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Old 01-30-2017 | 08:40 PM
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Eric Bryant
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Nope - what matters is the voltage of each cell when you're done. You basically are looking to get the voltage as low as possible in order to reduce the self-aging that occurs in most lithium chemistries, but not so low such that moderate self-discharge will cause the cell voltage to become excessively low. Many manufacturers will recommend storage at approximately 40-50% SOC, or roughly 3.6-3.7 V/cell.

Note that excessively high ambient temperature is by far and away your greatest concern when storing batteries. Try to keep them at a temperature no greater than 20C/68F if at all possible.
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