amsahr Replacement Battery for Dell XPS 14z, XPS 14Z-L412x, XPS 14Z-L412z, XPS L412x, XPS L412z, V79Y0, V79YO (8 Cell, 58WH) - Includes Mini Optical Mouse Includes Mini Optical Mouse with Retractable USB cord and ONE Compatible Laptop Battery 18 Months Manufacturer Warranty, 100% Compatible Non-OEM : Lithium Ion (Li- ion) Long Life Battery: Rechargeable with No Memory Effect and Power Surge Protection. 3800 mAh, 14.8 Volts & 8 Cell Protective Retail Packaging, Each product is Sealed with Anti-Static Shield Sleeve. Exclusive Offering of High Performance, Long Lasting, and Durable Grade A Cell Battery