Dentsing 47Wh 7.4V 34GKR Battery for Dell Latitude E7440 E7420 E7450 Ultrabook Series Laptop 451-BBFV 909H5 Model:34GKR Color:Black Voltage:7.4V Capacity:47WH Compatible P/N:909H5 34GKR Compatible with:Dell Latitude E7440 E7420 E7450 6 Months Warranty. If you have any issue, please contact us, we will help you resolve it before you leave a negative feedback or low review.Thanks for your kind support and patience.