13
Discharging.
The main purpose of discharging is to check the capacity of a battery or to reduce the battery’s voltage
to a defined level. The same attention should be paid to the discharging process as charging.
The final discharge voltage should be set up correctly to avoid deep-discharging.
Lithium batteries cannot be discharged to lower than the minimum voltage, or it will cause a rapid loss of
capacity or a total failure.
Generally, Lithium batteries do not need to be discharged.
Please pay attention to the minimum voltage of lithium batteries to protect the battery.
Some rechargeable batteries have a memory effect. If they are partly used and recharged before the whole
charge is accomplished, they remember this and will only use that part of their capacity next time.
This is a “memory effect” it is said that NiCd and NiMH batteries suffer from memory effect.
NiCds have more memory effect than NiMH batteries.
Lithium batteries are recommended to be discharged partially rather than fully discharged.
Frequent full discharging should be avoided if possible. Instead, charge the battery more often or use a
battery of larger capacity. Full capacity cannot be used until it has been subjected to 10 or more charge cycles.
The cyclic process or charge and discharge will optimise the capacity of battery.
Summary of Contents for Sigma EQ ECO II
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