Casio GzOne User Manual page 181

• 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.
• Don't leave the battery in hot or cold temps.
Otherwise, it could significantly reduce the capacity and lifetime of
the battery.
• Don't dispose of the battery into a fire.
• Don't short the positive electrode and negative electrode on battery
pack.
• Don't nail, hit with hammer, or step on battery pack.
It may cause fire or damage.
• Don't use the battery pack with damage or leak.
Lithium ion batteries are recyclable. When you replace your built-in
battery, please request the repair center to recycle the battery in
accordance with RBRC standards. When disposing of the battery by
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