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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 a complaint filed in Manhattan federal court, Duracell, owned by Warren Buffett's Berkshire Hathaway, said it has suffered ...

Put a set of our Best Buy AA disposable batteries in your most power-hungry devices and they'll last more than three hours longer than the worst. For AAA batteries, our Best Buys last an hour and a ...

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 ...