Inogen One G4 & Inogen Rove 4 Portable Oxygen Concentrator Battery Size:8 Cell (Double) where 1 is the minimum

where 1 is the minimum pressure relief and 3 is the maximum

Easy carry and cleaning

ResMed's AutoSet algorithm is proven to provide effective therapy

and effective solution that you expect only from Philips Respironics

Features an intuitive design and interface that can be quickly and easily mastered

Inogen One G4 & Inogen Rove 4 Portable Oxygen Concentrator Battery Size:8 Cell (Double) where 1 is the minimumThere are two Rechargeable Lithium Ion Battery options available the Single (4 Cell) Battery and the Double (8 Cell) Battery. Both batteries are designed for use with all Inogen One G4 Oxygen Concentrators and the Inogen Rove 4 Concentrator. The Inogen One G4 single battery (4 Cell) can last up to 2. 5 hours at a flow setting of 2 when it is fully charged. The Inogen One G4 double battery (8 Cell) can last up to 5 hours at a flow setting of 2 when it