The Inogen One G5 Double Battery is a perfect power source to give you independence and mobility for extended vacations or trips. The rechargeable lithium-ion double battery provides up to 13 hours at a flow setting of 2 when fully charged.
The Double Battery is small enough to easily fit in a backpack, accessory bag, or purse. It can easily be charged with the G5 External Battery Charger or with the Inogen G5 when it is connected to an AC or DC power supply. A fully depleted battery can be charged in under 3 hours.