... -U20, Asus A32-U50, Asus A32-U80, Asus A33-U50 Capacity: 5200mAhVoltage : 11.1VColor : BlackProduct Type: ReplacementBattery Type: Lithium ... U80, Asus A33-U50, Asus LOA2011, Asus 90-NVA1B2000YCompatible with Laptop Models:Asus U20, Asus U20A, Asus U20F, Asus U20FT, ... Asus U80V, Asus U81, Asus U81A, Asus U89, Asus U89V Laptop Battery with 6cell 5200mAh Capacity Replacement Battery for U20 U30 U50 U50F