Toshiba PA2487UR replacement laptop battery by Amstron is made from the highest quality cells and parts. Amstron provides reliable, high performance replacement batteries for your Toshiba laptops. The LTO-19A is designed to be 100% manufacturer compatible with Toshiba OEM part numbers PA2487UR, PA2487UR-G, PA3107U-1BAS, and PA3107U-1BRS. This precision-engineered battery is designed for use in the Toshiba Satellite 1400, Satellite 1800, Satellite Pro 4300, and other series of Toshiba notebooks. • Chemistry: Li-Ion • Rating: 10.8Volts 4400mAh • Will Meet or exceed original specifications • Full 1 year warranty