User Guide

54
■ To prevent damage, do not charge the battery in temperatures less
than +32 °F (0°C) or greater than +104 °F (+40 °C). Do not use the
battery in temperatures less than –4 °F (–20 °C) or greater than
+140 °F (+60 °C).
■ Do not use the battery charger in direct sunlight or in places with
excessive humidity, such as a bathroom.
■ Keep the metal contacts at the top end of the battery clean.
■ Never dispose of the battery in a fire.
■ Do not try to disassemble or short circuit the battery.
■ Rechargethe batteryif the phone has notbeen used for severalmonths.
■ Do not store batteries in places where temperatures are below –22 °F
(–30 °C) or above +140 °F (+60 °C).
Battery chargers
Charge the batteries with the AC wallcharger,universal travel charger, or
cigarette lighter adapter (see Accessories, page 61). The battery does not
need to be completely drained before y ou recharge it.
The universal travel charger allows you to charge the battery while it is
attached to the phone whether the phone is turned on or off. You can also
charge another battery at the same time.
After you connect the phone to one of the chargers, check the charging
status:
■ If the battery is charging, a message displays and the bars on the
battery indicator flash in sequence.
■ When charging is complete, a message displays on the screen.
Thetypicalchargetimeto90%charge levelfor theuniversaltravelcharger,
cigarette lighter adapter, and AC wall charger is 2-1/2 hours.
Low battery
The phone alerts you when the battery is low:
■ The battery indicator flashes.
■ The phone beeps three times (if you are on a call, the phone continues
to beep every minute).
■ The message “Low Battery! Recharge Battery Soon” displays on the
screen.
If the battery level gets too low, the phone turns off and loses any function
in progress. Before turningoff, thephone alerts you with five beeps and the
message “Low Battery, Turning Off Phone Now” displays on the screen.