FDK Corporation manufactures and sells batteries, rechargeable batteries, battery devices, and electronic components and devices in Japan. The company offers alkaline, Ni-MH, lithium, and carbon-zinc batteries; battery system, electric lights, manufacturing facilities and equipment, toners, and modules; and electronic components comprising switching power supplies, customized DC-DC power converters, and power supplies for digital terrestrial broadcasting. It is also involved in exporting activities. The company was founded in 1950 and is headquartered in Tokyo, Japan. FDK Corporation operates as a subsidiary of Fujitsu Limited.