This is a Brand New Li-Ion Original Battery for Toshiba. Toshiba Part Numbers: PA3001U-1BRM, PA3001U. Compatible Toshiba Models: Toshiba Portege : 7000, 7100, 7200. Product Specifications: Rating: 10.8V Capacity: 4000mAh Color: Black Technology: Lithium-Ion Condition: Brand New In Stock: Yes