America’s top battery brands are locked in a power struggle over battery life claims.Video below: Patagonia sues Maine retailer over counterfeit jacketsDuracell has filed a lawsuit against Energizer, ...

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 ...

(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 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 ...

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 ...