Canon A100 - Manual (Page 141)

O 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.
O It takes approximately 110 minutes (for two)
and 220 minutes (for four) for the charger to
fully recharge the batteries (as determined
by testing at Canon facilities). Please do not
charge batteries in areas viihere the tem­
perature is outside the range of 0 to 35 °C
(32 to 104 °F).
O Charging time varies according to ambient
temperature and to the batteries' initial
charge state.
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