DeVilbiss iGo2 including Accessories

Selling a DeVilbiss iGo2 Portable Oxygen Concentrator (1 - 5 pulse dose) complete with carry case, 4 single batteries, AC and DC adapters and battery charger. Lightweight (less than 5 lbs). Smart Dose Technology automatically adjusts the oxygen dose in response to changes in your breathing pattern as well as AutoBreath Mode. The unit will automatically go into this mode if no breathing is detected and will dispense oxygen at regular intervals until breathing is detected or battery is depleted. Purchased in March 2023 and used occasionally for one year. Great for traveling. Retails for approximately $4,000.00, asking $1,400.00 obo.