I use a Hanatora that I picked up on Amazon. https://www.amazon.com/dp/B0BG81DM8F?ref=ppx_yo2ov_dt_b_fed_asin_title You can charge 4 drone batteries the Controller and your phone all at the same time You can use this charger with the Mini 3/4/5...
As a mere MA2 flyer (I love it still) I have never quite understood why a charger is needed. My kit has a small block and a holder for 3 batteries and I just plug it in and wait 3 hours! Is the block not included with the Mini5 Pro kit? Presume...
I think the OP is asking about the part that supplies power to the charging dock. Meaning the thing that provides the USB-C power to the charging dock that comes with the drone. That's how I took it at least.
Up to 65w usb-c I guess. I think I have a 45w, thats good enough for me charging 3 batteries the evening before the day of flight.
How to Charge≥65W
When using chargers of different power outputs, the charging sequence will vary.
Charger Power...