13Copyright © 2005 Nokia. All rights reserved.4. Battery informationYour device is powered by a rechargeable battery. The full performance of a newbattery is achieved only after two or three complete charge and discharge cycles.The battery can be charged and discharged hundreds of times but it willeventually wear out. Recharge your battery only with the charger supplied withthis device.Unplug the charger from the electrical plug and the device when not in use. Donot leave the battery connected to a charger. Overcharging may shorten itslifetime. If left unused, a fully charged battery will lose its charge over time.Temperature extremes can affect the ability of your battery to charge.Use the battery only for its intended purpose. Never use any charger or batterythat is damaged.Leaving the device in hot or cold places, such as in aclosed 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 hot orcold 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! Dispose of batteries according to localregulations. Please recycle when possible. Do not dispose as household waste.