BeOne&reg;Replacement Laptop Battery for Toshiba Portege M800 M801 Satellite A655 C640D L310 M300 P740 T110 U400 Satellite Pro C650 C650D Dynabook CX/45F CX/45G Fits P/N:PA3634U-1BAS PA3634U-1BRS PABAS117 [6-cell 5200mAh/56WH]