with power from the following chargers: AC-3. The exactcharger model number may vary depending on the typeof plug. The plug variant is identified by one of thefollowing: E, EB, X, AR, U, A, C, K, or UB.The battery can be charged and discharged hundreds oftimes, but it will eventually wear out. When the talk andstandby times are noticeably shorter than normal,replace the battery. Use only Nokia approved batteries,and recharge your battery only with Nokia approvedchargers designated for this device.If a battery is being used for the first time or if the batteryhas not been used for a prolonged period, it may benecessary to connect the charger, then disconnect andreconnect it to begin charging the battery. If the batteryis completely discharged, it may take several minutesbefore the charging indicator appears on the display orbefore any calls can be made.Safe removal. Always switch the device off anddisconnect the charger before removing the battery.Proper charging. Unplug the charger from the electricalplug and the device when not in use. Do not leave a fullycharged battery connected to a charger, sinceovercharging may shorten its lifetime. If left unused, afully charged battery will lose its charge over time.Avoid extreme temperatures. Always try to keep thebattery between 59°F and 77°F (15°C and 25°C). Extremetemperatures reduce the capacity and lifetime of thebattery. A device with a hot or cold battery may not worktemporarily. Battery performance is particularly limitedin temperatures well below freezing.Do not short-circuit. Accidental short-circuiting can occurwhen a metallic object such as a coin, clip, or pen causesdirect connection of the positive (+) and negative (-)terminals of the battery. (These look like metal strips onthe battery.) This might happen, for example, when youcarry a spare battery in your pocket or purse. Short-circuiting the terminals may damage the battery or theconnecting object.Disposal. Do not dispose of batteries in a fire as they mayexplode. Dispose of batteries according to localregulations. Please recycle when possible. Do notdispose as household waste.Leak. Do not dismantle, cut, open, crush, bend, puncture,or shred cells or batteries. In the event of a battery leak,prevent battery liquid contact with skin or eyes. If thishappens, flush the affected areas immediately withwater, or seek medical help.Damage. Do not modify, remanufacture, attempt toinsert foreign objects into the battery or immerse orexpose it to water or other liquids. Batteries mayexplode if damaged.Correct use. Use the battery only for its intendedpurpose. Improper battery use may result in a fire,explosion, or other hazard. If the device or battery isdropped, especially on a hard surface, and you believethe battery has been damaged, take it to a service centerfor inspection before continuing to use it. Never use anycharger or battery that is damaged. Keep your batteryout of the reach of small children.Nokia battery authentication guidelinesAlways use original Nokia batteries for your safety. Tocheck that you are getting an original Nokia battery,purchase it from a Nokia authorized service center ordealer, and inspect the hologram label using thefollowing steps:Authenticate hologram1 When you look at the hologram on the label, youshould see the Nokia connecting hands symbolfrom one angle and the Nokia OriginalEnhancements logo when looking from anotherangle.2 When you angle the hologram left, right, downand up, you should see 1, 2, 3 and 4 dots on eachside respectively.Successful completion of the steps is not a totalassurance of the authenticity of the battery. If you28 Battery© 2009 Nokia. All rights reserved.