Duracell, the battery unit of Warren Buffett's Berkshire Hathaway Inc , sued the maker of Energizer batteries on Tuesday, accusing it falsely advertising that its Energizer MAX batteries last up to 50 ...

(CNN) — 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 filed a lawsuit against Energizer. The battery companies are battling over Energizer’s claims that its Max batteries last 10% longer than Duracell. Duracell, which is owned by Berkshire ...

The makers of Energizer and Duracell batteries have ended two lawsuits accusing each other of advertising false claims to consumers about battery life.

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 ...