B a t t e r y a n d c h a r g e r i n f o r m a t i o n62If 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,it may 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.Unplug the charger from the electrical plug and the device when not in use. Do notleave fully charged battery connected to a charger, since overcharging may shortenits lifetime. If left unused, a fully charged battery will lose its charge over time.Avoid extreme temperatures. Always try to keep the battery between 15°C and25°C (59°F and 77°F). Extreme temperatures reduce the capacity and lifetime ofthe battery. A device with a hot or cold battery may not work temporarily. Batteryperformance is particularly limited in temperatures well below freezing.Do not short-circuit. Accidental short-circuiting can occur when a metallic objectsuch as a coin, clip, or pen causes direct connection of the positive (+) and negative(-) terminals of the battery. (These look like metal strips on the battery.) This mighthappen, for example, when you carry a spare battery in your pocket or purse. Short-circuiting the terminals may damage the battery or the connecting object.Disposal. Do not dispose of batteries in a 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 or batteries.In the event of a battery leak, prevent battery liquid contact with skin or eyes. Ifthis happens, flush the affected areas immediately with water, or seek medicalhelp.