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 Polymer Device Voltage: 7.4V Capacity: 7200mAh / 53Wh Warranty: 1 Year Compatible Models and Original Battery Part Number: Dell Latitude 7280, 7480, E7280, DM3WC, F3YGT ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.