1-5L Portable Oxygen Concentrator NT-02+An Extra 8 Cell/ 16 Cell Battery

NT-02 Highlights：▪️ Dual mode: Pulse dose + Release Oxygen Every 1.5 Seconds ▪️ 93% ± 3% Oxygen Concentration ▪️ 3-4 Hours Long Battery Lasting( Click here to get extra batteries.)▪️ Replaceable Battery (Charger included in the package.)▪️ Only 4.85Lb Lightweight ▪️ Full Sets of Accessories▪️ Free Versatile BagComparison of NT-02/Inogen One G3/NT-01(To access this table on a mobile device, please swipe left or right to view the comparison details.) Model &Features Model NT-02 Inogen One G3 NT-01 Price $ 999   $ 2495  $ 549 Oxygen concentration  93%±3  90% - 3% /+ 6%  93%±3% Adjustable flow  1-5L  1-5L   1-5L Operation mode  Pulse flow+ Release oxygen every 1.5 seconds   Pulse flow  Pulse flow Low noise  ≤58db  ≤42db  ≤58db Weight 4.85 Pounds  4.9 Pounds  7.05 Pounds Intelligent control &display √ √ √ Timing function  √  □ √  Charging time  4-8 H  4-5 H  4-8