Do not recharge any battery pack other than Battery Pack BP-511A, BP-514, BP-511, or BP-512.
If the battery is left in the camera for a prolonged period without the camera being used, a low electrical current may be discharged excessively and the battery's service life may be affected. When not using the camera, remove the battery and attach the protective cover to prevent shorting. Before using the camera again, be sure to recharge the battery. Storing the battery while fully charged may reduce its service life or performance.
Battery Packs BP-511A, BP-514, BP-511, and BP-512 are dedicated to Canon products. Using them with a non-Canon battery charger or product may result in malfunction or accidents for which Canon cannot be held liable.
After the red lamp lights, continue to recharge the battery for an hour to attain a full charge.
Even a recharged, unused battery will gradually drain its power. Recharge the battery on the day before or on the day you plan to use it. By referring to the marking, you can attach the protective cover to the battery to indicate whether the battery has been recharged or not. After recharging the battery, detach it and unplug the power cord from the power outlet.
The time required to recharge the battery depends on the ambient temperature and battery's recharge level.
The battery pack can operate in temperatures from 0°C to 40°C (32°F to 104°F). However, for full operating performance, using it between 10°C (50°F) and 30°C (86°F) is recommended. In cold locations such as ski areas, battery performance temporarily decreases and the operating time may be shorter.
If operating time is sharply reduced even after normal recharging, the battery pack may have reached its service life. Replace it with a new battery.
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