User's Manual

• Battery charging times depend on the remaining battery charge and

the type of battery and charger used. The battery can be charged

and discharged hundreds of times, but it will gradually wear out.

When the operation time (talk time and standby 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 approved batteries; and recharge your battery only with

approved chargers. When a charger is not in use, disconnect it from

the power source. 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, such as in a car in summer or winter

conditions, as you will reduce the capacity and lifetime of the

battery. Always try to keep the battery at room temperature. A

phone with a hot or cold battery may temporarily not work, even

when the battery is fully charged. Li-ion batteries are particularly

affected by temperatures below 0 °C.

• Do not short-circuit the battery. Accidental short-circuiting can

occur when a metallic object (coin, clip or pen) causes a direct

connection between the + and - terminals of the battery (metal

strips on the back of the battery), for example when you carry a

spare battery in a pocket or bag. Short-circuiting the terminals may