CNN —
America’s top battery brands are locked in a power struggle over battery life claims.
Duracell has filed a lawsuit against Energizer, accusing the rival battery maker of running a deceptive advertising campaign.
In a complaint filed in federal court in Manhattan on June 13, Duracell — which is owned by Warren Buffett’s Berkshire Hathaway — alleged that Energizer’s new ad campaign falsely states that its Energizer MAX batteries outlast Duracell Power Boost batteries by 10%.
The ad’s claims have caused Duracell to suffer “irreparable reputational harm, including the tarnishing
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