... 3.12 months warranty Laptop battery for Asus A31-F9 Production Description BrandFor AsusColorBlackCell TypeLi-ionCapacity4400mAhVoltage11.1VWarranty12 monthsCells 6Compatibility100%ConditionBrand new Product ShowReplace Part ... in this field. We produce battery, laptop battery, notebook battery, which can replace for batteries of Lenovo, IBM, Dell, HP, Toshiba,Fujitsu, Sony, Samsung, Asus, Acer, LG ...