Type: Laptop Battery Voltage: 11.1V Compatible Brand: For HP Color: Black Battery Type: Li-Ion Number of Battery Cells: 6 Battery Capacity: 3800 mAh40 mAh Compatible Product Line: For HP EliteBook Compatible Part Numbers 436426-311| 436426-351| 454668-001| 593592-001| AH547AA| BS556AA| HSTNN-CB45|HSTNN-OB45| HSTNN-XB4X| NBP6B17B1| OT06XL Compatible Fit Models HP Business Notebook 2710p, EliteBook 2730p, EliteBook 2740p, EliteBook 2740p Tablet PC, EliteBook 2740w, EliteBook 2760p, EliteBook 2760p Tablet PC