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Battery information
Positioning the devices away from each other breaks the connection, but the infrared light
beam remains active on your device until it deactivates.
17. Battery information
■ Charging and discharging
Your device is powered by a rechargeable battery. The battery intended for use with this
device is the BP-4L. This device is intended for use when supplied with power from the
following charger: AC-4. The battery can be charged and discharged hundreds of times, but
it will eventually wear out. When the talk and standby times are noticeably shorter than
normal, replace the battery. Use only Nokia approved batteries, and recharge your battery
only with Nokia approved chargers designated for this device. Use only replacement
batteries qualified with the device per the IEEE 1725-2006 standard. Use of other batteries
or chargers may present a risk of fire, explosion, leakage, or other hazard.
If a battery is being used for the first time or if the battery has not been used for a prolonged
period, it may be necessary to connect the charger, then disconnect and reconnect it to
begin charging the battery. If the battery is completely discharged, it may take several
minutes before the charging indicator appears on the display or before any calls can be
made.
Always switch the device off and disconnect the charger before removing the battery.
Unplug the charger from the electrical plug and the device when not in use. Do not leave
fully charged battery connected to a charger, since overcharging may shorten its lifetime. If
left unused, a fully charged battery will lose its charge over time.
Always try to keep the battery between 15ºC and 25ºC (59ºF and 77ºF). Extreme
temperatures reduce the capacity and lifetime of the battery. A device with a hot or cold
battery may not work temporarily. Battery performance is particularly limited in
temperatures well below freezing.
Do not short-circuit the battery. Accidental short-circuiting can occur when a metallic
object such as a coin, clip, or pen causes direct connection of the positive (+) and negative (-
) terminals of the battery. (These look like metal strips on the battery.) This might happen, for
example, when you carry a spare battery in your pocket or purse. Short-circuiting the
terminals may damage the battery or the connecting object.
Do not dispose of batteries in a fire as they may explode. Batteries may also explode if
damaged. Dispose of batteries according to local regulations. Please recycle when possible.
Do not dispose as household waste.
Do not dismantle, cut, open, crush, bend, deform, puncture, or shred cells or batteries. In the
event of a battery leak, do not allow the liquid to come in contact with the skin or eyes. In
the event of such a leak, flush your skin or eyes immediately with water, or seek medical
help.