Smart Power Replacement Laptop Battery for HP ProBook 4510s, [6 Cell, 10.80V,4400mAh,Li-ion], This battery Compatible Part Numbers of HP: 572032-001, HSTNN-OB88, HSTNN-XB88, NBP8A157B1 Battery Type: Li-ion ||Voltage: 10.80V|| Capacity: 4400mAh ||Color: Black Dimension: 268.50 x 57.80 x 20.30 mm||Weight: 412.80 g Product Type: Replacement Battery ||Condition: New, 1 year warranty! Remark:Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.