Nokia 6638 User Manual

Contents

Nokia 6638 User Manual Manual pdf 112 page image

Reference information112Copyright © 2005 Nokia. All rights reserved.Reference informationThis section provides information about your phone’sbatteries, enhancements, chargers, safety guidelines andtechnical information. Be aware that the information in thissection is subject to change as batteries, chargers, andenhancements change.Battery informationYour 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, buy a new 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 the battery connected to acharger. Overcharging may shorten its lifetime. If left unused,a fully charged battery will lose its charge over time.Temperature extremes can affect the ability of your battery tocharge.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 59°F and 77°F (15°C and 25°C). 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! Dispose of batteriesaccording to local regulations. Please recycle when possible.Do not dispose as household waste.FCC Draft.