Qualcomm QC allows charging at higher voltages which decreases the amperage in the cables. USB C allows higher voltages charging as well. Buying a cheap charger means you'll be charging at 500mA if you're lucky, until it fries and you need a new one.
Ultimate phone charger
Discussion in 'Cellular - Voice - Data' started by rabbiporkchop, Sep 23, 2018.
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Quick Charge 3.0 explained: what you need to know (Update: video added)
The major new feature with 3.0 is INOV (Intelligent Negotiation for Optimum Voltage), which allows for a fined tuned power output and a more optimized charging cycle. Firstly, different batteries require different charging voltages. Version 2.0 supported four modes at varying power levels, 5 volts/2amps, 9V/2A, 12V/1.67A, and a 20 volt option. Quick Charge 3.0’s INOV communicates with the device to request any voltage between 3.2V and 20V at 200mV increments, allowing for a wider selection of voltages. -
There is still no difference between USB 2.0 and USB 3.0 as far as chargers are concerned. It simply does not exist.
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2.0 supports four modes at varying power levels:
[1] 5 volts/2amps,
[2] 9V/2A,
[3] 12V/1.67A,
[4] 20 volt option.
Quick Charge 3.0 can use any voltage between 3.2V and 20V at 200mV increments which means infinite voltages are possible.
Big difference between the two. -
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