Duracell, the company known for its copper-and-black-colored batteries, is suing rival Energizer, known for its bunny mascot, over what it claims is a "confusing and misleading" television and online advertising campaign.

The complaint, which Duracell filed in federal court in Manhattan last week, took fault with Energizer's statement in a new ad campaign that Energizer Max batteries last 10% longer than Duracell Power Boost batteries.

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Duracell claims that Energizer only took one industry standard into account when making the statement, and that battery performance is also determined through other standards.

Duracell claims to have suffered "irreparable reputational harm" due to the ad campaign, which Energizer launched earlier this month on TV, YouTube, Facebook, and........

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