8 CELLS Batterytec&reg; Laptop Battery for ASUS A42-U36, A41-U36, ASUS U32 U32J U32JC U32U, ASUS U36 U36J U36JC U36S U36SD U36SG U36K U36KI, ASUS U44 U44S U44SG,ASUS U82 U82U U82E U82EE, ASUS U84 U84S U84SG, ASUS X32 X32A X32J X32JT X32U X32V X32VT X32K X32KE, 4INR18/65 4INR18/65-2. [14.4V 4400mAh, 1 Year Warranty] Battery Type: Li-ion, Cells: 8-cell,Capacity: 4400mAh; Voltage: 14.4V. 100% New Manufacturer. To 500 charging cycles during the lifetime of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 12 months Warranty without problems. Class A cells provide fast loads and low power consumption, chip protection offers both security and stability.