@afternoonboy You are the 2nd posting now in quick succession, and as they are for the ONT/Smart Hub Plus, then not, if you do find out what the barrel size is the post it up, the posting from earlier i will link below. By the way did the offer send you 2 Cyber units or just the one, not sure if they changed the link but it was 2 units for the same price that was one for ONT and the Smarthub+/Smarthub2. The other link below.
Mains Power Back-up for Smart Hub - The EE Community
Edit:- If you could say regarding the barrel, does it not fit in to the Pro connector ie it is 2 large, or it fits in but the internal part does not connect, the ONT/Smarthub+ are not an issue as have fitted both before. Barrels are multiple sizes and just do not know what the Pro has.
dc barrel connectors - Search Images
