Nokia 6151

Page 91
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Copyright © 2006 Nokia. All rights reserved.
19. Battery information
■ Charging and 
discharging
Your device is powered by a 
rechargeable battery. The full 
performance of a new battery is 
achieved only after two or three 
complete charge and discharge 
cycles. 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.
If a replacement 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 
and then disconnect and reconnect 
it to start the charging.
Unplug the charger from the 
electrical plug and the device when 
not in use. Do not leave fully a 
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.
If the battery is completely 
discharged, it may take a few 
minutes before the charging 
indicator appears on the display or 
before any calls can be made.
Use the battery only for its intended 
purpose. Never use any charger or 
battery that is damaged.
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.
Leaving the battery in hot or cold 
places, such as in a closed car in 
summer or winter conditions, will 
reduce the capacity and lifetime of 
the battery. Always try to keep the 
battery between 15°C and 25°C 
(59°F and 77°F). A device with a hot 
or cold battery may not work 
temporarily, even when the battery 
is fully charged. Battery 
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