Replacement Laptop Battery for HP ProBook 4430s, HP ProBook 4431s, [6 Cell, 10.80V,4400mAh,Li-ion], Battery Type: Li-ion Voltage: 10.80V Capacity: 4400mAh Color: Black Dimension: 268.60 x 44.40 x 20.30 mm||Weight: 375.80 g Product Type: Replacement Battery || Condition: New, 1 year warranty! ||No. of cell: 6 Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.