source:power adapter Popular:adapter release time:2021-11-05 09:57:26 Article author:sznbone
Theoretically, the smaller the charging current, the better the battery. Too long time is certainly not humane for users, so the general standard is 0.1-0.2C when charging, where C is the rated capacity of the battery. Taking a battery with a capacity of 10000mAh as an example, the charging current is 2000mA. According to theory, it can be fully charged in 5 hours. Capacity mAh=current Ma*time h. But in fact, in order to protect the battery, battery charging is divided into three stages: constant current charging, constant voltage charging and silk current charging. Therefore, the actual full charge time should be longer than 5 hours to reach or slightly longer than 6 hours. The calculation method of battery charging time : The battery capacity is divided by the charging current, and then multiplied by the coefficient 1.2-1.1, the time unit is hour.
The power adapter factory will teach you three charging methods for battery chargers:
Theoretically, the smaller the charging current, the better the battery. Too long time is certainly not humane for users, so the general standard is 0.1-0.2C when charging, where C is the rated capacity of the battery. Taking a battery with a capacity of 10000mAh as an example, the charging current is 2000mA. According to theory, it can be fully charged in 5 hours. Capacity mAh=current Ma*time h. But in fact, in order to protect the battery, battery charging is divided into three stages: constant current charging, constant voltage charging and silk current charging. Therefore, the actual full charge time should be longer than 5 hours to reach or slightly longer than 6 hours. The calculation method of battery charging time : The battery capacity is divided by the charging current, and then multiplied by the coefficient 1.2-1.1, the time unit is hour.
3. Constant current charging means that the charging current remains unchanged, and the charging voltage is approximately linearly rising. This charging stage, if you directly use 0.1-0.2C current to charge, even if there are no other accidents, the battery will be shortened due to excessive heating and so on. Life, so this is why the charging current remains unchanged at the beginning of constant current charging, and the charging voltage rises approximately linearly. In fact, it is for the purpose of extending and protecting the life of the battery.
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