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Fast charge mobile phones can use slow charge. Fast charging mobile phones are only different from slow charging in the charging protocol and charging power size, as long as it is not a three-no product, in fact, any power supply can be charged. It should be noted that fast charging mobile phones use slow charging, charging speed will be slow, there may be a mobile phone fever phenomenon.
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1. Fast charging mobile phones can be charged with ordinary chargers, but the speed is slow.
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2. At present, the main principle of fast charging, from the physical calculation formula, power (p)= voltage (u)x current (i), in the case of a certain battery charging, power marks the charging speed, then there are three ways to shorten the charging time: constant voltage, increase the current; Constant current, rising voltage; Voltage and current increase.
The reason is that the plug-in in the battery is in poor contact: mainly because the connection between the positive and negative terminals of the battery is faulty, you can re-plug or change the line to try;
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The battery exceeds its service life: the normal battery life is about 5 years, but if there is often an incorrect charging method, it will lead to early scrapping of the battery, and the solution is to replace the battery.