What is pulse charging? What is the impact on battery performance?

Pulse charging generally adopts the method of charging and discharging, that is, charging for 5 seconds and discharging for 1 second, so that most of the oxygen generated during the charging process will be reduced to electrolyte under the discharge pulse. It not only limits the vaporization of the internal electrolyte, but also for those old batteries that have been severely polarized, after using this charging method for 5-10 times of charging and discharging, they will gradually recover or approach the original capacity.

What is the output power of the battery?

The output power of a battery refers to the ability to output energy per unit time. It is calculated based on the discharge current I and the discharge voltage, P=U*I, in watts.

The smaller the internal resistance of the battery, the higher the output power. The internal resistance of the battery should be smaller than the internal resistance of the electrical appliance, otherwise the power consumed by the battery itself will be greater than the power consumed by the electrical appliance, which is uneconomical and may damage the battery.

What is the self-discharge of the secondary battery? What are the self-discharge rates of different types of batteries?

Self-discharge, also known as charge retention capability, refers to the retention capability of the battery's stored power under certain environmental conditions in an open-circuit state. Generally speaking, self-discharge is mainly affected by manufacturing process, materials, and storage conditions. Self-discharge is one of the main parameters to measure battery performance. Generally speaking, the lower the battery storage temperature, the lower the self-discharge rate, but it should also be noted that too low or too high temperature may cause the battery to be damaged and unusable.

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