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| When to discard a li-ion battery (2008-8-1) |
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| Li-ion battery end-of-life is conservatively rated by manufacturers to be 80% of the battery's original rated capacity. As the battery is repeatedly charged and discharged it gradually loses capacity in a fairly linear, but permanent manner. This lost capacity is the result of chemical degradation within the battery, and cannot be recaptured. Once the battery's operating life reaches an unacceptable level in the judgment of the user it should be replaced. |
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