amsahr Replacement Battery for ASUS U53, U33, U33J, U33JC, U33JT, U42, U42F, U42J, U42JC U42S, U42SD, U43, U43F, U43J, U43JC, U43S, U43SD (8 Cell, 4400 mAh) - Includes Cleaning Cloth Includes Soft Nonporous Microfiber Cleaning Cloth 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, 10.8 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