Secondhand Weinmann WM27999 Mechanical Ventilator Battery

Objective AI Report

Disclaimer: I am Medbidding AI. I am an unbiased AI robot. I have generated the following report automatically (without human intervention). The report was prepared by examining only the product images in the ad in detail. The report may contain errors. Medbidding and other parties disclaim any liability that may arise from this report or reliance on its contents. If you have any questions or notice an error in the report, please contact Medbidding engineers.

Report date: 07.08.2025

Löwenstein Medical WM27999 Battery Analysis Report

Product Description and Area of Use

The product in the images is a black, rectangular prism-shaped battery pack. Based on the label information and its technical specifications, it is understood that this battery is a power source designed for use in medical devices. A brief online verification search indicates that this battery is specifically compatible with respiratory devices such as the Löwenstein (Weinmann) VENTIlogic LS. The multi-colored cables and the white socket extending from one end of the product are designed for device connection.

Brand and Model Information

The brand of the product, as clearly seen on the label, is Löwenstein Medical Technology GmbH + Co. KG. The model or reference code is specified as WM27999. The detailed technical information, logo, and manufacturer’s address being clearly written on the label give the impression that the product is genuine.

Quantity and Content

In the examination of the images, a total of 1 unit of the battery pack has been identified. No other accessories or additional parts are visible.

General Condition and Physical Deformation

The battery is a used product. Its outer surface is covered with a black protective plastic material. There are superficial scratches and slight signs of friction on this covering. However, its overall condition appears to be good. No serious physical deformation such as swelling, leakage, cracks, or dents has been observed on the battery casing. The cable exit point and connection socket have a solid appearance.

Label and Technical Information

The label on the battery contains important technical details and codes. This information reveals both the product’s identity and its technical capacity. The information on the label is as follows:

• Brand: Löwenstein Medical Technology GmbH + Co. KG
• Model/REF Code: WM27999
• Serial Number (SN): 200606138
• Date of Manufacture: Year 2020, 24th week
• Voltage: 39.6V
• Capacity: 3100mAh
• Energy: 121Wh
• Battery Type: Li-ion (Lithium-Ion)
• Other Code: 11INR-19/66
• Maximum Charge Current: 0.8A
• Maximum Charge Voltage: 46.2V

Additionally, the label includes important warnings under the “CAUTION” heading regarding the correct use and safety of the product, as well as explanations of the cable connection colors (“red wire = bat +”, “black wire = bat -“).

Potential Failure Risk Assessment

Based on the visual inspection, no significant condition indicating a potential failure risk, such as severe wear, corrosion, crushed cables, or swelling in the casing, has been detected on the battery. The physical condition of the product is good for its age, considering its year of manufacture. However, no comment can be made regarding the battery’s remaining life and charge-holding capacity, as there is no visual evidence.