Casio C721 manual DON’Ts

Safety

•Use only the Wall charger provided with the phone. Using any charger other than the one included with the phone may damage your phone or battery.

•Only use the battery and charger approved by the manufacturer.

•Only use the battery for its original purpose.

•Try to keep batteries in a temperature between 41°F (5°C) and 95°F (35°C).

•If the battery is stored in temperatures above or below the recommended range, give it time to warm up or cool down before using.

•Completely drain the battery before recharging. It may take one to four days to completely drain.

•When the device is not used for long period, remove the battery from the device.

•Store the discharged battery in a cool, dark, and dry place.

•Purchase a new battery when its operating time gradually decreases after fully charging.

•Properly dispose of the battery according to local regulations.

DON’Ts

•Don’t attempt to disassemble the battery—it is a sealed unit with no serviceable parts.

•Don’t expose the battery terminals to any other metal object (e.g., by carrying it in your pocket or purse with other metallic objects such as coins, clips and pens).

This can short circuit and critically damage the battery, and may cause the fire or injury.

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