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Go Back   SailNet Community > On Board > Gear & Maintenance > Locating the master battery switch / DC Panel - Wire cost
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Thread: Locating the master battery switch / DC Panel - Wire cost Reply to Thread
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Topic Review (Newest First)
04-20-2010 01:06 PM
sailingdog I could be wrong, but my recollection is that the newer Xantrex battery monitors were outsourced to Victron.

The BMV 600 is only about $175 at Jamestown Distributors.
04-20-2010 11:18 AM
mitiempo The Victron just has a differently designed face. While I have never had a problem with Xantrex products or service others apparently have so the Victron might be the better one to buy. But the Linklite is available for $206 if you search.
04-20-2010 08:28 AM
jarcher
Quote:
Originally Posted by sailingdog View Post
I'd point out that Victron actually made several of the Xantrex monitors and is a better company IMHO. The LinkLite IIRC is a BMV 600 re-badged.
Hi SD, I'm confused. The BVM 600 looks very different than the LinkLite. From what I can tell Victron made the BVM 600, which is $100 cheaper than the LinkLite.

I appreciate the advice here, I have made arrangements to return the 13 position panel with meters and exchange it for a 16 position without meters. The price is about the same, but the benefit is 3 more circuit positions and exactly the same mpounting size, which is important. I'll spend the $170 to get the extra intel on the batteries, especially since its a small house bank (79 Ah). $270 for the LinkLite is pricy.
04-19-2010 02:09 PM
sailingdog I'd point out that Victron actually made several of the Xantrex monitors and is a better company IMHO. The LinkLite IIRC is a BMV 600 re-badged.
04-19-2010 12:12 PM
mitiempo A battery monitor will tell you amps in and out of your batteries, state of charge in percentage, and time left at current usage. You don't want to take the batteries below 50 % and a voltmeter will not tell you state of charge in any immediate way so really can't be used for this. Here's a link to Xantrex Linklite. Xantrex Technology Inc. - Boats - LinkLITE Battery Monitor - Product Information
TRhere are others from Xantrex as well as other companies. The Victron BMV 600 is highly rated and $175 at Jamestown.
Victron BMV 600 Battery Monitor
04-19-2010 12:03 PM
jarcher
Quote:
Originally Posted by mitiempo View Post
Yes, that works, until you add circuits to the panel. I would have gone with a panel without meters though for almost half the price and put the difference into a good battery monitor. The monitor will tell you much more than those meters will.
Really? I can still return the panel. What does a battery monitor do?
04-19-2010 11:40 AM
mitiempo Yes, that works, until you add circuits to the panel. I would have gone with a panel without meters though for almost half the price and put the difference into a good battery monitor. The monitor will tell you much more than those meters will.
04-19-2010 11:23 AM
jarcher So with a 30 foot total run (both directions) from the battery to the panel and max load of 30A, I could just squeak by with AWG6, at $1.01 per foot. AWG4 is $1.23 per foot, so for the extra $6.60 I guess I'll do that.

Thanks for the help!
04-19-2010 11:15 AM
jarcher I have this one:

http://www.defender.com/product.jsp?path=-1|328|299263|319684&id=838196

And you're right, there is no main breaker. I was confusing it with the AC panel I bought, which is this:

http://www.defender.com/product.jsp?path=-1|328|299263|319684&id=1324755

So I guess I should just add up all the devices, maybe throw in a few extra amps for future expansion, and just size and fuse the feed to the panel accordingly.

My boat uses so little power and has so few devices that the 13 position panel was overkill, but the next one down, with I think 5 or 6 circuits, was pretty much the same price, so I figured what the heck.

When I am sailing along at night, the instruments, VHF, GPS and LED running lights all add up to about 3 amps, and thats a conservative number by far. If I key the VHF rig then that adds 5 amps. The big numbes come from the cabin lights, which I'll size as if they were halogen bulbs, just in case someone changes one out.

My guess is that 30A is plenty.

Thanks, sorry for the confusion about the breaker.
04-19-2010 11:00 AM
mitiempo Most DC panels do not have a main breaker, but just breakers for individual circuits. Blue Seas, probably the most prolific in this category, ships all DC panels with 15 amp breakers for each circuit. This works well in most situations. As posted the feed wire should be fused. What panel do you have?
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