End-of-discharge voltage
The final discharge voltage is the voltage at which the discharge of a battery or an accumulator ( accumulator ) is ended.
In discharge tests, the final discharge voltage is defined as the voltage below which no more energy that can be used for the respective application can be drawn. With accumulators it is the limit value of the voltage on the cells for deep discharge . If the switch-off voltage of the consumer is above the final discharge voltage of the accumulator, the accumulator will not be completely discharged and the capacity cannot be fully used.
In the case of certain accumulators and battery packs , the final discharge voltage also refers to the voltage up to which they can be discharged without being damaged. The final discharge voltage is specified by the manufacturer - if it falls below it ( deep discharge ), this can lead to a loss of capacity or destruction in the various systems. Lead and lithium batteries are very sensitive to deep discharge. The service life of these batteries increases with a reduced depth of discharge.
| Accumulator system | Typical end-of-discharge voltage for single cells |
|---|---|
| Lithium polymer battery | 3.3 V |
| Lithium-ion battery | 2.5V |
| Lithium iron phosphate accumulator | 2 V |
| Lead accumulator | 1.75V |
| Nickel-zinc accumulator | 1.2V |
| Rechargeable alkaline manganese cells (RAM cells) | 1V to 1.1V |
| Nickel-metal hydride battery | 1 V |
| Nickel-cadmium battery | 0.85V to 1V |
See also
- Degree of discharge , engl. depth of discharge (DoD)
- End-of-charge voltage
literature
- David Linden, Thomas B. Reddy (Eds.): Handbook of Batteries . 3. Edition. McGraw-Hill, New York 2002, ISBN 0-07-135978-8 ( PDF; 15.1 MB ; English).
Individual evidence
- ↑ 产品 规格 书 (product specification). (PDF) Retrieved December 9, 2016 .