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

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 ...

In 2019 and 2020, Duracell and Energizer sued each other in the Manhattan court over performance claims in ads for Duracell Optimum and Energizer MAX batteries. Both lawsuits were resolved and ...

Duracell objected to claims that Energizer MAX outlasts Duracell Power Boost batteries by 10%, "beats" Duracell, is "proven to last longer," and "Lasts longer. 'Nuff said." It said Energizer based ...

In its lawsuit, Duracell alleges Energizer’s new ad campaign falsely states its Energizer Max Batteries outlast Duracell ...

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

In its lawsuit, Duracell alleges Energizer’s new ad campaign falsely states its Energizer Max Batteries outlast Duracell Power Boost Batteries by 10%. Duracell alleges the sole basis for Energizer’s ...