Varta AG, through its subsidiaries, engages in the research, development, production, and sale of micro and household batteries, large-format batteries, battery solutions, and energy storage systems in Europe, Asia, North America, and internationally. It operates in three segments: Consumer Batteries, Embedded Batteries, and Power Batteries. The Consumer Batteries segment offers alkaline batteries, including rechargeable batteries, chargers, portable power (power banks), and lights. The Embedded Batteries segment offers zinc-air batteries under the power one and ecopack brands for use in microbatteries and hearing aid devices; and lithium-ion battery solutions for use in wireless headphones (hearables), and wearables, which include medical devices to measure hypertension (high blood pressure), blood sugar, and other bodily functions. The Power Batteries segment offers energy storage systems and solutions, such as wall-mounted VARTA pulse neo and VARTA flex storage for home and mass storage markets; battery and rechargeable battery packs (lithium-ion battery packs) for original equipment manufacturers (OEMs) customers in various markets; and lithium-ion round cells for industrial and original equipment manufacturers (OEMs). This segment also focuses on solutions for portable industrial applications, communications devices, electric power tools, devices used in medical applications, and devices for use at home and in the garden. The company was founded in 1887 and is headquartered in Ellwangen, Germany. Varta AG operates as a subsidiary of Montana Tech Components AG.