Special questions concerning battery and rechargeable batteries |
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| What is intelligent charger switching? |
Intelligent charger switching determines the exact end of the charging process and switches over to maintenance charging.
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| What is the meaning of the slider with the red dot that you find on many rechargeable battery packs ? |
It is intended as a reminder. Once the battery is charged, move the slider so that the red dot can be seen. In this way you can avoid an accidental double charging that leads to a memory effect in NiCD batteries and thus a loss of capacity.
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| How should a rechargeable battery be stored? |
The recommended temperature range for long-term storage is between +10°C and +30°C at a relative humidity of 50%. A normal refrigerator at +8°C can be used for extended periods of storage, since that minimizes the degree of self-discharge.
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| Is there anything special that you need to know when handing in used rechargeable batteries ? |
Please only throw discharged batteries - of any type - into the collecting boxes in shops or municipal collection points. As a rule, the batteries are only fully discharged when the device switches itself off and displays "Battery empty" or if the device no longer functions properly after a longer period of use. If you have any doubts as to whether the batteries are fully discharged, put some adhesive tape over the battery terminals or put the batteries in a plastic bag. The same applies in general as well to non-rechargeable lithium batteries (block-type, round, or button cells).
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| In what state should rechargeable batteries be stored? |
Since rechargeable batteries lose their charge within a few months, in principle it makes no difference with NiCd batteries and NiMH batteries as to what state they are stored in. However, in the event of longer periods of storage (more than six months) an NiMH battery should be stored in a fully charged condition. In addition, it should be recharged at least once every 12 months. By contrast, Li-ion batteries have active electronics that fully discharge the battery over the course of time. For that reason lithium-ion batteries must in general be stored fully charged and recharged again within no more than 12 months, otherwise the battery can be destroyed.
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