135RReeffeerreennccee IInnffoorrmmaattiioonn134RReeffeerreennccee IInnffoorrmmaattiioonn• Use only Samsung-approved batteries andrecharge your battery only with Samsung-approvedchargers. When a charger is not in use, disconnectit from the power source. Do not leave the batteryconnected to a charger for more than a week,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 places, suchas in a car in summer or winter conditions, as youwill reduce the capacity and life-time of thebattery. Always try to keep the battery at roomtemperature. A phone with a hot or cold batterymay temporarily not work, even when the batteryis fully charged. Li-ion batteries are particularlyaffected by temperatures below 0 °C (32 °F).• Do not short-circuit the battery. Accidental shortcircuiting can occur when a metallic object (coin,clip or pen) causes a direct connection betweenthe + and - terminals of the battery (metal stripson the back of the battery), for example whenyou carry a spare battery in a pocket or bag.Short-circuiting the terminals may damage thebattery or the object causing the short-circuit.• Dispose of used batteries in accordance with localregulations. Always recycle. Do not dispose ofbatteries in a fire.Using the BatteriesYour phone is powered by a rechargeable Li-ionstandard battery.The following batteries are also available (ask yourSAMSUNG dealer for further details):– Slim battery– Standard batteryPrecautions When Using Batteries• Never use any charger or battery that is damagedin any 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 timesare greatly affected by the signal strength on thecellular network and the parameters set by thenetwork operator.• Battery charging times depend on the remainingbattery charge and the type of battery and chargerused. The battery can be charged and dischargedhundreds of times, but it will gradually wear out.When the operation time (talk time and standbytime) is noticeably shorter than normal, it is timeto buy a new battery.• If left unused, a fully charged battery willdischarge itself over time.