The service life of lithium battery packs is an important concern for customers, as it directly affects the use cost and efficiency of the battery pack. As a leading battery manufacturer and provider of energy storage solutions, Sunhe Energy (stock code 873278) has rich experience in the R&D, production, and application of lithium battery packs, and has summed up a set of effective methods to extend the service life of lithium battery packs. In this article, we will detail these methods, helping customers better use lithium battery packs and extend their service life.
First, use the lithium battery pack within the recommended temperature range. As mentioned earlier, the ideal working temperature range of lithium battery packs is 15-35℃. If the temperature is too high or too low, it will significantly affect the service life of the battery pack. In a high-temperature environment (above 45℃), the chemical reaction inside the battery cells will accelerate, leading to the aging of the battery cells and the reduction of cycle life; in a low-temperature environment (below 0℃), the charging and discharging performance of the battery pack will be significantly reduced, and the battery cells may be damaged if charged at low temperatures. Therefore, customers should avoid using the battery pack in extreme temperature environments. If it is necessary to use the battery pack in a high-temperature or low-temperature environment, corresponding thermal management measures should be taken, such as installing a cooling system or heating system.
Second, avoid overcharge and over-discharge of the lithium battery pack. Overcharge and over-discharge are the main factors leading to the damage of battery cells and the reduction of service life. Overcharge will cause the voltage of the battery cells to exceed the safe range, leading to the decomposition of the electrolyte inside the battery cells, generating gas and heat, and even causing thermal runaway; over-discharge will cause the voltage of the battery cells to be too low, leading to the damage of the battery cells and the inability to recover. Sunhe Energy’s lithium battery packs are equipped with advanced BMS, which has overcharge and over-discharge protection functions, can automatically cut off the charging and discharging circuit when the battery pack is overcharged or over-discharged, and protect the battery cells. However, customers should also avoid manually overcharging or over-discharging the battery pack, such as charging the battery pack for a long time after it is fully charged, or discharging the battery pack until it is completely dead.
Third, control the charging and discharging current of the lithium battery pack. The charging and discharging current of the battery pack has a significant impact on its service life. If the charging current is too large, it will cause the temperature of the battery pack to rise rapidly, leading to the aging of the battery cells; if the discharging current is too large, it will cause the internal resistance of the battery pack to increase, leading to a significant drop in capacity and the reduction of cycle life. Sunhe Energy provides detailed charging and discharging guidelines for each type of lithium battery pack, specifying the recommended charging current and discharging current. Customers should follow these guidelines and avoid using the battery pack with excessive charging and discharging current.
Shenzhen Sunhe Energy co.,Ltd. A stock list company located in Shenzhen founded in 2012. Stock code:873278. Sunhe Energy aims to ensure a complete renewable energy independence that will transform a centralized energy distribution system to a decentralized, distributed,and self-sustainable future.
