He uses quaint British time-measurement terms. "A cuppa and bacon bun" is how long it takes to fill up. I wish he'd been more specific, using standard quantitative terms (like minutes,) giving us the state of charge he arrived with and left with.
Anyway, Robert is wowed by how quickly the car charges. We can see that the charger delivered 345 volts at 70 amps, which is actually on the slow side for fast chargers. Check it out: