No, they take the same amount of time to charge but they have different amounts of power and different speeds. Fast charge generally charges the phone, and it can charge 50 to 70 percent of the electricity every half hour. The slow charge takes two or three hours to reach 50 percent. The principle is different. Fast charge is to increase the current to achieve a rapid charge to the mobile phone, slow charge is ordinary charging, small flow to the mobile phone fully charged.
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Different characteristics: In the case of the same size of the battery, the capacity of the fast-charging battery is less than that of the ordinary battery, the fast-charging battery supports fast charging and discharging, and the maximum current that can be output is greater than that of the ordinary battery.
Different applications: One side of the fast charging battery is used in the motor power, which requires the battery to provide a large current instantaneously, and ordinary batteries cannot meet such requirements.