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Is anyone aware of a source for the DC barrel connector that would be compatible with the DC battery charge input for the DELL XPS M170 notebook? I have three of these 19 VDC 130 watt DC adapters now, one of which is new, another of which has the pin for the center conductor pushed deep into this plug making it unusable, and the third which the DC cable is shot but is still usable. I believe that the outside diameter of the connector is unusually large at 7.4mm, with a male center pin.

I wish to repair the two bad power supplies with new DC connectors and a length of high quality RG-58 coaxial cable. For me to continue to purchase these power supplies because of problems only with the DC cable / connector is untenable.