On Wed, 26 Sep 2001 18:19:58 -0500, "Neil" <[EMAIL PROTECTED]> wrote:
> Greetings all-
> This has been an interesting topic. But let me say I don't really know
> that much about cell phones and the type of fees that go with them. I
> have seen some ads that give you a pretty decent amount of free long
> distance calls. I am thinking that this could be a decent way of using
> the laptop on my sailboat when we go out for the weekends. I am sure
> fees vary but approx. what are we talking about per month?
> OT--I saw on one of the sailing sites about using laptops on boats.
> Most say use an inverter, (asuming that the laptop bat. is 14v) but one
> fellow said that he just connects directly to 12v. He said because the
> differance in voltage wasn't that much, he had no problems doing this.
> Has anyone on the list tried this?
> cheers and what a nice fall day here in SE Virginia
> Neil T.
A 12 volt automotive or marine battery should have about 13.8 to 14
volts while being charged. If you use a power inverter or if you use
the boat's battery while it is being charged, then you should also
use a regulated power supply. Inverters are notorious for producing
power spikes that can fry your PC. Also a charging circuit may also
produce power spikes.
Sam Heywood
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