Samsung SDI. 

Samsung SDI Co., Ltd. manufactures and sells batteries in South Korea, Europe, China, North America, Southeast Asia, and internationally. The company operates through Energy Solutions and Electronic Materials segments. 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; automotive batteries; and energy storage systems for use in residential, utility, commercial, UPS, and base transceiver station applications. In addition, the company provides 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; and OLED products comprising evaporation materials and thin film encapsulation products. Further, it manufactures and sells rechargeable battery raw materials; and invests in new technology venture business. Samsung SDI Co., Ltd. was incorporated in 1970 and is headquartered in Yongin-Si, South Korea.