Charging The Battery - NEC 535 Manual

Charging the Battery

Your phone is powered by a rechargeable battery. A new phone battery must be fully charged before using your wireless phone
the first time. Charge the battery by using the charger supplied with your wireless phone. When the battery is fully charged, a full
battery power level icon will be displayed.
Before trying to use your phone, ensure the SIM card is inserted and the battery is in place on the phone.
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Connect the NEC battery charger (AC adapter) supplied with your phone to a compatible power outlet.
Connect the charger plug into the connector at the side of the phone.
If your phone is turned on, a message will display on the 2nd-LCD. The LED will glow
red while charging. When charging is complete, the LED will turn off.
To fully charge the battery, leave the phone charging until the 2nd-LCD displays a full
battery icon and LED turns off.
If you need to receive calls, the wireless phone can be turned On and left in Idle while it is
charging, although the total time takes longer to charge.
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Using any battery pack, AC adapter, vehicle power adapter (optional) or desktop
charger (optional) not specified by NEC for use with this phone can be
dangerous and may invalidate any warranty and approval given to the wireless
phone.
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Do not connect more than one charger at any time and do not leave the charger
connected to the power outlet when it is not in use.
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DO NOT connect a charger or any other external DC source if the phone's
battery is not inserted. If this happens, the phone may not function properly.
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Do not try to charge the battery if the room temperature is below 5°C (41°F) or above 35°C (95°F).
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Charging takes approximately 3 hours with your phone turned off.
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If you use the phone while charging, handle the phone carefully since the cable or adapter is connected.
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When a battery is brand new or completely discharged, there could be a few minutes delay before the charging indicator
illuminates. This is not an abnormal occurrence.
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