Warren Buffett’s Duracell sues Energizer over battery life claims

© Reuters. By Jonathan Stempel NEW YORK (Reuters) – Duracell, the battery unit of Warren Buffett’s Berkshire Hathaway Inc (N:), sued the maker of Energizer batteries on Tuesday, accusing it falsely advertising that its Energizer MAX batteries last up to 50% longer than other alkaline batteries. The lawsuit follows Energizer Holdings Inc’s (N:) own lawsuit […]

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