Nokia 7020 User Manual

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Nokia 7020 User Manual Manual pdf 55 page image

BatteryBattery and charger informationYour device is powered by a rechargeable battery. The battery intended for use withthis device is BL-4S. Nokia may make additional battery models available for thisdevice. This device is intended for use when supplied with power from the followingchargers: AC-3. The exact charger model number may vary depending on the type ofplug. The plug variant is identified by one of the following: E, EB, X, AR, U, A, C, K, orUB.The battery can be charged and discharged hundreds of times, but it will eventuallywear out. When the talk and standby times are noticeably shorter than normal,replace the battery. Use only Nokia approved batteries, and recharge your batteryonly with Nokia approved chargers designated for this device.If a battery is being used for the first time or if the battery has not been used for aprolonged period, it may be necessary to connect the charger, then disconnect andreconnect it to begin charging the battery. If the battery is completely discharged, itmay take several minutes before the charging indicator appears on the display orbefore any calls can be made.Safe removal. Always switch the device off and disconnect the charger beforeremoving the battery.Proper charging. Unplug the charger from the electrical plug and the device when notin use. Do not leave a fully charged battery connected to a charger, since overchargingmay shorten its lifetime. If left unused, a fully charged battery will lose its charge overtime.Avoid extreme temperatures. Always try to keep the battery between 15°C and 25°C(59°F and 77°F). Extreme temperatures reduce the capacity and lifetime of the battery.A device with a hot or cold battery may not work temporarily. Battery performanceis particularly limited in temperatures well below freezing.Do not short-circuit. Accidental short-circuiting can occur when a metallic object suchas a coin, clip, or pen causes direct connection of the positive (+) and negative (-)Product and safety information 55