I bought one of these a while back, very small and light
https://motorcycleparts-uk.co.uk/ro...MIrMvqmO7i1QIV15MbCh1FiAU9EAQYASABEgJwSfD_BwE
That is a great little pump. I have used mine to not only inflate tyres but blow an air bed up and it never overheats.
There is a video on utube of one popping a front tyre onto the bead in under a couple of minutes.