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The Inogen One G3 8 Cell rechargeable battery can last up to 4 hours at a flow setting of 2 when it is fully charged. The 8 cell battery is a perfect power source when you need extra battery life for trips or other activities.
The battery can be charged in 3 hours and will charge while the Inogen G3 is connected to an AC or DC power supply. It can be charged with the Inogen One External Battery Charger.