Secondhand Inogen One G3 2.2kg Portable Oxygen Concentrator

Objective AI Report

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Report date: 07.09.2025

Inogen One G3 Portable Oxygen Concentrator Analysis Report

Product Identification and Use Cases

The product shown in the visuals is a portable oxygen concentrator. This device is designed to provide high-density oxygen to its user by separating nitrogen from ambient air. Accessories such as a carrying bag and a power adapter are also included with the device. Thanks to its compact structure, it is suitable for mobile use and is used by individuals requiring respiratory support.

Brand and Model

During the detailed examination, it is clearly visible that Inogen One G3 is written on the top panel of the device and in the accompanying documents. Furthermore, the model information IO-300 is specified on the label on the bottom of the device. Based on this information, the product’s brand has been definitively identified as Inogen One and its model as G3 (IO-300).

Quantity Information

The following product and accessories are featured in the visuals:

• 1 Inogen One G3 Oxygen Concentrator
• 1 Carrying Bag
• 1 Power Adapter
• Various Documents

General Condition and State

The general condition of the device is quite good and can be described as “lightly used”. No significant wear or usage marks were found on the product’s white casing. It generally has a clean and well-maintained appearance.

Physical Deformations

No physical deformations such as scratches, dents, cracks, discoloration, or stains were observed on the product’s casing, control panel, or ventilation grilles. Its surface is clean.

Mechanical and Electronic Components

The device’s mechanical parts, such as buttons, ventilation covers, and the battery compartment, are visually in perfect condition. There are no broken or missing parts. The control panel and screen, representing the electronic components, appear intact; however, since the device is not operational, no comment can be made regarding the screen content.

Accessories

An original dark blue carrying bag and a power adapter are seen with the product. The zippers and fabric of the carrying bag are in good condition. There are no dents or damage on the power adapter and its cable.

Battery Condition

An external battery is attached to the device. No adverse conditions such as swelling, leakage, or deformation were observed in the physical structure of the battery. However, it is not possible to obtain information about the battery’s performance or lifespan from the visual.

Label Information

The label on the bottom surface of the device contains the following information:

• Model: IO-300
• Description: INOGEN ONE G3 OXYGEN CONCENTRATOR
• Input: 13.5 V — 15 V — W
• Output: 90% OXYGEN
• Manufacturer: INOGEN INC. 326 BOLLAY, GOLETA, CA 93117, USA

The label also includes various standard and safety symbols, such as the CE mark.

Documents

A document in German related to the product and a business card belonging to the Respitek company are visible in the visuals. Although the content of the document cannot be fully read, it bears the title “INOGEN ONE G3 (HF) Mobile Sauerstoffkonzentrator”. There is no clear evidence of the existence of an invoice or warranty document.

Potential Malfunction Risk

Based on the examinations in the visuals, it can be said that the physical condition of the device is very good. No findings indicating a potential malfunction risk, such as crushed cables, significant wear on the casing, or rust, were observed. The current state of the product indicates that it is suitable for long-term use with regular maintenance.