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    Your current location :Home > News > Lithium battery knowledge

    How to store long-term unused lithium batteries

    文章来源:Shenzhen Zhongli Energy Technology Co., Ltd. 人气:451 发表时间:2020-03-01 23:51:41
    Shenzhen Zhongli Energy Technology Co., Ltd. is a large-scale high-tech enterprise that integrates R & D, production and sales of lithium-ion batteries. The main product is a full range of polymer lithium ion batteries. The following describes how to store lithium batteries that have not been used for a long time:

    Lithium batteries have a bad characteristic-self-discharge. Self-discharge is related to voltage (charged electricity, that is, the state of charge saturation), so a lithium battery stored for a long time should be charged with a certain amount of electricity, and Capacity will be lost during the process (the effectiveness of lithium batteries). The amount of charge and storage temperature of the lithium battery will affect the capacity of the lithium battery. The following are the different temperatures and the state of battery charge. The lithium battery remains after one year of storage Capacity situation:

    Storage temperature--40% charge state ---- 100% charge state

    0 degrees ------------- 98% ------------------ 94%

    25 degrees -------- 96% ------------------ 80%

    40 degrees ----------- 85% ------------------ 65%

    60 degrees ----------- 75% ------------------ 60%

    It can be seen that the higher the storage temperature and the fuller the battery, the more severe its capacity loss. Therefore, it is not recommended to store lithium-ion batteries for a long time. If users have idle batteries, the storage conditions recommended by experts are 40% charge level and storage temperature below 15 degrees or lower.

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