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Old 07-23-2013, 06:31 PM   #1
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Battery question from a n00b

I am about to buy a 2007 flagstaff 227 but I am not sure about the battery life. When fully charged how long will it last? If I am camping for 2 nights will I need a campsite with electricity provided or will the battery last the whole weekend? Should I buy a 2nd battery? Any helpful info would be appreciated. I am trying to book a site and need to know if I need a site with electricity or not. Thanks!

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Phil
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Old 07-23-2013, 07:38 PM   #2
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It all depends on how you use it. Assuming you have a pretty much standard group 24 marine battery, you probably have around 65 - 85 amp hours total. General rule of thumb (if you want them to last for several years ) is to not discharge them below 50 - 60 %. That means you only have around 35 - 45 amp hours available. Broken down, a standard light fixture pulls ~3 amps. You could run that fixture for about 13 hours on that battery. Add in CO detectors that run constantly and any fans or furnace in the winter and any time the water pump runs it starts to drop pretty quickly. I do a little bit of dry camping and added a second battery to mine so I didn't have to concerve as much, but for two days you shouldn't have any problems with one. I'd recommend bringing an LED lantern and only use the lights sparingly. Other than that, you're good.

Also, keep in mind that colder weather will decrease your capacity and make sure you charge the battery immediately when you get home and keep it fully charged when not being used (watch the water level as well ).
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Old 07-23-2013, 09:00 PM   #3
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if you use the furnace a lot, then no, one battery won't last more than a day.
if you don't use the furnace, you should easily get through two nights.

if you plan on running furnace overnite, get a site with electric hookups, a second battery or rent a generator.
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Old 07-23-2013, 11:36 PM   #4
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Quote:
Originally Posted by phil.anthony View Post
I am about to buy a 2007 flagstaff 227 but I am not sure about the battery life. When fully charged how long will it last? If I am camping for 2 nights will I need a campsite with electricity provided or will the battery last the whole weekend? Should I buy a 2nd battery? Any helpful info would be appreciated. I am trying to book a site and need to know if I need a site with electricity or not. Thanks!

Regards,

Phil
Furnace uses 4-8 amps per hour depending on size. That will chew up amps.

Get LED bulbs for your lights.

get two batteries, don't add to what you have, replace it. Get good deep cycles 6 volt best.

be happy.
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Old 08-23-2013, 12:50 AM   #5
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I wondered how long our battery would last on our 2270 and discovered last week that it lasts 3 nights/4 days. We used the lights sparingly and the real killer was the heater. We were camping at 1200 metres and the temperature at night would drop to around 12 degrees Celsius. My wife loves the warmth and would have the heat going so the trailer was toasty....until the last night with no heat! My biggest worry was hand cranking the trailer down in the morning but we had enough juice to bring it down halfway and then I hand cranked it.
Of course our friends had a generator and offered to charge our battery on day 2 but I thought we could make it. Found out the hard way that I should purchase a second battery for longer trips.
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Old 08-24-2013, 09:27 AM   #6
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Running a battery down that far will destroy it in pretty short order. You might want to keep tabs on the voltage, even with 2 batteries and make sure that the battery's don't discharge below about 50% or you will be replacing them more frequently than necessary.
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Old 08-24-2013, 09:46 AM   #7
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A good idea is too look at investing in a solar panel to try and keep you charge up. Even with a smaller 25 and 27 series battery you'll need a daily large panel. Check out some of the website like "www.marxrv.com/12volt"
He's hot some great info that'll help you out.
We run 2 panels when we are dry camping.
A 136watt main panel that's flexible and lays on the roof and rolls up for storage, and a spare 30 watt standard panel we sit on the ground and point at the sun.
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Old 08-24-2013, 11:02 AM   #8
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A good idea is too look at investing in a solar panel to try and keep you charge up. Even with a smaller 25 and 27 series battery you'll need a daily large panel. Check out some of the website like "www.marxrv.com/12volt"
He's hot some great info that'll help you out.
We run 2 panels when we are dry camping.
A 136watt main panel that's flexible and lays on the roof and rolls up for storage, and a spare 30 watt standard panel we sit on the ground and point at the sun.
That's a pretty nice site. Thanks.
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