Canon 500 HS - Manual (Page 171)

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• Charge the battery on (or immediately before) the day of use
Charged batteries gradually lose their charge, even when they are not used.
• Long-term battery storage
After using up all remaining battery power, remove the battery from the camera.
Store the battery with the cover attached. Storing a partially charged battery over
extended periods (about a year) may shorten its life or affect performance.
• Using the battery charger abroad
The charger can be used in areas with 100 – 240 V AC power (50/60 Hz). For
power outlets in a different format, use a commercially available adapter for the
plug. Never use an electrical transformer designed for traveling, which may
damage the battery.
Tips on Using Included Accessories
Effective Battery and Charger Use
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