18Leaving the battery in hot or cold places, such as in a closed car in summer or winter conditions,will reduce the capacity and lifetime of the battery. Always try to keep the battery between15°C and 25°C (59°F and 77°F). A device with a hot or cold battery may not work temporarily,even when the battery is fully charged. Battery performance is particularly limited intemperatures well below freezing.Do not dispose of batteries in a fire as they may explode. Batteries may also explode ifdamaged. Dispose of batteries according to local regulations. Please recycle when possible.Do not dispose batteries as household waste.■ Nokia battery authentication guidelinesAlways use original Nokia batteries for your safety. To check that you are getting an originalNokia battery, purchase it from an authorized Nokia dealer, look for the Nokia OriginalEnhancements logo on the packaging and inspect the hologram label using the following steps:Successful completion of the four steps is not a total assurance of the authenticity of the battery.If you have any reason to believe that your battery is not an authentic original Nokia battery,you should refrain from using it and take it to the nearest authorized Nokia service point ordealer for assistance. Your authorized Nokia service point or dealer will inspect the batteryfor authenticity. If authenticity cannot be verified, return the battery to the place of purchase.Authenticate hologram1. When looking at the hologram on the label, you should seethe Nokia connecting hands symbol from one angle and theNokia Original Enhancements logo when looking fromanother angle.