Secondhand Airsep Freestyle 5 2.8kg Portable Oxygen Concentrator

Objective AI Report

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Report date: 27.11.2025

AirSep FreeStyle 5 Portable Oxygen Concentrator Analysis Report

Device Identification

The main device in the visuals is a portable oxygen generation (concentrator) device used for medical purposes. In addition to this main unit, a set consisting of an external battery belt that extends the system’s operating time, power adapters with different power ratings, a car charger, carrying bags, and a user manual is present.

Brand and Model

As a result of detailed visual analysis, the device’s brand has been identified as AirSep, and its model as FreeStyle 5. This information has been 100% verified by the logo on the device’s top control panel, side labels, and the user manual featuring the “FreeStyle 5” inscription in the visuals. The black battery belt on the left side of the device is an AirSep branded external power unit known as “AirBelt.”

Originality

The overall manufacturing quality of the product, the regularity of the “AirSep” logo, the compliance of the warning labels with standards, and the presence of accompanying accessories (especially the “HE Power Systems” brand medical-grade adapters) indicate that it is supplied by the original equipment manufacturer (OEM). The device and accessories appear original.

Areas of Use

The AirSep FreeStyle 5 is designed to meet the oxygen needs of patients suffering from COPD (Chronic Obstructive Pulmonary Disease), pulmonary fibrosis, or respiratory failure. Its “portable” nature allows patients to continue their oxygen therapy uninterrupted outside the home, during travel, or social activities. With pulse flow technology, it delivers oxygen only when the patient inhales.

Quantity Information

The following items are included as a set in the visuals:

• 1 AirSep FreeStyle 5 Oxygen Concentrator Main Unit
• 1 AirSep FreeStyle Carrying Bag (Black)
• 1 Spare/Accessory Bag (with AirSep Logo)
• 1 External Battery Belt (AirBelt – with its own control panel)
• 1 HE Power Systems AC Power Adapter (Large size)
• 1 HE Power Systems AC Power Adapter (Medium size)
• 1 Car Cigarette Lighter Charging Adapter
• 2 Power Cables (Plug end)
• 1 Spiral-Bound User Manual

Total Number of Parts: The set consists of 10 parts in total (including cables and manual).

General Condition

The device is generally in used condition. While no breaks or cracks are visible on its casing, there are noticeable signs of wear due to active use. The cosmetic condition of the device is moderate and it requires a detailed exterior cleaning.

Physical Deformities

The most noticeable physical deformity of the device is the extensive hairline scratches and dullness on the transparent plastic cover protecting the control panel on the top. Although this does not prevent the screen from being read, it indicates aesthetic wear. Additionally, accumulated dust and dirt are present in the air intake grilles and at the casing’s joining points. No deep impact marks were found on the body plastic.

Electronic Components

One of the visuals shows the device in working condition. The “5” level indicator light on the top panel was observed to be glowing green. This proves that the device is receiving power and its electronic control board is active. Furthermore, battery level indicators (25%, 50%, 75%, 100%) are present on the panel, but as of the moment the photo was taken, only the setting light appears active.

Mechanical Components

The device’s air intake grilles and oxygen output port (nozzle) are physically intact. The buttons on the keypad are in place. The stitching and structure of the carrying bag appear sturdy.

Battery Status

In addition to the device’s internal battery, the set includes an AirBelt (Battery Belt).

Internal Status: The device lights being on indicates that the power system is operational, but the battery life cannot be determined from the visual.

External Battery (AirBelt): The belt unit in the visual features a “BATT” button and charge indicator LEDs. This accessory is used to extend the device’s operating time.

Accessories and Power Units

Two different AC power adapters are notable in the visuals. Both are “HE Power Systems” brand, but their technical specifications differ:

• 1. Adapter (Large – Left Side): Model MWA150D15A. Output power 15V. This adapter is likely used to charge or power the main unit.
• 2. Adapter (Medium – Bottom Part): Model MWA100018A (P/N: 4274-001). Output power 18V – 5.6A. This adapter’s different voltage rating (18V) suggests it might be for the external battery belt or a different charging configuration.
• Car Adapter: A black-colored adapter with a cigarette lighter input is present.

Label Information

The following information can be read from the labels on the device and adapters:

• Brand Logo: AirSep (On the main device and bag).
• Adapter 1 Model: HE Power Systems MWA150D15A – Output: 15V.
• Adapter 2 Model: HE Power Systems MWA100018A – P/N: 4274-001 – Output: 18V 5.6A.
• Panel Labels: Level numbers from 1-5, BATT (Battery) button, and % percentage segments.

Documents

The set includes an original, multi-language (Manuel du patient, Patient Manual, etc.) user manual titled “FreeStyle 5”. A warranty certificate or invoice is not present in the visuals.

Potential Fault Risk

No “Service Required” or similar yellow/red fault warning light is illuminated in the visuals; the “5” level indicator light is a normal green. However, dust accumulation in the device’s grilles could lead to overheating issues in the long term, making filter maintenance important. Currently, no critical break or cable deformation that would prevent the device from operating has been observed.