[Battery type] Li-ion.
Voltage: 11.4V.
Capacity: 51Wh 4255mAh. [Compatible Part Number] R8D7N, 0R8D7N, 1V1XF, 4GVMP, W8GMW. [Replacement For Laptop] Dell Latitude 5400, 5410, 5500, 5510; Dell Precision 3540, 3550; Dell Inspiron 7590 2-in-1, Inspiron 7591 2-in-1, Inspiron 7791 2-in-1 Series. NOT fit for Inspiron 7590, 7591, 7791 Series.
(Purchasing Note: There are 3 batteries for the above laptops. Please choose the one you are going to replace according to your laptop's original battery. ) [Connector] Before placing your order, please check it against the picture, because products produced by different factories will have differences, such as size, cable length, interface, etc. [Use Skills] If the new battery is not recognized during the initial installation, please reinstall and check whether the interface is fully connected. Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery