DR. BATTERY Professional Series Replacement Notebook Battery: Dr. Battery Professional Series battery is made of quality materials, top grade battery cells to bring your laptop back to life and maintain your laptop service time. Safety First Criteria: All of Dr. Battery Professional Series batteries have short circuit, overheat, and overload protections to maintain the safety of usage. Condition: New Cell Type: Lithium-Ion Device Voltage: 10.8V Capacity: 4400mAh / 48Wh Warranty: 1 Year For EliteBook 8570p, 8770w. Please make sure your original battery is 10.8V or 11.1V Compatible Models and Original Battery Part Number: CC09 CC06 CC03 628368-241 628368-251 628368-351 628368-421 628368-541 628368-741 628369-341 628369-421 628370-341 628370-421 628370-541 628664-001 ProBook: 6360b 6360t 6460b 6465b 6470b 6475b 6560b 6570b ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.