This is a brand new Acer dc jack and cable. This jack is for use with 65 watt ac adapters and has 4 wires and 4 pin connector. It is an original Acer product.
Comp. Models: Aspire M5-583, M5-583P, V5-552, V5-552G, V5-552P, V5-572, V5-572G, V5-572P, V5-573, V7-581, V7-581P
Part Numbers: 50.M9YN7.002, 50M9YN7002