Quick Charge 3.0 / QC 3.0 USB Charger
The QC 3.0 is an advanced charging technology, it works by identifying the exact voltage required at any given point during the charge. The QC 3.0 USB port (5V/3A, 9V/2A, 12V/1.5A) delivers up to 3A to the compatible USB devices.
While Quick Charge 3.0 port backwards compatible with all versions of Quick Charge technology (such as QC2.0,QC1.0), also can charge non-Quick Charge USB devices at up to 2.4A.