35TipYour handset is powered by a Lithium Ion (Li-ion) battery.You can use the following Li-ion battery types for your handset.(Contact your local dealer for more information.)Standard-type battery.Slim-type battery.Precautions while Using the Battery• Do not use a damaged battery or charger.• Use the battery for the specified purpose only.• The closer you are to the base station, the longer thehandset usage time because less battery is consumed forconnection.• Battery charging time varies depending the remainedbattery capacity and the battery and charger type in use.• Battery life is shortened as time goes by.• Use authorized battery and charger only.• Since overcharging may shorten battery life, remove thebattery from its charger once it is fully charged. Unplug thecharger once charging is complete. Leaving the battery inhot or cold places, especially inside a car in summer orwinter, may reduce the capacity and life of the battery.Always keep the battery under normal temperatures.• Do not ground the battery. Grounding may occur when thebattery is in contact with a conductive object. A groundedhandset may also damage the battery.• Dispose and recycle used batteries in accordance withlocal regulations.• Do not dispose of the batteries in a fire.• Do not use an unauthorized charger.• In order to prevent injury or burns, ensure that a metalobject does not come into contact with the + and –terminals of the battery.