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 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 ...

In a battle of the batteries, Duracell has sued Energizer, accusing its rival of crossing the positive line and misleading consumers in a nationwide TV and online ad campaign about whose batteries ...