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Frequently Asked Questions

Following Q&A will teach you everything you wanted to know about batteries and how to optimize the usage.

We always recommend charging your eneloop rechargeable batteries with an eneloop or Panasonic charger.

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Ni-MH rechargeable batteries can be used in appliances which require alkaline batteries, even with lower initial voltage. 

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The smart charge function on chargers checks the charging conditions of the batteries, the temperatures of both the batteries and the charger, etc. This allows the charger to individually charge each battery under the best conditions.

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This is a vibration noise which occurs when electric current flows through a transformer or a winding wire inside a component part.

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The operating time of your batteries can be decreased due to a number a symptoms. 

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It is not recommended as this could lead to over-discharging the batteries which is one of the main causes of shortening the service life of your batteries.

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    Do not do this, as there are massive differences in charging conditions between the two types of batteries.

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    Ni-MH rechargeable batteries can be used for (torch) lights with a wire filament.

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    If the appliance has a charging function they can be used, under certain conditions. 

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    Panasonic strongly advocates not attempting to charge primary batteries such as alkaline, zinc carbon, or lithium, using Ni-MH chargers.

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    It is recommended to charge a rechargeable battery before use if the situation allows for it in order to reduce damage to the battery.

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    Extenting the service life of your rechargeable batteries depends on serveral different factors. 

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    The occurrence of the symptoms in following article could indicate that your rechargeable batteries need replacing.

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    This should be avoided at any time. When the battery has been in a washing machine, it is no longer fit to use. Please dispose this battery.

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    Once water enters into a battery, it is very difficult to get it out due to the battery’s safety vent (which doesn’t allow any liquids to leak out of the battery)

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    Heat generation during charging is not abnormal. However, how much a charger heats up depends on:

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    When the batteries are used incorrectly it could induce leakage. 

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    A size-conversion spacer for AA rechargeable batteries is an extra casing which can temporarily convert your AA batteries to C or D size.

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    • Check the manual for your appliance to see if your appliance needs designated batteries
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    Cycle life is the number of times the rechargeable battery can be recharged.

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