BA-5390A/U Battery is a lithium sulphur battery widely used in military and civil fields, with the characteristics of high energy density and long service life. However, with the increase of service time, BA-5390A/U battery will also have some common failure problems. This article will analyze common faults of BA-5390A/U batteries and introduce possible causes and solutions.

I. Capacity attenuation

capacity attenuation is one of the common faults of BA-5390A/U batteries. As the number of charge and discharge cycles of the battery increases, the capacity of the battery will gradually decrease, resulting in the decrease of the energy storage capacity of the battery. Capacity attenuation may be caused by the following reasons:

1. too many charge and discharge cycles;
2. long-term storage or use in high temperature environment;
3. lithium sulphur battery capacity attenuation caused by its own characteristics.

Solution: regularly test the capacity of the battery, adjust the charging and discharging strategies according to the actual situation, avoid excessive charging and discharging; Avoid long-term storage in high temperature environment; Select appropriate storage conditions and use environment.

Second, the self-discharge rate is too high

1. internal material or structural defects of the battery;
2. long-term storage or use in high temperature environment;
3. the aging of the battery leads to an increase in the self-discharge rate.

Solution: regularly check the self-discharge rate of the battery, and conduct a depth of electro-discharge treatment for the battery with high self-discharge rate; Avoid long-term storage in high temperature environment; Regularly maintain and maintain the battery to prolong the battery life.

3. Overcharge or overdischarge

BA-5390A/U battery may be overcharged or overdischarged during charging and discharging, which will affect the safety and performance of the battery. Overcharge or overdischarge may be caused by the following reasons:

1. charger or discharger failure;
2. improper operation during charging or discharging;
3. battery management system failure.

Solution: Use qualified charger and discharger for charging and discharging operations; Comply with rechargeable batteryDischarge guidance to avoid overcharging or overdischarging; Regularly check and maintain the battery management system to ensure its normal operation.

BA-5390A/U battery common faults such as capacity attenuation, high self-discharge rate, overcharge or overdischarge may occur during use. By understanding possible failure causes and solutions, users can find and solve battery failures in time, prolong battery life and ensure battery safety and performance stability.