B a t t e r y i n f o r m a t i o n124. Battery informationYour device is powered by a rechargeable battery. The battery can be charged anddischarged hundreds of times, but it will eventually wear out. Recharge yourbattery only with Nokia approved chargers designated for this device.Unplug the charger from the electrical plug and the device when not in use. Donot leave a fully charged battery connected to a charger, since overcharging mayshorten its lifetime. If left unused, a fully charged battery will lose its charge overtime.Never use any charger that is damaged.Leaving the device in hot or cold places, such as in a closed car in summer orwinter conditions, will reduce the capacity and lifetime of the battery. Always tryto keep the battery between 15°C and 25°C (59°F and 77°F). A device with a hotor cold battery may not work temporarily, even when the battery is fully charged.Battery performance is particularly limited in temperatures well below freezing.Do not dispose of batteries in a fire as they may explode. Batteries may alsoexplode if damaged.