Egoway New Laptop Battery for Dell XPS 14Z 14Z-L412X 14Z-L412Z, fits V79Y0 0YMYF6 [Li-Polymer 14.8v/58Wh] Battery type: Li-Polymer; Capacity: 58Wh/3910mAh; Cells: 8-cell; Voltage: 14.8V Worry-free, 100% New from Manufacturer, High Performance Dell XPS 14z 14Z-L412X 14Z-L412Z Series Replacement Battery. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Contain with Durable cells; Low power consumption IC design; Tested with strict quality control standards; Direct warranty from Manufacturer. Warranty: 12 Months warranty, 24 x 7 email support.