Anyone have an idea how long the battery will last while watching a movie on the nav/radio or listening to music with the car turned off?

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Central Jersey
-2010 KK Renegade
-Full mopar skids
-Mopar tow hooks
-Grabber AT2s
-Silverstars
-Resonator Removed

I've watched full movies before with no problem

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08 Revenge- Rock Lizard (Skink Sliders & Gecko Roof Rails), High Clearance Trimmed Front Bumper, Mopar skids, Riddler Diff Cover, JBA (5.5 Arms, 6" rear Springs, Front Adjust-A-Struts), 32" DuraTracs, Superior 4.56's, Front & Rear ARB Lockers, Fastman Throttle Body, AEM Intake, Hypertech Tune, Custom Ram Air, RunCool Louvers

Newer batteries have pretty long battery life. If you don't have a big aftermarket system the battery should last a few hours with just the radio on. On that note it takes less power to operate the radio then turn over an engine. Your radio might still work after a few hours but that doesn't mean there's enough power left to start your engine. No matter what I'm doing (working on the car, tailgating, etc.) I try to start the vehicle every hour or so and let it run for a few mins just to let the battery charge it self back up.

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Out - 2008 Jeep Liberty Limited 4x4
In - 2011 Jeep Liberty Carbon Edition http://www.cardomain.com/ride/3972889/2 ... ed-edition