Eathtek Replacement DC Power Jack Harness In Cable for Acer Aspire S7 S7-391 S7-392 series, Compatible with part# 50.4WE05.001 Compatible Model Numbers: Acer Aspire S7 S7-391 S7-392 Compatible Part Numbers: 50.4WE05.001 Replacement and high quality,Replace your faulty, cracked or broken dc power Each dc power is tested before shipping All pictures are taken from the real item, please check carefully before bidding.