This is a Brand New Li-Ion Original Battery for Toshiba. Toshiba Part Numbers: PA3456U-1BRS, PA3456U. Compatible Toshiba Models: Toshiba Satellite : Qosmio F15-AV201. Product Specifications: Rating: 10.8V Capacity: 4400mAh Size: 8.15" x 1.77" x 0.79" Color: Black Cells: 6 Cells Weight: 0.75 lb Battery Life:: Up to 2.88 hours (normal mode) Technology: Lithium-Ion Condition: Brand New In Stock: Yes