Samsung SGH-L770S User Manual

Health and safety information40Precautions when using batteries• Never use a charger or battery that is damaged inany way.• Use the battery only for its intended purpose.• If you use the phone near the network’s basestation, it uses less power. Talk and standby timeare greatly affected by the signal strength on thecellular network and the parameters set by theservice provider.• Battery charging time depends on the remainingbattery charge, the type of battery, and the chargerused. The battery can be charged and dischargedhundreds of times, but it will gradually wear out.When the operation time is noticeably shorter thannormal, it is time to buy a new battery.• If left unused, a fully charged battery will dischargeitself over time.• Use only Samsung-approved batteries, andrecharge your battery only with Samsung-approvedchargers. Disconnect the charger from the powersource when it is not in use. Do not leave thebattery connected to a charger for more than aweek, since overcharging may shorten its life.• Extreme temperatures will affect the chargingcapacity of your battery: it may require cooling orwarming first.• Do not leave the battery in hot or cold placesbecause the capacity and lifetime of the battery willbe reduced. Try to keep the battery at roomtemperature. A phone with a hot or cold batterymay not work temporarily, even when the battery isfully charged. Li-ion batteries are particularlyaffected by temperatures below 0° C (32° F).• Do not short-circuit the battery. Accidental short-circuiting can occur when a metallic object like acoin, clip or pen causes a direct connection betweenthe + and – terminals of the battery (metal strips onthe battery). For example, do not carry a sparebattery in a pocket or bag where the battery maycontact metal objects. Short-circuiting the terminalsmay damage the battery or the object causing theshort-circuiting.• Dispose of used batteries in accordance with localregulations. Always recycle. Do not dispose ofbatteries in a fire.