Wattage on chargers is a capacity, not a spec of what comes out of it regardless of the load. Even older "dumb" chargers only deliver as much power to a load as it will draw on it's own.
Newer DJI products use a protocol called Power Delivery...
Nice to know the Mini had you covered in most of the ***-saving departments. Now if only they would let us have those helpful nav lights flashing while camera was recording we'd be able to see it against the treeline as well !
Back in the day, I'm talking about around 1975, when I first learnt to fly my 6' wingspan RC biplane, a Barnstormer with a measily Merco .61 glow engine, by simply following verbal commands, almost being screamed at me by an expert RC pilot...