Gustav_ASUS@Gustav_ASUS Thank you for your reply, it makes sense now... xD
@Saifuddin Sorry for the late reply,
Normal Adapter：<10W；Icon: ㄣ
QC Adapter：18W；Icon: ㄣ++
QC Adapter：30W；Icon: ㄣㄣ
Also, bear in mind that the icon does not necessarily mean that the phone is charging, only that the charger/phone is negotiating protocols. So don't be confused if you have activated slow charging and the status bar is showing two flashes, for example.