This 18W USB charger from DJI can charge you Mavic Mini batteries within 90 minutes.
It can be used with the Remote Controller & also the Two-Way Charging Hub
Input: 100-240 V~50/60 Hz, 0.5A
Output: 5V/3A 9V/2A 12V/1.5A
Charging time for one Mavic Mini Intelligent Flight Battery: About 90 minutes. (depending on temperature).
Charging Time for One Mavic Mini Intelligent Flight Battery (1100mAh): About 50 minutes (depending on temperature)