246. Battery information■ Charging and dischargingYour device is powered by a rechargeable battery. The battery can be charged and dischargedhundreds of times, but it will eventually wear out. When the talk and standby times arenoticeably shorter than normal, replace the battery. Use only Nokia approved batteries, andrecharge your battery only with Nokia approved chargers designated for this device.If a replacement battery is being used for the first time or if the battery has not been usedfor a prolonged period, it may be necessary to connect the charger, then disconnect andreconnect it to begin charging the battery.Unplug the charger from the electrical plug and the device when not in use. Do not leave afully charged battery connected to a charger, since overcharging may shorten its lifetime.If left unused, a fully charged battery will lose its charge over time.If the battery is completely discharged, it may take several minutes before the chargingindicator appears on the display or before any calls can be made.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 objectsuch as a coin, clip, or pen causes direct connection of the positive (+) and negative (-) terminalsof the battery. (These look like metal strips on the battery.) This might happen, for example,when you carry a spare battery in your pocket or purse. Short-circuiting the terminals maydamage 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 between15°C and 25°C (59°F and 77°F). A device with a hot or cold battery may not work temporarily,even when the battery is fully charged. Battery performance is particularly limited intemperatures well below freezing.Do not dispose of batteries in a fire as they may explode. Batteries may also explode ifdamaged. Dispose of batteries according to local regulations. Please recycle when possible.Do not dispose as household waste.Do not dismantle or shred cells or batteries. In the event of a battery leak, do not allow theliquid to come in contact with the skin or eyes. In the event of such a leak, flush your skin oreyes immediately with water, or seek medical help.■ Talk and standby timesTalk time (ECTEL): up to 135 minutesStandby time (ECTEL): up to 280 hours