Join Date: Feb 2010
Location: Narragansett Bay
Thanked 390 Times in 369 Posts
Rep Power: 9
Many smaller TVs do come with a 12 V power brick and can run directly off the boat batteries. The problem is that some units are sensitive to voltage variations and the increase in voltage when the engine is running or the batteries are being charged can cause damage. Proceed at your own risk.
This is the sole reason I am tempted to keep my 19v TV. I understand that the 19v to 12v converter will level those spikes. I've heard some suggest a 12v to 12v box for the same reason.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.