14Copyright © 2005 Nokia. All rights reserved.4. Battery informationYour device is powered by a rechargeable battery. The full performance of a new battery isachieved only after two or three complete charge and discharge cycles. The battery can becharged and discharged 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. Do not leave afully charged battery connected to a charger, since overcharging may shorten its lifetime. Ifleft unused, a fully charged battery will lose its charge over time.Use the battery only for its intended purpose. Never use any charger or battery that isdamaged.Leaving the device in hot or cold places, such as in a closed car in summer or winterconditions, will reduce the capacity and lifetime of the battery. Always try to keep thebattery between 15°C and 25°C (59°F and 77°F). A device with a hot or cold battery may notwork temporarily, even when the battery is fully charged. Battery performance is particularlylimited in temperatures 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.