25°C (59°F and 77°F). Extremetemperatures reduce the capacity andlifetime of the battery. A device with ahot or cold battery may not worktemporarily. Battery performance isparticularly limited in temperatureswell below freezing.Do not short-circuit. Accidental short-circuiting can occur when a metallicobject such as a coin, clip, or pen causesdirect connection of the positive (+) andnegative (-) terminals of the battery.(These look like metal strips on thebattery.) This might happen, forexample, when you carry a spare batteryin your pocket or purse. Short-circuitingthe terminals may damage the batteryor the connecting object.Disposal. Do not dispose of batteries ina fire as they may explode. Dispose ofbatteries according to local regulations.Please recycle when possible. Do notdispose as household waste.Leak. Do not dismantle, cut, open, crush,bend, puncture, or shred cells orbatteries. In the event of a battery leak,prevent battery liquid contact with skinor eyes. If this happens, flush theaffected areas immediately with water,or seek medical help.Damage. Do not modify, remanufacture,attempt to insert foreign objects intothe battery, or immerse or expose it towater or other liquids. Batteries mayexplode if damaged.Correct use. Use the battery only for itsintended purpose. Improper battery usemay result in a fire, explosion, or otherhazard. If the device or battery isdropped, especially on a hard surface,and you believe the battery has beendamaged, take it to a service centre forinspection before continuing to use it.Never use any charger or battery that isdamaged. Keep your battery out of thereach of small children.Nokia battery authenticationguidelinesAlways use original Nokia batteries foryour safety. To check that you aregetting an original Nokia battery,purchase it from a Nokia authorisedservice centre or dealer, and inspect thehologram label using the followingsteps:Battery 63CyanCyan MagentaMagenta YellowYellow BlackBlack