In a complaint filed in federal court in Manhattan on June 13, Duracell — which is owned by Warren Buffett’s Berkshire ...

Duracell has filed a lawsuit against Energizer. The battery companies are battling over Energizer’s claims that its Max ...

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 ...

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

Duracell alleged that the sole basis for Energizer’s 10% claim is a comparison of the two brands’ AA batteries under one industry standard, but battery performance is also measured by other ...