Samsung SDI. 

Samsung SDI Co., Ltd. manufactures and sells batteries worldwide. The company operates through three segments: Chemicals, Electronic Materials, and Energy and Other. It offers small-sized lithium ion batteries used in laptops, tablets, mobile phones, wearable devices, power banks, power tools, garden tools, vacuum cleaners, e-bikes, e-scooters, and ignition products; energy storage systems used in base transceiver stations, as well as in residential, utility, commercial, and UPS applications; and automotive batteries. The company also offers electronic materials, including semiconductor products, such as spin-on hardmasks, spin-on dielectrics, and epoxy molding compounds; LCD products, such as polarizing films and color photo resist products; OLED products comprising evaporation materials and thin film encapsulation products; and photovoltaic paste products. In addition, it is involved in the manufacture and sale of rechargeable battery raw materials; and invests in new technology venture business. The company has a strategic alliance with AB Volvo to develop battery packs for Volvo Group's electric trucks. Samsung SDI Co., Ltd. was founded in 1970 and is headquartered in Yongin, South Korea.