Precautions When Using Batteries - Samsung SGH-U700 User Manual

Health and safety information
The highest SAR value for this model phone was
0.822 W/kg.
SAR tests are conducted using standard operating
positions with the phone transmitting at its highest
certified power level in all tested frequency bands.
Although the SAR is determined at the highest
certified power level, the actual SAR level of the
phone while operating can be well below the
maximum value. This is because the phone is
designed to operate at multiple power levels so as
to use only the power required to reach the
network. In general, the closer you are to a base
station, the lower the power output of the phone.
Before a new model phone is available for sale to
the public, compliance with the European R&TTE
Directive must be shown. This directive includes as
one of its essential requirements the protection of
the health and safety of the user and any other
person.

Precautions when using batteries

• Never use a charger or battery that is damaged
in any way.
• Use the battery only for its intended purpose.
• If you use the phone near the network's base
station, it uses less power. Talk and standby
time are greatly affected by the signal strength
on the cellular network and the parameters set
by the service provider.
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• Battery charging time depends on the remaining
battery charge, the type of battery, and the
charger used. The battery can be charged and
discharged hundreds of times, but it will
gradually wear out. When the operation time is
noticeably shorter than normal, it is time to buy
a new battery.
• If left unused, a fully charged battery will
discharge itself over time.
• Use only Samsung-approved batteries, and
recharge your battery only with Samsung-
approved chargers. Disconnect the charger from
the power source when it is not in use. Do not
leave the battery connected to a charger for
more than a week, since overcharging may
shorten its life.
• Extreme temperatures will affect the charging
capacity of your battery: it may require cooling
or warming first.
• Do not leave the battery in hot or cold places
because the capacity and lifetime of the battery
will be reduced. Try to keep the battery at room
temperature. A phone with a hot or cold battery
may not work temporarily, even when the
battery is fully charged. Li-ion batteries are
particularly affected by temperatures below 0° C
(32° F).