Recharging the Battery

Tips for Using the Battery and Charger

Recharge the battery on the day before or on the day it is to be used.

A charged battery unused will still gradually lose its power over time.

After recharging the battery, detach it and unplug the charger from the power outlet.

You can attach the cover in a different orientation to indicate whether the battery has been recharged or not.

If the battery has been recharged, attach the cover so that the battery-shaped hole < > is aligned over the blue seal on the battery. If the battery is exhausted, attach the cover in the opposite orientation.

Use the battery in an ambient temperature range of 0°C - 40°C / 32°F - 104°F.

To attain best battery performance, an ambient temperature of 10°C - 30°C / 50°F - 86°F is recommended. In cold locations such as snowy areas, battery performance and operation time may temporarily decrease.

When not using the camera, remove the battery.

If the battery is left in the camera for a prolonged period, a small amount of power current is released, resulting in excess discharge and shorter battery life. Take out the battery from the camera and attach the protective cover before storing. Storing the battery after it is fully charged can lower the battery’s performance.

The battery charger can also be used in foreign countries.

The battery charger is compatible with a 100 V AC to 240 V AC 50/60 Hz power source. Use a commercially-available plug adapter for that country. Do not attach any portable voltage transformer to the battery charger. Doing so can damage the battery charger.

If the battery becomes exhausted quickly even after being fully charged, replace the battery.

Replace the battery with a new one.

Do not recharge any battery pack other than Battery Pack BP-511A, BP- 514, BP-511, or BP-512.

Battery Packs BP-511A, BP-514, BP-511, and BP-512 are dedicated to Canon products. Using it with a non-Canon battery charger or product may result in malfunction or accidents for which Canon cannot be held liable.

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Canon EOS40D instruction manual Tips for Using the Battery and Charger, When not using the camera, remove the battery