Original Battery for Toshiba Portege and Tecra Laptops PA3176U-1BRS - Original Battery for Toshiba 3. Li-Ion Original Battery for Toshiba. Toshiba Part Numbers: PA3176U-1BRS, PA3176U, P000344440, G71C00002210. Compatible Toshiba Models: Toshiba Portege : 4000, 4005, 4010, M100...