The following methods can determine whether your mobile phone supports fast charging function.
No.1 Read the label on the charger
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Communication standard YD\/T 1591 \"Mobile phone Charger and interface technical requirements and test methods\" clearly stipulates that the DC input voltage of the charging interface of the mobile phone is 5V±5%, and the maximum absorbed current is 1800mA. Therefore, as long as the output of the adapter breaks through this condition, it can be regarded as fast charging.
No.2 Records the charging time of the mobile phone.
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According to experience, if you start charging when the power is 0~10%, after half an hour or so, the phone power can be basically restored to about 60%, and you can basically judge that your smartphone has fast charging ability.
No.3 Consult customer service
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You can also go to the corresponding mobile phone's official website and consult customer service, of course, offline sales staff can also be.
Perhaps many friends will ask, fast charging technology is really good?
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It is undeniable that the charging efficiency of our mobile phone has been greatly improved after fast charging, and fast charging technology is generally more than twice the charging efficiency of non-fast charging. From this point of view, fast charging technology is indeed a benefit.
There is no clear distinction between \"fast charge\" and \"slow charge\" of the charger, which is defined according to the charging current.
1, in general, assuming the capacity of the battery is 1C, then 0.1-0.2C rechargeable battery is called slow charge.
2, greater than 0.2C is called fast charging, greater than 0.8C is called super fast charging, less than 0.05C is trickle charging.
3. Take the 1800mAh nickel-metal hydride battery as an example, the charging current between 180mA and 360mA is slow charging
4, for the 700mAh battery, the charging current in this range is fast charging.
You can judge whether the mobile phone charging head is fast charging by observing the current, when the mobile phone is charging, measure the charging current, if the actual charging current is one-tenth of the capacity of the rechargeable battery, it is slow charging, that is, standard charging. If the charging current is close to the rechargeable battery capacity or greater than the rechargeable battery capacity, it is fast charging.