hot
It is normal to have a slight heat during the charging process, because this is the loss caused by energy conversion, which is almost unavoidable. Due to the existence of charging conversion efficiency, the current output of the charger cannot be 100% charged to the battery inside the charging bank.
It's not hot. It's temperature controlled. It doesn't burn.
Xiaomi charging treasure after scientific design power consumption and heat dissipation, there will be no obvious heat