11.10V, 4400mAh, Li-ion, Replacement for HP EliteBook 2560p Laptop Battery, Compatible Part Numbers: 632015-542, 632016-542, 632417-001, 632419-001, 632421-001, HSTNN-UB2L, QK644AA, SX06XL Battery Type: Lithium-ion (Li-ion) | Voltage: 11.10V Capacity: 4400mAh | Color: Black Dimension: 205.30 x 48.60 x 20.80 mm Rate: 49.00 Wh | No. of cell: 6 | Weight: 348.40 g Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.