The ARYA Airvito Battery is the power behind your ARYA Airvito portable oxygen concentrator, ensuring that you get the consistent oxygen supply you need, day in and day out. This rechargeable lithium ion battery gives you the freedom you were seeking when you chose the ARYA Airvito as your oxygen solution. Powered by the ARYA Airvito battery, your portable oxygen concentrator provides hours of dependable, uninterrupted oxygen therapy. This efficient battery system outperforms traditional oxygen tank reservoirs, ensuring that as long as your battery is charged, your oxygen supply is unending. Recharging the ARYA Airvito battery is incredibly simple, with 3 available options to suit your location and lifestyle. At home, the AC power supply is your go-to charging method, providing the quickest way to recharge while using your concentrator. On the road, the DC power supply lets you recharge in your vehicle via the cigarette lighter outlet. If you have more than one battery, you can use the ARYA Airtivo external battery charger. Battery life ranges from up to 5 hours on pulse 1 to up to 2 hours 50 minutes on pulse 5.