I chuckle when some claim, mi max can charge the battery in 1 hour 30 minutes. Nonsense!.
From my observations, Mi max speed only supports QC2.0.
I have tried many of charger like are Aukey QC2.0, Aukey QC3.0 Tronsmart QC3.0, Blitzwolf QC3.0, Anker QC3.0 and Samsung Fast Adaptive charging...