18 w
Mi 8 support 18w fast charge, mobile phone. 1 Mi 8 supports fast charging, according to the parameters of the Xiaomi official website show that Mi 8 supports the QC40 fast charging protocol at the highest, and the packaging standard is 18W QC30 fast charging 2. The phone is measured in the instantaneous charging voltage of about 6025V and the current is 2655A using the QC40 charger certified by Qualcomm, and the power can reach close to 16W.