Drive Devilbiss iGo2 Portable Oxygen Concentrator Battery

Up to 3.5 hours of operation on setting 2 for the Drive iGo2 Portable Oxygen Concentrator Convenient charging with AC power supply for home, DC power supply for vehicles, and an External Battery Charger for extra battery charging. Charge while in use, so you never run out of oxygen therapy Portable and reliable, providing oxygen therapy anywhere, anytime Authentic battery designed specifically for the Drive iGo2 Portable Concentrator