Not all laptops are inherently 12 V (some use as high as 19 V). But it is easy to check.
Laptops have an extra advantage - they get obsoleted pretty quickly, so you can get a pretty decent used one for around $250. And you get all the internal power protection you need. Marek From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Josh Muckley via CnC-List Sent: Sunday, November 20, 2016 11:53 To: C&C List <cnc-list@cnc-list.com> Cc: Josh Muckley <muckl...@gmail.com> Subject: Re: Stus-List 12 volt desktop compter You mentioned USB powered, so is the Raspberry PI. In fact that was one of my biggest concerns. The stability of a usb connector from a 12v boat supply just started feeling really unreliable. I overcame it with a UPS addon "HAT" for the PI. That is one nice thing about a laptop or even a tablet device. They don't shutdown just because of a sketchy power connection and they will auto shutdown if the battery gets too low. They're portable and have a considerable screen built right in. They are also natively designed for 12v power supplies. I guess that's why Rasberry PI fits my needs so well. It is a cheap device that I can afford to ADD permanently to the boat and sustain depreciation and obsolescence without flinching. The user interface can be ANY of my other personal devices and doesn't have to be permanently tied to the boat or regulatory transported to and from. Just my 2 cents, Josh
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