amsahr Replacement Battery for Dell XT3, RV8MP, 1NP0F, H6T9R, 37HGH (6 Cell, 44WH) - 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. 44WH, 11.1 Volts & 6 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