mena661
Southern California
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Joined: 03/21/2009
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Finally, got out for a real live boondock trip with my setup (see HERE)!! DW and I did a test run a month ago which went well (HERE). First victim was Point Magu State Beach (Thornhill Broome).
This was a relatively primitive campground. There was water and some porta-potties but that was it. Power usage ended up being a bit more than the previous overnighter but still well under my projections. Watching TV via the inverter was the largest power drain. We watched about 3 hrs the 1st day, 4 hrs the 2nd day and 2 on the last. It was a mix of pre-recorded shows on DVD and sat. Overall usage was as follows:
1. Left home at 12.81V which is 100% SOC for us (98F/37C). Arrived 3 pm-ish on Fri (79F/26C).
2. Sat morning at 12.75V, 95.6% SOC and -45.1 Ah (64F/18C).
3. Sun morning at 12.65V, 87.6% SOC and -125 Ah (62F/17C).
4. Arrived at home ~2:30 at 12.63V, 85.2% SOC, and -148 Ah (88F/31C).
All the numbers are taken directly from my Victron battery monitor. Because of the wildly varying temps between here and the beach, verifying the SOC on the meter was impossible for me. If I went by voltage using Trojan's chart, the ending SOC would be 90% which I know isn't right because they consider 12.73V 100%. Using the Ah removed would put me at 80% which isn't right either because the battery capacity changed during our 2.5 hr drive home. Maybe next time I'll take the hydrometer.
2009 Newmar Canyon Star 3205, Ford F53 V10
Trojan L16 6V's 740 Amp-hours
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hypoxia
Arizona
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Joined: 04/29/2003
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That's the best way to camp. Shouldn't your camper charge from the truck driving home?
Jim
2003 Fleetwood Revolution 40C
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mena661
Southern California
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hypoxia wrote:That's the best way to camp. Shouldn't your camper charge from the truck driving home? We had a great time!  The DW and I have been looking forward to this for quite a while. The truck is supposed to be charging but it's not working. Apparently I only need a fuse and there's one installed but I just haven't troubleshot it yet. It would be nice to have it working if only to arrive at the campground at 100% SOC. Even with it not working, I'm only out a few Ah.
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skipnchar
Topeka or somewhere else
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Joined: 12/17/2003
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For what it's worth, Ford takes both a fuse and a relay.
Good luck / Skip
2011 F-150 HD Ecoboost 3.5 V6. 2550 payload, 17,100 GCVWR -
2004 F-150 HD (Traded after 80,000 towing miles)
2007 Rockwood 8314SS 34' travel trailer
US Govt survey shows three out of four people make up 75% of the total population
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mena661
Southern California
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skipnchar wrote:For what it's worth, Ford takes both a fuse and a relay.
Good luck / Skip Thanks, I'll check for the relay.
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KendallP
Grants Pass, OR
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Joined: 09/11/2006
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From your Sunday morning figure, it looks like you use about 8% a day. At that rate, you could do a week without the genny.
Peukert is your friend. Capacity is king!
Cheers,
Kendall
1986 Winnebago Chieftain 22RC
Our Camper (with no payments)
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pianotuna
Regina, SK, Canada
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Oh the joys of a large battery bank are many! Keep on letting us know how the system is working!
Regards, Don
Kustom Koach Class C 28'5" 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, 2500 MSW watt inverter.
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mena661
Southern California
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KendallP wrote:From your Sunday morning figure, it looks like you use about 8% a day. At that rate, you could do a week without the genny.
Peukert is your friend. Capacity is king! And that's just down to 50%!! Friggin awesome!
pianotuna wrote:Oh the joys of a large battery bank are many! Keep on letting us know how the system is working! You bet PT!
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smkettner
Southern California
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mena661 wrote: Maybe next time I'll take the hydrometer.
Since you do not have any issues leave the hydrometer at home.
2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
675 watts solar
Send a PM if I missed something
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revump
Las Vegas
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Joined: 07/02/2005
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What a great way to spend your time. We try to do that on a regular basis. We FT
Bob
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