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Under what conditions is it better to store batteries? Do batteries need to be fully charged for long-term storage?

Views: 0     Author: Site Editor     Publish Time: 2023-08-10      Origin: Site

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According to IEC standards, batteries should be stored at a temperature of 20 ℃± 5 ℃ and a humidity of (65 ± 20)%. Generally speaking, the higher the storage temperature of a battery, the lower the residual capacity, and vice versa. The best place to store a battery is when the refrigerator temperature is between 0 ℃ -10 ℃, especially for primary batteries. Even if the secondary battery loses capacity after storage, it can be restored by recharging and discharging it several times. In theory, there is always energy loss during battery storage. The inherent electrochemical structure of the battery itself determines the inevitable loss of battery capacity, mainly due to self discharge. The size of self discharge is usually related to the solubility of the positive electrode material in the electrolyte and its instability after heating (easy self decomposition). The self discharge of rechargeable batteries is much higher than that of primary batteries.

If you want to store the battery for a long time, it is best to store it in a dry and low-temperature environment with a remaining battery charge of around 40%. Of course, it is best to take out the battery and use it once a month to ensure its good storage condition and avoid damaging the battery due to complete battery loss.


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