Founded in 1896 as the American Electrical Novelty & Manufacturing Company, Energizer Holdings is a manufacturer of batteries and personal-care products. Headquartered in Town and Country, Missouri, the company today is best known for its Energizer brand of batteries and the famo ... Read More us Energizer Bunny mascot. Energizer carries a number of batteries including everyday-use alkaline, hearing aid, miniature alkaline, performance lithium, rechargeable, specialty lithium photo, and watch and electric batteries. Energizer also sells power devices such as USB chargers, wireless chargers, portable chargers, and gaming chargers, as well as flashlights and household lighting. In addition to batteries, power, and lighting, Energizer offers cables, mobile headsets, and surge protectors.