VARON 1-5L/min Pulse Flow Portable Oxygen Concentrator NT-02
VARON 1-5L/min Pulse Flow Portable Oxygen Concentrator NT-02
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Shipping Information
Shipping Information
Free shipping on orders over $49 for U.S., Canada, and Mexico addresses. Orders under $49 have a shipping fee of $9.9.
Shipping Time: Machines typically ship within 3-5 business days, while accessories ship within 5-8 days.
Warranty Policy
Warranty Policy
The VARON oxygen concentrator comes with a one-year warranty period. Within one year from the date of product receipt, if your oxygen concentrator experiences any malfunctions caused by manufacturing defects, we will provide a free repair service. This warranty guarantees that the generator will be free from defects in materials and workmanship under normal use.
Suitable For
Suitable For
NT-02 provides high-purity oxygen with a 1–5 L/min flow rate, helping you breathe comfortably and stay energized. Its lightweight design makes it easy to carry at home, outdoors, or even in the car, giving you freedom and confidence wherever you go.
Get 18% off automatically at checkout.
Reliable Performance & Practical Functions
Dual Oxygen Delivery Modes
Compared to continuous oxygen, the dual-mode NT-02 conserves power, and compared to standard pulse mode, it delivers automatic oxygen every 3 seconds to assist those with shallow breathing.
Three Charging Options
AC Power Supply: Charge your NT-02 easily at home. A full charge takes about 4 hours.
DC Power Supply: Use your car, boat, or RV to charge on the go. Perfect for errands or road trips.
Extra Battery: Keep a spare battery for uninterrupted use while traveling, without needing a power outlet.
Large Removable Battery
NT-02 features a high-capacity 6400mAh battery for 6–7 hours of use. Lightweight and portable, it’s easy to take anywhere. Choose a standard or extended battery to suit your needs, and enjoy more freedom than the previous NT-01.
Purchasing an extra standard battery, up to 6–7 hours of battery life
Purchasing an extra extended battery, up to 8-9.5 hours of battery life
Oxygen Flow: 1-5L/min adjustable
Oxygen Mode: Pulse &1.5 seconds steady oxygen supply
Oxygen Concentration: 93% ± 3%
Dimensions(LWH): 7.2*3.6*10.1inches
Net Weight: 4.85lb
Noise: ≤58dB(A)
Battery Last: Up to 3.5 hours
Battery Capacity: 92Wh/6.4Ah
Power Supply: DC 12～16.8V; AC100～240V; 50/60Hz
Input Power: 68W
What’s Included with the NT-02
Comparison table
Find the right oxygen machine for your needs. Mobile users, please swipe the chart below left and right to view the comparison details.
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$ 999 |
$ 2495 |
$ 549 |
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93%±3 |
90% - 3% /+ 6% |
93%±3% |
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1-5L |
1-5L |
1-5L |
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Dual oxygen mode |
Pulse flow |
Pulse flow |
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4.85 Pounds |
4.9 Pounds |
7.05 Pounds |
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√ |
□ |
√ |
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4-8 H |
4-5 H |
4-8 H |
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3.5H（8-Cell） |
4.7H |
3H（8-Cell） |
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External |
External |
Internal |
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8-cell battery $169 |
8-cell battery $407 |
8-Cell battery $89 |
Eco-Friendly Oxygen Solution
Most oxygen tanks are bulky, need refills, and add carbon emissions.
The NT-02 portable oxygen concentrator draws oxygen directly from the air with a dual-mode system that adapts to your breathing and uses up to 30% less power.
No refills needed—just cleaner air and a cleaner planet.
√ ~85% lower transport emissions
√ Equal to saving 100 trees’ carbon absorption per year
√ Over 90% less single-use waste
As Seen On
Discover more in our FAQ
Shoot our team an email & we’ll get back to you ASAP
What is the double oxygen delivery mode?
What is the double oxygen delivery mode?
Most oxygen concentrators give oxygen only when they detect your breath. If your breathing is too shallow, the machine may miss some.
NT-02 has two modes. In sensor mode, it delivers oxygen when you inhale. If your breath is too light to detect, it switches to auto mode and gives oxygen every 3 seconds. This makes sure you always get a steady supply.
How to replace and charge the battery?
How to replace and charge the battery?
The battery of NT-02 is designed for effortless replacement in just 3 steps: 1. lay the machine flat; 2. pull and hold the trigger; 3. push on the trigger side and slide the battery out.
The battery can be charged in two ways: 1. When the battery is attached to the machine, simply connect the machine to AC/DC power with the corresponding power cord to charge. 2. When the battery is disassembled from the machine, connect the power cord to the independent power port on the battery to charge it. Check out the NT-02 manual for more detailed instructions.
Is the battery included in the package?
Is the battery included in the package?
Yes, the machine comes with a battery and all standard accessories.
If you need more time to use it, you can order extra batteries from our store. We offer two sizes: the standard 6360 mAh battery (about 3.5 hours) and the large 10400 mAh battery (about 6 hours).
How to find the right accessories for my device?
How to find the right accessories for my device?
We have a collection of accessories for our NT-02. You can look up the right accessories that match your device. Additionally, if you have any questions about accessories, please don't hesitate to contact us for assistance.
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