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Fortune
Fortune
Chris Morris

Battery behemoths battle: Duracell is suing Energizer over battery-life claims

A close-up of Energizer's MAX batteries, the subject of a Duracell lawsuit (Credit: Daniel Acker / Bloomberg—Getty Images)
  • Duracell has filed a lawsuit against Energizer. The battery companies are battling over Energizer’s claims that its Max batteries last 10% longer than Duracell. Duracell, which is owned by Berkshire Hathaway, says it has suffered “irreparable reputational harm” because of the ads. The companies have a long history of lawsuits against each other.

Warren Buffett is suing the Energizer Bunny.

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