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Trunk 12V Cigarette Socket Qs

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Old Jun 14, 2017 | 06:50 PM
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belanger
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From: Bay Area, CA
2012 S550
Question Trunk 12V Cigarette Socket Qs
So I picked up one of those amazing NOCO GB40 battery jumpers and noticed that it charges via 12V and even ships with a cigarette adapter for said charging.

What is the nature of the rear socket in the trunk of a 2012 S550? Is it switched or do I have to worry about slowly draining my main battery? I'd love to leave it plugged in knowing that it'll be full and ready to go if I ever need it.


Thanks much,
MB
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