11.10V,4400mAh,Li-ion, Replacement Laptop Battery for ASUS A8, A8000, F8, F80, N80, N81, Z99, X80 Series, (Fits selected models only), Compatible Part Numbers: 70-NF51B1000, 90-NF51B1000, A32-A8, NB-BAT-A8-NF51B1000,90-NF51B1000Y, 90-NNN1B1000Y, Battery Type: Li-ion ///Voltage: 11.10V ///Capacity: 4400mAh ///Color: Black Dimension: 129.98 x 71.08 x 19.60 mm///Weight: 425.25 g Product Type: Replacement Battery (Brand New)/// Condition: New, 1 year warranty! Ship from California, Approximate transport time is 2 to 6 business days depending on location.! Expedited shipping available! High Quality! Big Discount! Competitive Price! Large Selection!