Mini Portable Oxygen Concentrator, Adjustable From 1-7 Liters/Minute, Equipped With a Removable Lithium Battery

OxyElf Elf-REA Portable Oxygen Concentrator

Professional Portable Oxygen Support for Home & Travel

The OxyElf Elf-REA portable oxygen concentrator is designed for users who require daily supplemental oxygen therapy.

Advanced Technology

• The Elf-REA utilizes PSA (Pressure Swing Adsorption) technology, molecular sieve technology, and a multi-stage filtration system to provide reliable oxygen concentrations whether at home or traveling.

Quiet and Durable

• The Elf-REA features a high-quality oxygen generator, an optimized airflow structure, and durable internal components; with an operating noise level not exceeding ≤45 dB(A), it ensures stable and reliable performance during daily use.

Removable Battery Design

• Removable and replaceable rechargeable lithium battery allows for flexible use of portable oxygen support while traveling, outdoors, during power outages at home, or when no external power source is available.

Lightweight and Portable

• The Elf-REA oxygen concentrator offers an adjustable oxygen flow rate of 1-7 LPM, weighs only 3.2 lbs (1.45 kg), has a compact design, and offers multiple power options including battery, AC, and DC, helping users maintain freedom of movement anytime, anywhere.

Why Choose the OxyElf Elf-REA?

1. Adjustable 1–7 LPM Oxygen Flow

The Elf-REA provides adjustable oxygen flow settings from 1 to 7 liters per minute (LPM).

Users can select the appropriate flow setting according to their prescribed oxygen requirements.

✔ 1–7 LPM adjustable flow

✔ Stable oxygen delivery

✔ Suitable for portable oxygen applications

2. High Oxygen Concentration with PSA Technology

The Elf-REA uses advanced:

• Pressure Swing Adsorption (PSA)
• Molecular sieve technology
  
• Multi-stage filtration system

To concentrate oxygen from ambient air.

The device delivers oxygen concentration of: 93% ±3% 

3. Lightweight Portable Oxygen Design

Portable oxygen concentrators are both convenient and easy to use.
The Elf-REA weighs approximately:  3.2 lbs (1.45 kg) including battery.
Compact dimensions: 6.69 × 3.14 × 7.79 inches
Its lightweight body and included carrying accessories make it easier to use.

4. Designed for Home & Travel Oxygen Support

The Elf-REA supports multiple environments:

Home Use

• Connect to household AC power for convenient indoor operation.

Vehicle Use

• Use the included DC car adapter during compatible vehicle travel.

Outdoor & Travel Use

• The rechargeable battery allows portable operation when external power is unavailable.

5. Long-Lasting Rechargeable Battery

The Elf-REA supports rechargeable lithium battery operation.

Battery options:  Standard 7600mAh battery
Battery runtime: 2.5–4.5 hours depending on flow setting and operating conditions.

6. Quiet Operation for Everyday Comfort

The Elf-REA uses a high-performance compressor and optimized internal design.
Operating noise: ≤45 dB(A)
The quiet design helps reduce disturbance during everyday use.

7. Easy Touchscreen Operation

The Elf-REA features:

2.8-inch Color Touch LCD Screen

Provides:

✔ Clear operating information

✔ Simple control adjustment

✔ Easy monitoring of device status

8. Three Flexible Power Options

The Elf-REA supports:

Rechargeable Battery

Portable operation without external power.

AC Power

Compatible with:

100–240V AC

DC Vehicle Power

Connect through compatible 12V vehicle power.

9. Advanced Filtration System

The Elf-REA includes a multi-stage filtration system designed to help filter airborne particles before oxygen concentration.

Combined with PSA technology, it supports stable oxygen output during operation.

Portable Oxygen Support for Everyday Life

The Elf-REA is designed for users who need supplemental oxygen support in different environments:

✔ Home oxygen use

✔ Medical oxygen therapy

✔ Road trips

✔ Outdoor activities

✔ Business travel

✔ Portable oxygen applications

Technical Specifications

Specification	Details
Product Name	OxyElf Elf-REA Portable Oxygen Concentrator
Oxygen Flow	Adjustable 1–7 LPM
Oxygen Concentration	93% ±3%
Technology	PSA Oxygen Concentration
Weight	Approx. 3.2 lbs (1.45kg)
Dimensions	170 × 80 × 198mm
Display	2.8-inch Color Touch LCD
Noise Level	≤45 dB(A)
Battery	7600mAh / Optional 9800mAh
Battery Runtime	Approx. 1.5–4 hours
AC Power	100–240V
DC Power	12V Vehicle Adapter
Warranty	1 Year Limited Warranty

Package Includes

✔ 1 × OxyElf Elf-REA Portable Oxygen Concentrator

✔ 1 × Rechargeable Lithium Battery

✔ 1 × Portable Backpack

✔ 1 × Air Intake Filters

✔ 1 × Water-Blocking Cotton Filters

✔ 1 × Water Bottle / Humidifier Bottle

✔ 1 × AC Power Adapter

✔ 1 × DC Car Charger

✔ 1 × Nasal Cannula

✔ 1 × User Manual

✔ 1 × Certificate of Conformity