Add Yahoo as a preferred source to see more of our stories on Google. Energizer brand batteries sit on display in a supermarket in Princeton, Illinois, U.S., on Wednesday, April 30, 2014. (Daniel ...

Duracell has claimed rival Energizer's new ad campaign caused the company to suffer "irreparable reputational harm." - John Thys/AFP/Getty Images America’s top battery brands are locked in a power ...

(CNN) – Duracell is suing Energizer, accusing the rival battery maker of running a deceptive advertising campaign. In its lawsuit, Duracell alleges Energizer’s new ad campaign falsely states its ...

Duracell filed a complaint in federal court in Manhattan last week over Energizer’s claim in an ad that its Max batteries last longer than Duracell Power Boost batteries. Energizer and Duracell ...

Warren Buffett is suing the Energizer Bunny. Battery maker Duracell, which has been owned by Buffett’s Berkshire Hathaway since 2014, has filed suit against Energizer, saying the rival battery maker ...

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 ...

NEW YORK - Duracell has sued Energizer, accusing its rival of misleading consumers in a nationwide TV and online ad campaign about whose alkaline batteries last longer. In a complaint filed in ...