VARTA AG engages in the research, development, production, sale, and marketing of micro batteries and energy storage solutions. It operates through Microbatteries and Solutions; and Household Batteries. The Microbatteries and Solutions segment focuses in manufacturing of micro batteries for hearing aids, rechargeable batteries, and lithium-ion battery pack. The Household Batteries segment involves in the production of battery for end consumers including household batteries, rechargeable batteries, chargers, portable power or power bank, and lights. The company was founded by Adolf MÃ¼ller in 1887 and is headquartered in Ellwangen, Germany.