Nokia 3660

Page 145
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Battery information
145
18. Battery information
Charging and Discharging
•
Your phone is powered by a rechargeable battery.
•
Note that a new battery's full performance 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 operating 
time (talk-time and standby time) is noticeably shorter 
than normal, it is time to buy a new battery.
•
Use only batteries approved by the phone manufacturer 
and recharge your battery only with the chargers 
approved by the manufacturer. Unplug the charger when 
not in use. Do not leave the battery connected to a 
charger for longer than a week, since overcharging may 
shorten its lifetime. If left unused a fully charged battery 
will discharge itself over time.
•
Temperature extremes can affect the ability of your 
battery to charge.
•
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 (coin, clip or 
pen) causes direct connection of the + and - terminals of 
the battery (metal strips on the battery) 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 
phone with a hot or cold battery may temporarily not 
work, even when the battery is fully charged. Battery’s 
performance is particularly limited in temperatures well 
below freezing.
•
Do not dispose of batteries in a fire!
•
Dispose of batteries according to local regulations (e.g. 
recycling). Do not dispose of as household waste.
•
Remove the battery only when the phone is switched off.
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