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Technical Notes and Index
The Battery
Be sure to read and follow the warnings in “For Your Safety” (Aviii-x) before use.
• Check the battery level before using the camera and replace or charge the battery if necessary. Do
not continue charging once the battery is fully charged as this will result in reduced battery
performance. Whenever possible, carry a fully charged spare battery when taking images on
important occasions.
• Do not use the battery at ambient temperatures below 0°C (32°F) or above 40°C (104°F).
• Charge the battery indoors with an ambient temperature of 5°C to 35°C (41°F to 95°F) before use.
• When charging the battery inserted into this camera using the Charging AC Adapter or a
computer, the battery is not charged at battery temperatures below 0°C (32°F) or above 45°C
(113°F).
• Note that the battery may become hot during use; wait for the battery to cool before charging.
Failure to observe these precautions could damage the battery, impair its performance, or prevent
it from charging normally.
• On cold days, the capacity of batteries tends to decrease. Be sure that the battery is fully charged
before heading outside to take images in cold weather. Keep spare batteries in a warm place and
exchange as necessary. Once warmed, a cold battery may recover some of its charge.
• Dirt on the battery terminals can prevent the camera from functioning. Should the battery
terminals become dirty, wipe them off with a clean, dry cloth before use.
• If the battery will not be used for some time, insert it in the camera and completely exhaust it
before removing it for storage. The battery should be stored in a cool location with an ambient
temperature of 15°C to 25°C (59°F to 77°F). Do not store the battery in hot or extremely cold
locations.
• Always remove the battery from the camera or optional battery charger when it is not being used.
When inserted, minute amounts of current flow even when unused, and the battery may become
excessively drained and no longer function. Turning the camera on or off while the battery is
exhausted can result in reduced battery life.
• Recharge the battery at least once every six months and completely exhaust it before returning it
to storage.
• After removing the battery from the camera or optional battery charger, put the battery in a plastic
bag, etc. in order to insulate it and store it in a cool place.
• A marked drop in the time a fully charged battery retains its charge, when used at room
temperature, indicates that the battery needs to be replaced. Purchase a new EN-EL19 battery.