B a t t e r y i n f o r m a t i o nCopyright © 2006 Nokia. All rights reserved. 7919. Battery information■ Charging anddischargingYour device is powered by arechargeable battery. The fullperformance of a new battery isachieved only after two or threecomplete charge and dischargecycles. The battery can be chargedand discharged hundreds of times,but it will eventually wear out. Whenthe talk and standby times arenoticeably shorter than normal,replace the battery. Use only Nokiaapproved batteries, and rechargeyour battery only with Nokiaapproved chargers designated forthis device.If a replacement battery is beingused for the first time or if thebattery has not been used for aprolonged period, it may benecessary to connect the chargerand then disconnect and reconnectit to start the charging.Unplug the charger from theelectrical plug and the device whennot in use. Do not leave fully chargedbattery connected to a charger, sinceovercharging may shorten itslifetime. If left unused, a fullycharged battery will lose its chargeover time.If the battery is completelydischarged, it may take a few minutesbefore the charging indicator appearson the display or before any calls canbe made.Use the battery only for its intendedpurpose. Never use any charger orbattery that is damaged.Do not short-circuit the battery.Accidental short-circuiting can occurwhen a metallic object such as a coin,clip, or pen causes direct connectionof the positive (+) and negative (-)terminals of the battery. (These looklike metal strips on the battery.) Thismight happen, for example, when youcarry a spare battery in your pocket orpurse. Short-circuiting the terminalsmay damage the battery or theconnecting object.Leaving the battery in hot or coldplaces, such as in a closed car insummer or winter conditions, willreduce the capacity and lifetime ofthe battery. Always try to keep thebattery between 15°C and 25°C (59°Fand 77°F). A device with a hot or coldbattery may not work temporarily,even when the battery is fullycharged. Battery performance isparticularly limited in temperatureswell below freezing.