Buy Airsep Focus Portable Oxygen Concentrator Official

Because the unit is so small, it relies on external batteries to keep its weight low:

Batteries take approximately 4 hours to fully recharge. Buying Guide: Where to Purchase Purchasing an AirSep Focus requires a medical prescription . AirSep Focus Portable Oxygen Concentrator - SpryLyfe buy airsep focus portable oxygen concentrator

The unit is FAA-approved for use on commercial flights and operates on universal power (AC/DC), making it suitable for international travel and car charging. Battery Life & Power Options Because the unit is so small, it relies

Typically comes with two micro batteries, each providing roughly 1.5 hours of use, for a total of 3 hours . Because the unit is so small

For longer outings, you can use the AirBelt (optional accessory), which can extend total operation time up to 7 hours .