T609.book Page 149 Monday, April 17, 2006 10:30 PM
♦World Health Organization (WHO)
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Precautions When Using Batteries
♦Never use any charger or battery that is damaged in any way. ♦Use the battery only for its intended purpose.
♦If you use the phone near the network’s base station, it uses less power; talk and standby time are greatly affected by the signal strength on the cellular network and the parameters set by the network operator.
♦Battery charging time depends on the remaining battery charge, the type of battery and the 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
♦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.
are particularly affected by temperatures below 0°C (32°F). ♦Do not
connection between the + and terminals of the battery (metal strips on the battery), for example when you carry a spare battery in a pocket or bag. Shortcircuiting the terminals may damage the battery or the object causing the
Health and Safety
Health and Safety Information 149
