Self Discharge

The loss of useful capacity of a cell or battery due to internal chemical action.

Lithium Ion2% to 3% per month
Lead Acid4% to 6% per month
Nickel Cadmium15% to 20% per month
Nickel Metal Hydride30% per month

For most battery chemsitries the higher the temperature during storage, the greater the rate of self-discharge.

See also: Battery.

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Subjects: Electronics