The maker of Energizer batteries sued the maker of Duracell batteries on Monday, accusing Duracell of duping consumers by implying that its new "Optimum" AA and AAA batteries are more powerful and ...

Testing by MyBroadband revealed that Duracell Optimum batteries offer better performance than other alkaline batteries, but it is not significant enough to influence purchasing decisions. In July, ...

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 ...

NEW YORK (Reuters) - The maker of Energizer batteries sued the maker of Duracell batteries on Monday, accusing Duracell of duping consumers by implying that its new "Optimum" AA and AAA batteries are ...