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Portable Charging, Slow Charging, Fast Charging: Which is Better?

Portable Charging, Slow Charging, Fast Charging: Which is Better?

1. Portable charging


The so-called "portable charging" refers to the new energy vehicle users who use cables to connect their home sockets and portable electric chargers through doors and windows to achieve charging when they do not have charging conditions or to save trouble. Portable charging can solve the charging problem of some users who cannot install wall-mounted charging piles. In addition, civilian electricity is cheaper and can drive the car downstairs, so it is loved by many new energy vehicle users and electric bicycle users.


However, because the cable is exposed for a long time, it is easy to age after wind and sun, and the cable is hanging in the air, it is easy to rub against windowsills, exterior walls, etc., and the cable and the portable charger connector are easy to disconnect, so safety risks is very large and can easily cause fire or electric shock. Therefore, portable charging is an irregular charging method, and new energy vehicle owners should stop charging in this way.


2. Fast charging


Fast charging is a charging method with a charging power of more than 15KW. At present, the power of fast charging is basically around 60-90KW. Tesla and other auto companies have also launched super charging piles of more than 120KW. The biggest advantage of using fast charging is that it can greatly shorten the charging time, which is conducive to the improvement of users' car experience. However, because fast charging increases the charging speed by increasing the charging voltage and charging current, this will reduce the battery's reductive ability, and it will easily cause the battery to generate more heat and cause the battery to overcharge. The battery causes greater damage and shortens the battery life.


3. Slow charging


Slow charging is a charging method with a charging power below 15KW, such as wall-mounted charging piles and portable electric vehicle chargers are all slow charging. The biggest advantage of slow charging is that it will not cause major damage to the power battery and will not significantly shorten the battery life.


Therefore, in the daily use of the car, the best use scenario for portable charging is emergency charging. As for whether fast charge or slow charge is better, it depends on the specific situation. If you need to hurry, you must use fast charging. Usually, slow charging can be the main way. As long as the battery is used at intervals between fast and slow charging, fast charging will not cause as much damage to the battery as imagined.

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