New Original Audi SOS Emergency Call Module Battery OE 4K0915989A eCall Backup Battery Fix SOS Malfunction Fault Warning

New Original Audi SOS / eCall Emergency Call Module Backup Battery
OE Part Number: 4K0915989A
Alternate compatible part numbers: 4M0907486, 9A7915989A

This is the backup power battery for Audi eCall SOS emergency communication control module.
When this battery ages and fails, you will get dashboard warning: SOS malfunction / SOS fault / emergency call system error. Replacing this battery is the direct solution.

✅ Fitment:
Audi A4 / S4 (8W, 2016+)
Audi A5 / S5 (F5, 2017+)
Audi A6 / S6 (4A, 2019+)
Audi A7 (4K, 2019+)
Audi A8 / S8 (4N, 2018+)
Audi Q5 (2017+)
Audi Q7 (2016+)
Audi Q8 (2019+)
Audi e-tron / e-tron Sportback

📌 Notes:
- Brand new original battery
- For eCall emergency call module only
- Professional installation recommended
- Please double-check your original part number 4K0915989A before ordering to avoid mismatch

We support 7-day return policy. You may submit return request within 7 days upon receipt of your order.
All returned items must be unused, kept in original condition with all tags attached and original packaging intact. A receipt or valid proof of purchase is also required.
Please note that return shipping fees to Hong Kong shall be borne by the buyer.

Orders ship from China and are processed in 1–3 business days.

• Express-DAP (DHL/UPS/FEDEX): 2–7 Days -By default, we will declare 10-50 USD.
• Standard -DDP -(FREE SHIPPING): 5–15 Days-Incl. VAT & All Fees