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: 7.7V Capacity: 6700mAh / 52Wh Warranty: 1 Year This battery only compatible with 7.4V or 7.7V version. Compatible Models and Original Battery Part Number: Dell Latitude E7440, E7450, 0D47W, 34GKR, 3RNFD, 451-BBFS, 451-BBFT, 451-BBFV, 451-BBFY, 909H5, F38HT, FLP22C01, G0G2M, G95J5, KR71X, PFXCR, T19VW ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.