Unitek Y-2190A Manual Del Usuario página 4

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FAQ
Q: Why the charging time is varying each time?
A: This is because smartphones and tablets will automatically
evaluate the battery power level and output the most efficient
power. When the charging device has higher remaining battery, the
charging speed will be slower, then switch to trickle charging.
Q: Does every single USB port output 5V/2.4A of power when all
USB ports are connected?
A: Yes, the charging station will distribute maximum power which is
demanded by smartphone / tablet.
Q: Which types of smartphone can support Quick Charge 3.0 (QC3.0)?
A: The smartphones with CPU models 820, 620, 618, 617, 430 from
Qualcomm Snapdragon will support QC3.0.
Q: Which types of smartphone can support Quick Charge 2.0 (QC2.0)?
A: The smartphones with CPU series of 800, 600, 400 from
Qualcomm Snapdragon will support QC2.0.
Q: When a QC3.0 or QC2.0 device is to be charged, but it is not
recognized as a fast-charge device, Why?
A: It should involve using the charging cable with poor quality which
will seriously affect the current transmission and result the device
cannot be identified as a support QC3.0 or QC2.0 device. It is highly
recommended that original or high-quality cable should be used in
order to enjoy the fast-charge function.
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Y-2190a-bk