Nokia N90 User Manual

Also see for N90: Service manual User guide Additional applications User guide Manual

Contents

Nokia N90 User Manual Manual pdf 118 page image

Battery information118 Copyright © 2005 Nokia. All rights reserved.Battery informationCharging and dischargingYour device is powered by a rechargeable battery. The fullperformance of a new battery is achieved only after two orthree complete charge and discharge cycles. The battery canbe charged and discharged hundreds of times but it willeventually wear out. When the talk and standby times arenoticeably shorter than normal, replace the battery. Use onlyNokia approved batteries, and recharge your battery only withNokia approved chargers designated for this device.Unplug the charger from the electrical plug and the devicewhen not in use. Do not leave fully charged battery connectedto a charger, since overcharging may shorten its lifetime. Ifleft unused, a fully charged battery will lose its charge overtime.If the battery is completely discharged, it may take a fewminutes before the charging indicator appears on the displayor before any calls can be made.Use the battery only for its intended purpose. Never use anycharger or battery that is damaged.Do not short-circuit the battery. Accidental short-circuitingcan occur when a metallic object such as a coin, clip, or pencauses direct connection of the positive (+) and negative (-)terminals of the battery. (These look like metal strips on thebattery.) This might happen, for example, when you carry aspare battery in your pocket or purse. Short-circuiting theterminals may damage the battery or the connecting object.Leaving the battery in hot or cold places, such as in a closedcar in summer or winter conditions, will reduce the capacityand lifetime of the battery. Always try to keep the batterybetween 15°C and 25°C (59°F and 77°F). A device with a hotor cold battery may not work temporarily, even when thebattery 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 if damaged. Dispose of batteriesaccording to local regulations. Please recycle when possible.Do not dispose as household waste.Nokia battery authenticationguidelinesAlways use original Nokia batteries for your safety. To checkthat you are getting an original Nokia battery, purchase it froman authorized Nokia dealer, look for the Nokia OriginalEnhancements logo on the packaging and inspect thehologram label using the following steps:Successful completion of the four steps is not a totalassurance of the authenticity of the battery. If you have anyreason to believe that your battery is not an authentic original