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6. USING THE BATTERY
6.1
Battery Charging
Be sure to charge the battery fully before using it for the first time or after not using
it for long periods.
• The charger will become rather hot during use. This is normal.
• Do not use batteries other than those designated.
• The charger is for indoor use only. Do not use outdoors.
• Batteries cannot be charged, even when the charging lamp is flashing, when
the temperature is outside the charging temperature range.
• Do not charge the battery just after charging is completed. Battery performance
may decline.
• Remove batteries from the charger before putting into storage.
• When not in use, disconnect the power cable plug from the wall outlet.
• Store the battery in a dry room where the temperature is within the following
ranges. For long-term storage, the battery should be charged at least once
every six months.
Storage period
1 week or less
1 week to 1 month
1 month to 6 months
6 months to 1 year
• Batteries generate power using a chemical reaction and as a result have a
limited lifetime. Even when in storage and not used for long periods, battery
capacity deteriorates with the passage of time. This may result in the operating
time of the battery shortening despite having been charged correctly. In this
event, a new battery is required.
Temperature range
-20 to 50°C
-20 to 45°C
-20 to 40°C
-20 to 35°C
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