amsahr Replacement Battery for Sony BPS24, SB11FX/B, SB11FX/W, SB11FXB, SB11FXP, SB16FA/B, SB16FF/B, SB16FG, SB16FG/B, SB16FG/L, SB16FG/P, SB16FG/S (6 Cell, 4400 mAh) - 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. 4400 mAh, 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