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					Originally Posted by DUKE  Hi I am considering adding a second battery on my '89 V, but carrying a Jump Box seems a whole lot easier. For about the price of a battery I can get a Jump Box with AC and DC outlets. With the proper adapters I can run my AM/FM radio and fishfinder off of it and still be able to jump start my main battery if need be. Has anyone tried this?
 Thanx - Duke
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 I would just hook everything to your one battery and keep the jumper for emergencies. Right now I'm running a single battery in my boat. I have a GPS, fish finder, VHF and a stereo, and my voltage is around 14 when running. I keep a jump box on the boat at all times, but I haven't had to use it yet. I have a blue seas acr unit ready to install I just haven't got a chance to yet.