A 7.2V battery in series with connector.
Mercedes Alarm Siren Module A1718202526 SLK R170 R171 W203 W209 W211, CLK C209
Aston Martin DB9 DBS Vantage Alarm Siren Battery Pack YWK500040
Aston Martin DB9 DBS Vantage Alarm Siren Battery Pack YWK500050 YWK500070
Porsche Boxster Alarm Tilt Sensor Car Siren Battery for the 986/996/911
Genuine Mercedes-Benz Auxiliary Battery A2059053414 For-W205 W213, RM 24h Post
Genuine Mercedes Benz Auxiliary Battery N000000009504 NEW
