3G0915089
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3G0915089
3G0915089 (3G0 915 089) is a genuine emergency backup battery used in the telematics and eCall (SOS) networking modules of Volkswagen Group vehicles, including Volkswagen, Audi, SEAT, and Škoda models.
Key Specifications
Voltage: 7.2V / 7.4V
Capacity: 1490 mAh
Technology: Lithium-ion (Li-Ion)
Function: Powers the emergency call (eCall), GPS, and telematics communication systems if the vehicle's main battery loses power during an accident or shutdown.
Replacement note: After replacing the backup battery in the original factory for some Volkswagen/Audi models, the fault code may not disappear immediately. It usually takes 20 minutes of driving to disappear. If it does not disappear, please use a diagnostic computer (such as ODIS or VCDS) to perform basic settings/data reset (Adaptation) to completely eliminate the code.