Inogen One G4, User Manual, Page: 16 / 312

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3. Install the battery.
Insert the Inogen One® G4 battery by sliding
battery into place until the latch returns to the
upper position.
CAUTION The Inogen One® G4 battery acts as a secondary power supply in the event
of a planned or unexpected loss of the AC or DC external power supply. When
operating the Inogen One® G4 from an AC or DC external power supply, a
properly inserted Inogen One® G4 battery should be maintained in the unit.
This procedure will ensure uninterrupted operation and will operate all alerts
and alerts in the event of a loss of the external power supply.
4. Connect the Power Supply.
Connect the AC input plug to the power supply. Connect the AC power
plug to the power source and connect the power output plug to the
Inogen One® G4. The green LED on the power supply will be illuminated
and a beep will sound from the concentrator.
CAUTION Ensure the power supply is in a well ventilated location as it relies on
air circulation for heat dissipation. The power supply may become hot during
operation. Make sure the power supply cools down before handling.
CAUTION The power supply is not water resistant.
CAUTION Do not disassemble the power supply. This may lead to component failure
and/or safety risk.
CAUTION Do not place anything in the power supply port other than the supplied wall
cord. Avoid the use of electrical extension cords with the Inogen One® G4.
If an extension cord must be used, use an extension cord that has an
Underwriters Laboratory (UL) Mark and a minimum wire thickness of
18 gauge. Do not connect any other devices to the same extension cord.