JINTAI DC Power Jack Cable Socket Plug Charging Port for Acer Aspire S7-191-6640 S7-191-6400 S7-191-6447 S7-391-6413 S7-392-9890 S7-391-6468 S7-191-6859 Swift 3 Sf314-54 Sf314-54G 50.Gygn1.001