The Respironics SimplyGo Oxygen Concentrator Lithium Ion Battery is the key to SimplyGo's mobility. There is no limit to how many batteries you can own. Need more time with your Portable Oxygen Concentrator? Just take along a few extra batteries (or 3. or 4 or 5), and you're good to go! Let the explorations and adventures begin!

SimplyGo Oxygen Batteries are compact and lightweight (at about 1.5 lb. each), and very accessible. The SimplyGo Batteries are very simple to change. All you gotta do is: slip out the used battery and slip in the new/recharged battery! And that's it, you're good to go another few hours!