deep discharge

Deep discharge refers to the degree of battery discharge, usually expressed as a percentage of the ratio of the discharged capacity to the battery's rated capacity. For example, if a 100Ah battery only has 20Ah of power left, its deep discharge is 80%.

The level of deep discharge will affect the performance and life of the battery. Different types of batteries have different optimal deep discharge ranges. Generally speaking, the deeper the deep discharge, the shorter the cycle life of the battery, so deep discharge should be avoided when using it.

Here are some ways to avoid deep discharge:

Use a suitable charger: Choose a charger that matches the battery type, capacity and specifications, and charge according to the correct charging method and time to avoid overcharging or undercharging.

Use a suitable load: Choose a load that is compatible with the battery's performance and requirements, avoid too large or too small discharge current, and control the discharge time and frequency.

Use the appropriate temperature: Keep the battery used and stored within the appropriate temperature range to avoid excessively high or low temperatures affecting the chemical reaction and internal resistance of the battery.

Use appropriate protection measures: Install necessary protection devices for the battery, such as under-voltage protection, over-current protection, short-circuit protection, etc., to prevent abnormal conditions from causing deep discharge.

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