Inogen One G4 Single Battery

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  • Ship to credit card billing address only, no address changes due to frequent fraud.
  • Battery may be returned if unused and in original packaging.
  • Ground shipping to lower 48 US states only.

Key Features:

  • Replacement/backup lithium-ion battery for Inogen One G4 Portable Oxygen Concentrator
  • FAA-approved
  • Lasts up to 2.7 hours fully charged
  • Fast recharge in 3 hours or less
  • Battery latch for easy removal
  • LED indicators display battery life
Product Details

Inogen One G4 Single Battery

Designed for the Inogen One G4 Portable Oxygen Concentrator, the G4 Single Battery empowers you to stay active and independent.

With a battery runtime of 2.7 hours on a full charge, this FAA-approved lithium-ion battery is perfect for running errands, or simply enjoying time with loved ones. It also acts as a backup power supply when there’s a loss of AC or DC power. 

Never be tethered to an outlet again. Compatible with both AC and DC power, the G4 Single Battery keeps you powered wherever you roam. Charge it on the go with your Inogen G4 DC Adapter or plug it into a wall outlet at home. 

If you need a spare battery ready, invest in the G4 External Battery Charger to charge a battery while using your G4 oxygen concentrator.

Battery Duration

Battery duration listed below are approximate values. Battery duration is affected by a number of factors including operating temperature, battery age, altitude etc. 
Setting 1:
2 hours 40 minutes
Setting 2: 2 hours 15 minutes
Setting 3: 1 hours 20 minutes

>>Need more battery life? Get the Inogen One G4 Double Battery for up to 5 hours of runtime on a single charge.<<

Battery Life Indicator

To check the remaining battery life, simply press the green battery icon button and wait for the LED indicators to light up. The number of illuminated LEDs will tell you the amount of battery charge available:

4 LEDs: 75% to 100%
3 LEDs: 50% to 75%
2 LEDs: 25% to 50%
1 LED: 10% to 25%
1 blinking LED: Less than 10%. The battery needs to be recharged.

Usage Instructions

  1. Power off the concentrator before replacing the battery.
  2. Then press and hold the battery latch button and slide the battery off from the bottom of your Inogen One G4 concentrator.
  3. Slide the new battery into place until the battery latch button returns to its original position with a click. 

Note: When charging a fully depleted battery, the charging process may start and pause for the first few minutes. 

Battery Care Information

To extend the runtime of the battery, avoid running the Inogen One G4 in temperatures below 41°F (5°C) or higher than 95°F (35°C) for prolonged periods. 

Store the G4 Single Battery in a cool, dry place when not in use. For optimal battery health, please do not store the battery with less than 40-50% charge.

If you have more than one G4 battery, rotate the use of each battery regularly and avoid leaving batteries idle for more than 90 days at a time.

Technical Data
5.91" x 2.68" x 1.3" (LxWxH)
1-year limited warranty
Battery Duration
Up to 2.7 hrs on setting 1
Battery Recharge
Up to 3 hrs (AC/DC); up to 2 hrs (external charger)
12.0 to 16.8 VDC (+/- 0.5V)
Item Includes

 1x Inogen One G4 Single Battery

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