Hi,
I would like to pass the cable of my robot mower base station through a cable duct, but the factory cable is too short.
As the connectors are crimped and I don't want to void the warranty, I'm looking for a pair of connectors to make an extender, but I have never seen such a connector:

More hi-res pictures, with a metric scale, are available in this Google Photo album:
https://photos.app.goo.gl/Ts1BB9jCBx1puyTS7Does anybody have an idea what standard it is, or where I could find one ?
Any hint or comment would be greatly appreciated,
Vicne