There are five differences between fast charging and flash charging: different voltages, different principles, different charging speeds, different degrees of heat, and different safety.
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The first difference: fast charge is high voltage fast charge, and flash charge is low voltage fast charge.
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The second difference: fast charging is to increase the power of charging, in the case of a certain battery capacity, increasing the power can reduce the charging time, the greater the power, the shorter the charging time.
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The third difference: flash charging is faster than fast charging.
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The fourth difference: the fast charging temperature is higher, and the flash charging temperature is lower.