkshire returning approximately $4.7 billion worth of P&G shares that Buffett had held for decades. The deal closed in February 2016 and was structured to avoid large capital gains tax liabilities for both parties.

Berkshire does not break out Duracell's financials separately. The brand runs as a standalone subsidiary alongside GEICO, BNSF Railway, Dairy Queen, and See's Candies. Buffett has publicly described Duracell in terms he applies to his favorite investments: strong brand recognition, consistent consumer repurchase, durable market share, and predictable cash flows.

Energizer Holdings: Owner of Both #2 and #3

Energizer Holdings Inc. (NYSE: ENR) is the world's second-largest battery company and the only pure-play consumer battery company that is publicly traded.

Energizer batteries, identified globally by the Energizer Bunny mascot, compete directly with Duracell across the alkaline range. The brand is the historical number-two US battery by market share.

Rayovac is also owned by Energizer Holdings, which makes the company the parent of both the second and third most recognized 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 US Department of Justice initially challenged the deal and required the divestiture of certain European private-label battery business before approving it.

The logic of owning both Energizer and Rayovac is straightforward: Energizer competes at the premium end against Duracell; Rayovac captures value-oriented buyers at lower price points in mass retail. Full-spectrum market coverage with two separate brands.

Eveready is also part of the Energizer portfolio, a historically significant brand that predates the Energizer name and continues operating in some international markets.

Energizer Holdings reported net revenues of approximately $2.9 billion in fiscal year 2025. The company used significant debt to fund its 2019 acquisitions, and its leverage ratio has been a consistent focus of analyst scrutiny. Energizer's auto care portfolio, also acquired in 2019 from Spectrum Brands, includes Armor All, STP, and A/C Pro and is operated alongside the battery business.

Panasonic: Battery Heritage and the Eneloop Story

Panasonic Corporation (Tokyo Stock Exchange: 6752) is the Japanese electronics giant and one of the world's largest battery manufacturers, producing both consumer alkaline cells and rechargeable NiMH batteries.

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 in Asia and Europe, where brand recognition is considerably stronger.

Eneloop is Panasonic's premium rechargeable NiMH battery brand and is widely regarded by electronics enthusiasts as the best consumer rechargeable battery available. Eneloop batteries were originally developed by Sanyo, which Panasonic acquired in 2009 for approximately $9 billion. The brand is known for its low self-discharge rate (retaining charge for years when stored), long cycle life of up to 2,100 recharges, and consistent performance across temperature ranges. Audio equipment users and photographers in particular treat Eneloop as the default rechargeable choice at its price point.

The Sanyo brand itself has been largely phased out of consumer markets following the acquisition.

Private Label: The Quiet Challenger

Private label batteries have taken a growing share of US and European consumer purchases, primarily through Amazon Basics, 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 by battery hobbyists showing nearly identical internal construction. Amazon has not confirmed this. If the assumption is correct, Berkshire Hathaway's Duracell is simultaneously selling premium-priced Duracell batteries and manufacturing the lower-priced Amazon Basics batteries that compete with them on the same platform.

Specialty and Lithium Segments

Energizer Ultimate Lithium is the leading consumer single-use lithium battery in the United States, offering longer run time and better cold-weather performance than standard alkaline cells. Duracell and Panasonic both offer competing lithium variants in this premium segment.

Varta AG (Frankfurt: VAR1) is a German battery company with a strong position in European consumer and industrial batteries. Varta manufactures most button cell batteries used in hearing aids and small electronics. The company has faced serious financial difficulties since 2023, driven by its cylindrical rechargeable battery investment program 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 originally acquired Duracell as part of its $57 billion purchase of Gillette Company in 2005.

Who owns Rayovac batteries?

Rayovac is owned by Energizer Holdings Inc. (NYSE: ENR). Energizer acquired Rayovac from Spectrum Brands Holdings in 2019 for approximately $2 billion, making it the parent company of both the #2 and #3 US consumer battery brands.

Did Berkshire Hathaway pay cash for Duracell?

No. The transaction was structured as an asset swap. Procter and Gamble transferred Duracell to Berkshire Hathaway in exchange for Berkshire returning approximately $4.7 billion worth of P&G shares it had held for decades. Both companies avoided significant capital gains tax liabilities through this structure.

Who makes Amazon Basics batteries?

Amazon has not disclosed its manufacturer. Independent testing by battery enthusiasts points to Duracell as the likely producer, based on near-identical internal construction. Amazon has not confirmed or denied the claim.

Explore Related Brands

• Duracell - Global premium battery leader, owned by Berkshire Hathaway
• Energizer - Independent public battery company, NYSE: ENR
• Rayovac - Value battery brand, 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 category where a few companies control the shelves

Browse all consumer electronics brands on WhoBrands

Sources

• GM Insights: Alkaline Battery Market. gminsights.com
• Fortune Business Insights: Alkaline Battery Market 2026. fortunebusinessinsights.com
• Energizer Holdings Annual Report FY2025. investor.energizerholdings.com
• Berkshire Hathaway: Duracell acquisition disclosure 2016. berkshirehathaway.com
• Panasonic Corporation Annual Report FY2025. holdings.panasonic

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