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: 11.1V Capacity: 4400mAh / 49Wh Warranty: 1 Year Compatible Models and Original Battery Part Number:Latitude 14 5000 15 5000 E5440 E5540 E5440-4668 0ft69 0K8HC 0M7T5F 0WGCW6 1N9C0 312-1351 3K7J7 9TJ2J CXF66 F49WX FT6D9 N5YH9 NVWGM VJXMC VV0NF ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.