Charger parameters are the technical specifications printed on the charger’s label. They tell you how much power, voltage, and current the charger can deliver, and which charging protocols it supports. Input: 100-240V~50/60Hz 1.5A Output: 5V⎓3A / 9V⎓3A / 20V⎓5A (100W Max) Protocol: PD3.1, PPS, QC4+ Let’s break these down step-by-step. 1.
If the charger supports a 20V PD level, then it is likely that it can charge a laptop. When using multi-port chargers, power allocation issues are often encountered. At this time, it is necessary to pay attention to the maximum power that each port can output and the fast charging protocol supported when multiple ports are used at the same time.
If you want to know all the charging protocols supported by the charger, you need to seek the help of a USB fast charging protocol tester. For those who do not have a tester, you can search for the corresponding evaluation of the charger on the Internet to find out.
When making a judgment, it is recommended to first judge the private protocol based on the charger manufacturer, and then judge the public protocol of the charger. Because the charger page information is limited, it is usually impossible to indicate all the charging protocols of the charger.
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