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 This battery only compatible with 7.4V / 51Wh version. Compatible Models and Original Battery Part Number: Dell Latitude: 12 E5270, 14 5000 Series (E5450), 15 5000 Series (E5550), 3150, 3160, E5270, E5450, E5470, E5550, E5570, 079VRK, 0HK6DV, 0R9XM9, 0TXF9M, 0WYJC2, 451-BBLN, 79VRK, 8V5GX, F5WW5, G5M10 ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.