Inogen One G4 External Battery Charger

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Key Features:

  • For Inogen One G4 Single and Double Batteries
  • Charges your G4 battery outside of the concentrator
  • LED indicators display the battery status
  • Fully charges a Single Battery in 2 hours and Double Battery in 4 hours (approx.)
Product Details

Inogen One G4 External Battery Charger

Eliminate the worry of low battery alarms with the G4 External Battery Charger. With this essential accessory, you can charge your spare G4 batteries separately from the concentrator, giving you the power to explore further and stay unplugged for longer periods. Lightweight and compact, it's perfect for journeys of all lengths, ensuring you'll always have fully charged backup power, so you can adventure confidently.

Compatible Batteries

Inogen One G4 Single Battery
Inogen One G4 Double Battery

Recharge Time

Single battery: approx. 2 hrs
Double battery: approx. 4 hrs

Usage Instructions

To charge your G4 battery, plug the G4 External Battery Charger into a wall outlet using the included AC power supply. Then slide the charger onto the battery. The battery is in place when there’s an audible click and the red LED indicator lights up. 

The green LED indicator will light up when the battery is fully charged. Finally, to remove the battery, press the battery latch down and slide the charger off the battery. 


Dimensions: 3.00'' x 2.75'' x 1.00'' (approx.)
Weight: 0.85 lb (approx.)
AC Power Supply: 100-240 VAC (50-60 Hz)
Warranty: 1-year limited warranty

Technical Data
1-year limited warranty
Item Includes
  • Inogen One G4 External Battery Charger
  • AC Power Supply
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