Charge your device with AC-18 charger. Charger plug type may vary.HMD Global may make additional battery or charger models available for this device.Battery and charger safetyAlways switch the device off and unplug the charger before removing the battery. To unplug a chargeror an accessory, hold and pull the plug, not the cord.When your charger is not in use, unplug it. If left unused, a fully charged battery will lose its charge overtime.Always keep the battery between 15°C and 25°C (59°F and 77°F) for optimal performance. Extremetemperatures reduce the capacity and lifetime of the battery. A device with a hot or cold battery maynot work temporarily.Accidental short-circuiting can happen when a metallic object touches the metal strips on the battery.This may damage the battery or the other object.Do not dispose of batteries in a fire as they may explode. Obey local regulations. Recycle when possible.Do not dispose as household waste.Do not dismantle, cut, crush, bend, puncture, or otherwise damage the battery in any way. If a batteryleaks, do not let liquid touch skin or eyes. If this happens, immediately flush the affected areas withwater, or seek medical help. Do not modify, attempt to insert foreign objects into the battery, orimmerse or expose it to water or other liquids. Batteries may explode if damaged.Use the battery and charger for their intended purposes only. Improper use, or use of unapproved orincompatible batteries or chargers may present a risk of fire, explosion, or other hazard, and mayinvalidate any approval or warranty. If you believe the battery or charger is damaged, take it to a servicecentre or your phone dealer before continuing to use it. Never use a damaged battery or charger. Onlyuse the charger indoors. Do not charge your device during a lightning storm.Small childrenYour device and its accessories are not toys. They may contain small parts. Keep them out of the reachof small children.Medical devicesOperation of radio transmitting equipment, including wireless phones, may interfere with inadequatelyshielded medical devices’ function. Consult a physician or the medical device’s manufacturer todetermine if it is adequately shielded from external radio energy.Implanted medical devicesTo avoid potential interference, manufacturers of implanted medical devices recommend a minimumseparation of 15.3 centimetres (6 inches) between a wireless device and the medical device. Personswho have such devices should:x Always keep the wireless device more than 15.3 centimetres (6 inches) from the medical device.