Nokia 3711 Fold User Manual

Also see for 3711 fold: Service manual User guide

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 n5317. Battery and charger information■ Charging and dischargingYour 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 thefollowing charger: AC-8. The exact charger model number may vary depending onthe type of plug. The plug variant is identified by one of the following: E, EB, X, AR,U, A,C or UB.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. Use of otherbatteries or chargers may present a risk of fire, explosion, leakage, or other hazard.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,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 of