"Battery Brain"

[swx1042 10+ year member]

I Havn't drained a battery yet from playing music with the car off, but I wonder about this product on Crutchfield.

http://www.crutchfield.com/p_686BBTIII/Battery-Brain-Gold-Type-III-with-Remote.html?tp=6726

You think that thing would actually kick in before you've been playing too long with the car off?

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[standbackimapro 10+ year member]

I think its pointless, your batterys not gonna last to long with your system on. I would just get a second battery in the rear and an isolater so you can play your system with the car off for a decent ammount of time