iPad 11 pro charging from Mac but not mains

My iPad 11 Pro (fully updated to 26.0.1) will charge from my Mac but not the mains. I have cleaned the port and tried 2 different Apple fast chargers and several (original Apple) cables. All work fine for my phone, and the cables all work between the iPad and my Mac.

I have also tried forced shutdowns with and without power attached.

Any ideas please.