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; and power storage systems, electric lights, and production systems for batteries. It also provides switching power supplies, DC-DC power modules, toners, and signal processing modules for LCDs. The company also exports its products. The company was founded in 1950 and is headquartered in Tokyo, Japan. FDK Corporation is a subsidiary of Fujitsu Limited.