Townpeak Laptop Battery for ASUS A32-K53 A42-K53 K43, K53 Series, X43SJ, X43SR, X43SV, X43T, X43U, X43, A83,A84, K54, K84, P43, P43S, P53, X44, X54, X84, X84H [6cells 10.8V 5200MAH/56WH] 12 Months Warranty