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self discharge
The rate at which a battery, without a load (i.e., not in use), will lose its charge. For many batteries, self-discharge rate increases as the battery ages. It also depends on the chemistry of the battery and the temperature.
Typical self discharge rates for common rechargeable cells are:
- Lithium 2–3% per month
- Lead acid 4–6% per month
- Nickel cadmium 15–20% per month
- Nickel metal hydride 30% per month
Related category
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