The blocks on the display show the charge status of your battery pack.Full battery powerPartial battery powerLow battery powerBattery empty1 (red)Low battery indicationWhen the battery voltage falls below the working level, a message “Battery is low” will be displayed along with anempty battery icon on the top right corner of the screen. When displaying battery low notification, the phone alsoemit a short alert tone. Once these indicators are observed, the phone battery has approximately one minute of useremaining. After which, the phone powers off automatically.Charging the batteryThe charger unit begins to restore the battery power when it is connected to the phone.• Connect the charger plug to the connector at the base of the phone (see right above).• Check that the battery icon is displayed and the screen is lighted up.During charging, the battery icon becomes animated. When charging is complete, the battery icon stops moving.If you need to make or receive calls, the phone can be switched on while it is charging, although the total timetaken to charge will be increased.The phone is designed to be charged with NEC equipment listed with the specifications of your phone.Changing the batteryMake sure the phone is switched off. Some settings, stored numbers, and messages may be lost if the battery isremoved while the power is on.1 Press down the rear cover.2 Slide the rear cover about 8 mm in the direction indicated by the arrows.3 Remove the rear cover.When disconnecting thecharger, hold and push theplug upwards/downwards orpull the plug, not the cord.Using any battery pack or ACadapter not specified by NECfor use with this phone maybe dangerous and mayinvalidate any warranty andapproval given to the phone.Do not leave the chargerconnected to the powersupply when it is not in use.Do not try to charge thebattery if the temperature isbelow 5 o C(41F) or above35 oC(95F).Please charge the batteryas much as possible whenthe battery is very low.You are recommended toCharge connectorChargerplug