11.10V,8800mAh,Li-ion,Hi-quality Replacement Laptop Battery for SONY VAIO VGN-AX570G, VAIO VGN-AX580G, SONY VAIO VGN-BX540, VAIO VGN-BX560, VGN-BX560B, VGN-BX570, VGN-BX640, VGN-BX660, VGN-BX670, VGN-BX740, VGN-BX760, VGN-BX90 Series, Compatible Part Numbers: VGP-BPL4, VGP-BPL4A, VGP-BPS4, VGP-BPS4A Voltage: 11.10V ///Capacity: 8800mAh Battery Type: Li-ion///Color: Black Dimension: 206.95 x 50.85 x 36.80 mm///Weight: 808.75 g Product Type: Replacement Battery (Brand New)/// Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.