O2TOTES USA Premium Lightweight Carrier for Inogen One G5 Oxygen Concentrator, Portable Oxygen Backpack (polka dot)

O2TOTES USA Premium Lightweight Carrier for Inogen One G5 Oxygen Concentrator, Portable Oxygen Backpack (polka dot)

Inogen Extended (16-cell) Battery - for the Inogen One G5/Inogen Rove 6 - Up to 12 hours, 45 minutes of battery life on setting 1-2.18 lbs.

Inogen Standard (8-cell) Battery – Replacement Battery - for the Inogen One G5/Inogen Rove 6-1.19 lbs. and 7.19 x 3.26 x 1.04 in