15w mobile phone fast charging under normal circumstances can provide a relatively fast charging speed. Charging times may vary depending on the phone's specific model and battery capacity. Typically, the 15w fast charge allows your phone to be fully charged in a shorter amount of time, providing convenience and efficiency.
be unhappy
15W fast charge is currently in the penultimate charging level, only 10W less than 15W at present 15w charging speed mobile phone chargers are very fast,15w charger is not fast charge, even a little slow.
At the level of a few years ago, it is now fast charging to 40w, and even Apple, which has been criticized for slow charging, has 20w fast charging