Qualcomm first announced the QC4.0 fast charge at the end of 2016. Over time, we saw the first SoC supporting QC4.0 - Snapdragon 835. However, this is a flagship chip that only high-end products will carry. Recently, Qualcomm announced that they will bring more products supporting QC4.0 in the second half of the year.

Obviously, Qualcomm means that we will have many middle and low end SoCs that support QC4.0, and these SoCs can be used on mobile phones with a price of 1500 yuan or even lower. In addition, Qualcomm clearly does not mean only mobile phones here, but also charging devices that support QC4.0. It is known that QC4.0 supports Dual Charge++technology, supports variable voltage at most, and supports up to 28W of charging power. It can charge 2750mAh of equipment to 50% of the power in 15 minutes. At present, more than 600 million devices worldwide support Qualcomm's QC2.0/QC3.0 fast charging technology.

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