Electric kettles are basically just oversized barrel connectors with two wipe connectors and a spring loaded dust cover to avoid you from zapping yourself. They also wipe themselves in the act of inserting it, but the problem you’d face here is if you’re in a messy environment (hot water is pretty clean) then theres a chance gunk could pool inside the barrel on the base, so you’d need to think through drainage or sealing as a secondary function.
Those are just formed spring contacts, in the kettle so very basic, they can suffer fatigue over time though (think of your worn out 3.5mm headset jack) where if they’re being used constantly they’ll loosen over time and may wind up losing contact. Pogos are usually rated for a million cycles but since you’re talking about a high current application that might require some more investigation depending on what the product use case calls for.