The power bank can use 18w fast charge.
Divided into two situations to discuss, one is that the charging treasure supports 18w or more than 18w fast charging power, the use of 18w fast charging appliances can be 18w fast charging of the charging treasure.
The other is that the charging treasure does not support 18w fast charging, then the use of 18w fast charging appliances to charge, the fast charging protocol will not be triggered, the charging power will only be 5w or 10w, but whether the charging treasure supports fast charging can use fast charging appliances.
It can be used. The rated power of the charging treasure is between 10 watts and 20 watts, in this range all chargers can be used, 18w fast charging head can be used, of course, for the fast charging head, the charging treasure is supported by the fast charging protocol, and in this range, the charging treasure can be filled faster, and the efficiency is increased by 50%. You can use the phone's 18.w fast charger to charge it.