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4-2
Important Information
CAUTION
NOTE
Troubleshooting
• With normal use, the battery should last about one year. Replace the
battery when the talk time becomes short even when the battery is
charged.
Rechargeable Battery Information
out
Risk of explosion if battery is replaced by an incorrect type! Dispose of used
batteries according to the instructions. Do not open or mutilate the battery.
Disconnect the battery before shipping this product.
• This equipment contains a rechargeable Lithium-Ion (Li-Ion) battery.
• The battery is not user-serviceable. Do not attempt to open the
battery cell. In case of exposure to the cell contents, wash the
affected area thoroughly and seek medical attention.
• Do not expose the battery to temperatures in excess of 140º F (60º
C).
• Do not short-circuit the battery.
• Exercise care when handling the battery around conducting materials
such as rings, bracelets, and buttons: conducting materials can short
the battery, and the battery or conductor can overheat and cause
burns.
• When charging this equipment, only use the charger designed to
charge the battery pack as specified in the owner's manual: using any
other charger may damage the product or cause the battery pack to
explode.
• Before placing the handset in the charger, make sure the battery is
installed and the battery cover is securely in place.
• Do not place the batteries in your regular trash. All batteries must be
recycled or disposed of in an environmentally sound manner. Contact
your local waste management officials for information and regulations
on the proper collection, recycling, and disposal of batteries.
Rechargeable batteries must be recycled or disposed of properly.
If you have any trouble with your handset, try the steps listed in
4-2.
ML440 End User Guide - Revision 1
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