That's difficult to say when the photos aren't so great, I suggest you show your friend the damaged socket and ask them to find a replacement. You could suggest they start by searching on eBay for "rca panel mount" as vfr400 suggests.
I've looked on eBay and type in vfr400 sorry they nothing like what I'm after that picture I sent was something similar
Take your damaged socket to your friend, they should be able to identify what's needed.
Ebike RCAs are slightly different because they have power on them. If the pin stuck out, like the one in your picture, it would short the charger if it touched anything metal, so ebike ones have a shorter middle pin that doesn't stick out. OP needs the female one. I'm pretty sure that any will work as long as the inner sleeve isn't too deep inside. You can only look at the pictures to see which ones look dodgy and which ones look OK. Unfortunately, they don't show that in most pictures.If your charger male plug looks like this on the end then
you need the female RCA type vfr and also I have linked too.
Rean Phono RCA Connector. Male Jack Plug. Red Marking | eBay
Rean Phono RCA Connector. Male Jack Plug. Red Marking. This includes Channel Islands, Northern Ireland, Isle of Wight and Scottish Highlands. Male (plug). Rated current- depends on mated connector.www.ebay.co.uk
Also test the voltage on the chargers end socket to make sure it gives the correct voltage but be very careful not to allow the probes contacts to touch each other or to short a cross both the centre pin and outer metal part.
Centre pin is V+ outer case is V-.
Yes it has snaped off I did find the rca panel mount but I can't remember what sight I saw it on after I took a photo of it
