Fast charge and flash charge both refer to fast charging technologies, but the principles of the two are different. Fast charging is to increase the charging voltage and speed up the charging speed. The flash charge is to increase the charging current and speed up the charging speed. The essence of both methods is to improve the charging power, the greater the power, the shorter the charging time. In addition, the low voltage and high current of flash charging will have a higher safety factor than the high voltage and low current of fast charging, but the versatility is poor, and only official accessories can be used.
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The difference between fast charge and flash charge
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Of course, it should be noted that fast charging and flash charging are safe after reasonable optimization by the manufacturer. However, flash charging has a certain advantage in technical principle, thus improving the safety of charging.
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However, flash charging also has some disadvantages. Take OPPO's SuperVOOC flash charging technology for example, in order to achieve greater current, 2 pins are added to the charging line to achieve 7 stitches. Although the charging speed is improved, it also leads to the flash charger is not compatible with other brands of chargers, resulting in poor versatility and high hardware costs.
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The fast charge has lower requirements for the wire, and as long as the power is met, it can be used without additional needles and threads. In this way, the versatility of fast charging is very strong, and the hardware cost is lower. Many users will find that some of the ordinary data lines around them can support fast charging.
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All in all, whether it is fast charging or flash charging, each has its own advantages and disadvantages. However, the use experience of charging is very good, which is much easier to use than ordinary slow charging.