amsahr Replacement Battery for HP BL06XL, HSTNN-DB5D, HSTNN-W02C, BL06042XL, 722236-171, 722297-001, F450, F450C (3700 mAh, 42Wh, 6 Cells) - 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. 3700 mAh (42Wh),11.1Volts, 6 Cells 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