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■ The internal battery is a consumable item.
Battery life varies depending on usage
conditions, etc., but it is time to change
internal battery when the usage time has
become extremely short even though the
internal battery has been fully charged. For
replacement of the internal battery, contact
"Technical Inquiries & Repairs" on the back
cover of this manual or mobile operator
specified repair office.
■ Charge the battery in an area within the
proper ambient temperature range (5℃ to
35℃ ).
■ The operation time provided by the internal
battery varies by the operating environment
and internal battery's deterioration.
■ The internal battery may swell out as
it comes to near the end of its lifetime
depending on the usage conditions.
Note that malfunctions deemed to be caused
by battery swell are not covered by the
warranty or impossible to repair.
Since these malfunctions are not under
warranty, even when repair is possible, it will
be done at the user's expense.
■ Be careful especially about the following
points when storing this cell phone.
• Keeping under the state of the full charge
(right after charging ends)
• The battery has run out (this cell phone
cannot power on)
They may cause the internal battery
performance to be degraded or its lifetime to
be shortened.
It is recommended that you store the battery
with the remaining battery level of about
40% as a guide.
■ This cell phone has the following type of
internal battery.
Display
Li-ion00
Notes about Adapter
■ Charge the battery in an area within the
proper ambient temperature range (5℃ to
35℃ ).
■ Do not charge in the following places.
• Places that are very humid, dusty or
exposed to strong vibrations.
• Near land-line phones or TV/radio
Contents/Precautions
Battery type
Lithium-ion battery
27
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