Secondhand G-Life Elif 2.9kg Portable Oxygen Concentrator

Objective AI Report

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Report date: 15.12.2025

GLife ELIF Portable Oxygen Concentrator Detailed Analysis Report

Device Identification

The product examined in the visuals is a medical device set that allows patients needing respiratory support to receive oxygen while mobile. The system consists of a main concentrator unit, external rechargeable battery, mains power adapter, car charger adapter, carrying bag, and user manual. The product is a compact model designed for portable use with battery support, rather than a stationary device.

Brand and Model

As a result of detailed visual inspections, the brand has been identified as GLife based on the logos on the front of the device and the user manual. The device’s model is ELIF, as clearly stated next to the logo on the front panel and on the user manual cover. On the front of the device, there is a control panel with Turkish and English descriptions (Dokunmatik Tuşlar, Long press to turn on…). The battery label contains the phrase “POC RECHARGEABLE BATTERY”.

Authenticity and Visual Quality

The logos on the product, label printing quality, mold craftsmanship, and Turkish documentation support such as “KULLANMA KILAVUZU” (User Manual) indicate that the product is an original item belonging to the brand. Furthermore, the screen quality and keypad layout comply with industrial standards.

Areas of Use

This device is designed to meet the oxygen needs of patients suffering from COPD (Chronic Obstructive Pulmonary Disease) or other respiratory insufficiencies when they are away from home, traveling, or in a mobile state. The car cigarette lighter adapter and carrying bag in the visuals confirm that the product is a medical device supporting an active lifestyle. Thanks to its battery-powered structure, it can provide oxygen support even in locations without access to electricity.

Quantity Information

The quantities of the items in the set shown in the visuals are as follows:

• 1 GLife ELIF Oxygen Concentrator Main Unit
• 1 Mains Type AC Adapter (with adapter box and power cable)
• 1 In-Car Cigarette Lighter Charging Adapter
• 1 External Rechargeable Lithium-ion Battery
• 1 Special Carrying Backpack
• 1 User Manual Booklet

General Condition

The cosmetic condition of the device can be visually classified as “near-new” or “very lightly used”. Specifically, the fact that the protective gelatin covers on the carrying handle have not yet been removed, and the cleanliness of the user manual, suggest that the product has changed hands very little or has only been used for testing purposes. No yellowing or dirt is observed on the white plastic casing.

Physical Deformation Examination

No cracks, fractures, deep scratches, or impact marks were found on the outer casing, corners, or screen of the device. The plastic components retain their shine. Although slight liftings (due to the protective gelatin) are visible in the coatings around the top carrying handle, this is not a deformation.

Mechanical and Electronic Components

During visual inspection, the integrity of the mechanical parts (it is estimated that rubber feet are used instead of wheels, air ducts, etc.) has been preserved. Regarding the condition of the electronic components;

• Screen: The LCD screen is intact, and it is seen working and displaying a clear image in visual 4.
• Keypad: There is no wear on touch button areas such as “Power”, “Grade”, “Time”.
• Connection Ports: The power input and battery connection cables on the side of the device appear to be intact.

Usage Duration

One of the most important findings is on the screen display. The “Accumulated hours” display on the device’s LCD screen shows 0002.5. This proves that the device has only been used for 2.5 hours. This duration is a very significant data point, indicating that the device is in almost “zero” condition.

Accessories and Battery Condition

The device comes with a rich set of accessories:

• Battery: In the visuals, a large black battery unit connected by a cable, separate from the device, is seen. The lit level indicator lights on the battery (the charge indicator is active in visual 4) show that the battery holds energy. Its label contains “18650×8 3.7V 3200-3500mA” cell information and the phrase “Reusable Battery (Long-Life 1st Quality Batteries Used)”. No swelling or damage is observed on the battery casing.
• Bag: A specially designed gray carrying bag with mesh compartments that allow the device to breathe is available. The bag appears new and free of tears.
• Adapters: Both home (AC) and car (DC) adapters are complete. There is no crushing or fraying on the cables.

Label Information

The technical details read from the label on the battery are as follows:

• Type: POC RECHARGEABLE BATTERY (Li-ion Battery)
• PCB: PCB 4510A CURRENT VOLTAGE LIMITER
• Cell Structure: 18650×8 3.7V

The date 16.06.2022 is visible on the user manual.

Screen Analysis and Operating Mode

When the device is operating (Visual 4), the data on the screen is as follows:

• Numerical Value (Large Blue): 0002.5 (Total usage hours).
• Level: 03 (The current flow/level setting is observed to be at the 3rd level).
• Illumination: The screen’s blue backlight and keypad illuminations (Power button light, Oxygen symbol light) are working without issues.

Year of Manufacture and Documents

The date on the user manual is June 16, 2022. This date indicates that the device was manufactured or packaged around mid-2022. Although a warranty certificate is not clearly visible with the device, the presence of the official user manual is positive for reliability.

Existing Malfunctions and Potential Risks

As a result of the visual analysis, no signs of malfunction (error code, broken part, warning light) have been detected on the device. The device is receiving power, and the screen data is normal. No potential risk factors (rusting, exposed wire ends, etc.) have been observed. However, as with all rechargeable devices, battery performance cannot be fully measured visually, so the performance of batteries that have been stored for a long time should be tested by the user. The device’s very low usage hours indicate that it is at the beginning of its electronic lifespan.