The Energizer Battery Company site. Find batteries in all sizes, flashlights and other lighting products. Learn the history of the battery and try a battery science project. Find a career at Energizer. Access investor and company information, history andThe Energizer Battery Company site. Find batteries in all sizes, flashlights and other lighting products. Learn the history of the battery and try a battery science project. Find a career at Energizer. Access investor and company information, history and