What is the difference between fast charging heads 1A and 2A

time：2025-03-20 15:02:30 Gadget Insights

What is the difference between 1A and 2A charging heads?

The magnitude of the output current

The main difference between 1A and 2A charging heads is the size of the output current. The output current of the 1A charging head is less, while the output current of the 2A charging head is larger. Therefore, the 2A charging head will charge faster than the 1A charging head when charging the mobile phone. However, frequent use of the 2A charging head may cause damage to the battery. The charging current of mobile phone devices gradually exceeds 1A, for example, the original configuration of Samsung S4 mobile phones is 2A, which can be fully charged in about 150 minutes. Therefore, the performance of the 2A charging head is stronger than that of the 1A charging head, which can effectively improve the charging speed. When choosing a charging head, it is recommended to use a charger that goes with your phone to ensure safe and effective charging.

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