Dentsing 7.6V 55Wh J60J5 Built-in Battery for Dell Latitude E7270 E7470 Series Model:J60J5 Color:Black Voltage:7.6V Capacity:55WH Although the laptop models are the same ,the models of the batteries used inside the computers may be different .Though they may be compatible with each other but the connecting wire lengths of them may be different so the batteries may not be installed .Therefore we require that the models of the batteries should be exactly the same. When purchasing the battery, please open the back cover of your laptop to confirm the model of your laptop battery. As battery might have issue of compatibility , when the computer was coming out of the manufactured factory, the battery used was the most accurate. 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.