Canon CDI-E144-010 - Manual (Page 135)

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Appendix
Appendix
- When charging completes in a matter of a
few minutes (the battery charger indicator
remains lit)
z You may not be able to fully charge the
batteries due to their specifications right after
purchase or after long periods of non-use. If
this happens, use the batteries until their
charge is depleted before charging them
again. After doing this several times, battery
performance will be restored.
z Since storing fully charged batteries for long
periods of time (about 1 year) can shorten
their lifecycle or affect performance, you are
recommended to use the batteries in the
camera until they are completely discharged
and to store them at normal temperature (23
°C/73 °F) or less. If you do not use the
batteries for long periods of time, charge
them fully and discharge them fully in the
camera at least once a year before returning
them to storage.
z If battery usage time is considerably low
despite their terminals being wiped and the
battery charger's indicator remaining lit, it is
possible that the batteries have reached the
end of their lifespan. Switch to different,
unused batteries. If you are purchasing new
batteries, look for Canon’s AA-size NiMH
batteries (four piece set).
z Leaving batteries in the camera or charger
may damage it causing battery leakage.
Remove batteries from the camera or
charger and store in a dry cool location when
not in use.
z It takes approximately 250 minutes for the
charger to fully recharge the batteries (as
determined by testing at Canon facilities).
Please do not charge batteries in areas
where the temperature is outside the
range of 0 to 35°C (32 to 95°F).
z Charging time varies according to ambient
temperature and to the batteries' initial
charge state.
z The battery charger may emit noise while
charging. This is not a malfunction.
z Battery/Charger Kit CBK100 can also be
used. Use Canon AA-size batteries
NB-1AH with the charger included in the
CBK 100 kit.