MIDDLETON, Wis.--(BUSINESS WIRE)--Rayovac, a worldwide leader in battery power and innovation, introduces its highest-performing alkaline battery, FUSION. This month marks the official launch of this powerful battery, which lasts 35% longer than Energizer Max*. Rayovac’s new FUSION is developed to meet the growing power demands of today’s “Always On” consumer. “Rayovac’s FUSION delivers our most cutting-edge alkaline battery technology to the consumer at a compelling price,” said Dennis Sulliva