... Asus A31-U80, Asus A32-U20, Asus A32-U50, Asus A32-U80, Asus A33-U50 Capacity: 5200mAhVoltage : 11.1VColor : BlackProduct Type ... -U80, Asus A32-U20, Asus A32-U50, Asus A32-U80, Asus A33-U50, Asus LOA2011, Asus 90-NVA1B2000YCompatible with ... Asus U20A, Asus U20F, Asus U20FT, Asus U20G, Asus U50, Asus U50A, Asus U50F, Asus U50V, Asus U50VG, Asus ... 5200mAh Capacity Replacement Battery for U20 U30 U50 U50F