Battery power question - Page 2 - Fiberglass RV


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Old 02-28-2006, 08:39 AM   #15
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Thank you Steve, Now add up the rest and see, I think a second battery is in order or put the CPAP machine on its own
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Old 03-06-2006, 05:47 PM   #16
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Quote:
...When you see 12v appliances, they often are de-powered so they use fewer watts and therefore less amperage, but they take longer to do the job so the net effect is the same to your battery.
For a timely example of this, the current Camping World internet-only specials include a normal-looking but 12V drip filter coffee maker. It is listed with a 22-amp current draw, which is a whacking load on your battery, but still only a wimpy 264 W (nominal, at 12V). Not surprisingly, this doesn't work well: see the scathing reviews which Camping World allows buyers to post... Koolatron™ 12V Coffee Maker - Reviews. I would quote the good bits of the reviews, but they're all priceless - have a look!

It takes a lot of heat energy to do anything useful, so in general I believe that the best plan is to provide heat by burning propane, and do other work (make light, make sound, turn motors...) with electricity, to make the amp-hours count.
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Old 03-25-2006, 05:11 PM   #17
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Using lights.......4-7 days.

Using lights, water pump, tv, and fan or a furnace with a blower......2-3 days.

===

A 'jump-it' (about $40) is handy as a back-up power supply in the trailer as well as starting the tow vehicle in an emergency.

Now THIS post I understood -- No math required!
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Old 03-26-2006, 10:38 AM   #18
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OK Sharon, the geek speak stops here...

(engineers, can't live with 'em, can't live without 'em)



My REAL WORLD experience...when dry camping

I have a 120aH battery.
I have 2 18 inch flourescant light fixtures, and 2 8 watts incandescants. (Not all used simultaniously)
I have a wall mounted Cat heater that runs on propane, and a fan in it for exhaust.
I have a Fantastic Fan Endless Breeze fan that runs on a seperate 20aH battery, recharged by solar.
I have a 700 watt invertor that I USED to run a 120v DVD player off of, and my laptop. (I have since replaced the dvd player with a 12v model and occasionally, my satelite dish and receiver goes with me.. invertor is rarely needed anymore)

All else has a hand back up, or is strictly propane. (Water Pump, fridge etc, coffee done on stove..) A good old fashioned propane lantern is used outside.

I can run for 4 days without charging if I limit the TV to one DVD a nite, and only spend a couple hours reading.

With a 15 watt solar panel connected, I can run indefinately if I have REASONABLE weather. The panel still works in overcast conditions, just not as fast.

You CAN have your cake, and eat it too if you don't add microwaves and video games, air conditioning, electric dog polisher or turbo charged mouse chaser.

Now, the wonder of all this is.. if I do something stupid, like forget to turn off the porch light, an incadescant buld, I can run the battery into oblivion overnite.

The key is retraining yourself to conserve, and when you do, you'll find that most of the stuff you DID use wasn't needed and you don't really miss it.

I am now starting to replace my peripherals (Radio, flashlights etc) with Green items, hand cranks or solar charged. I am quite pleased with what I have so far, and will continue to do so as items become available.

Note: The hand crank items often have the ability to charge other items, and I can charge my dvd player with the flashlight I just got yesterday. I wonder how many cranks it is gonna take? *Holds arm in anticipated pain*
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Old 03-29-2006, 11:51 PM   #19
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OK. So I am real new to this as well. I just bought a 79 trillium1300. It has the original equipment including a dead battery from what I can tell.

The "Central Power Pack" model CP-06 FK has a switch that lets me run on House current 120V or Battery.

The plug says "120V 60hz 10a Max 120 VAC" this is the only plug on the panel, I assume that this a plug that runs through the invertor and I can use but draws power from the battery. is that correct. What can I run off that plug? A PC, a DVD player???

The fuse says "12.5 VDC Max Fuse 10a type AGC 10"

The Panel Input says "120V 60Hz 15amps Conversion Input 1.2 Amps

Convertor Output says "12.5VDC 6 amps

OK what the heck does all this mean?

I have a deep cell Marine Battery that I am going to put in there to hopefully run my PC so I can watch DVD's. Maybe a light or two. Also, the pump that I want to put in for the water tank.

HELP What do I do. I read and reread all the stuff on this topic here, but still not quite sure how to approach the project. I guess I am looking for is, RICK, you need a battery, and you can or can't use the current invertor, which one can I use, how to hook it up, etc. Any help to get me started would be great. I don't think I am going solar for now, just want to charge my battery from the car if possible or charge it when I get back home off the house or charger.

Thanks
Rick
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Old 03-29-2006, 11:54 PM   #20
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Now THIS post I understood -- No math required!

Gina,

Your breakdown is helpful. Why do you not need an invertor anymore because of satellite??

Do you have a brand that I should use for the invertor? I figure I am only going to camp two nites for the most part so should a fully charged marine battery work for that amount of time for a PC and a light.

Thanks

Rick
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Old 03-30-2006, 06:23 AM   #21
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Rick, your trailer does not likely have an inverter, the plug was just put in a convenient place.

The power supply is usually converter, ac turned into dc for the interior lighting and possibly reefer. sometimes Trillium included a battery charger function, sometimes not.
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Old 03-30-2006, 08:12 AM   #22
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What I saw in his trailer sure looked like a convertor to me, but I didn't dig deep down into it. It had the standard 110/12v switch like convertors do. It may have been an option, or an aftermarket install.

Quote:
Convertor Output says "12.5VDC 6 amps

OK what the heck does all this mean?
It means that the load you put on it must not draw more than 6 amps. Or the fuse or breaker will pop. With a light or 2 nd your laptop, you should be OK, but I wouldn't put a coffee maker on there. The thing is older, and such items with high current draw were only inklings in inventors eyes then, so they probably had no need to make it any bigger.

I still use my INvertor when I bring my dish. It's not very big, only 400 watts. But thats still way more than needed for my use.

I have 110 v outlets all over my trailer, but no built in 110 things. I have never felt a need for a convertor, I run a charger on the battery when plugged into shore power and my 12v stuff runs off the battery while it's charging.
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Old 03-30-2006, 09:44 AM   #23
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What I saw in his trailer sure looked like a convertor to me, but I didn't dig deep down into it. It had the standard 110/12v switch like convertors do. It may have been an option, or an aftermarket install.
It means that the load you put on it must not draw more than 6 amps. Or the fuse or breaker will pop. With a light or 2 nd your laptop, you should be OK, but I wouldn't put a coffee maker on there. The thing is older, and such items with high current draw were only inklings in inventors eyes then, so they probably had no need to make it any bigger.

I still use my INvertor when I bring my dish. It's not very big, only 400 watts. But thats still way more than needed for my use.

I have 110 v outlets all over my trailer, but no built in 110 things. I have never felt a need for a convertor, I run a charger on the battery when plugged into shore power and my 12v stuff runs off the battery while it's charging.

Are you saying that the plug in the CONvertor is just for 12v items or is it just another 110 plug? Or I think what you are saying is that I can plug a 110 item into that plug and then switch the switch to battery instead of 110 and that the power then comes from the battery converting AC to DC so I can use it as a normal plug. It then uses/drains battery power. What then I am doing when I use an INvertor?

Thanks. Rick
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Old 03-30-2006, 10:17 AM   #24
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I think it is just a regular 110v plug.
switching to 12v or 120 volt is just for where you are getting your feed.
on 120v, you need to be plugged in to shore power,the switch on 120v, and if the converter has a charger, it will charge the battery and power the 120v plug. On 12 volt it will supply power to the 12v circuits, but not power to the 120v plug on the converter. What brand is it?

did you do a lookup on the net for info?
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Old 03-30-2006, 10:23 AM   #25
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does it look like this?
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Old 03-30-2006, 03:33 PM   #26
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does it look like this?
It looks like this.

OK HOW DO YOU ADD AN IMAGE? When I hit the image icon on this reply it says enter a hyperlink. I have the image on my PC not the web.

Any help here would be good.

Thanks
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Old 03-30-2006, 04:39 PM   #27
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Quote:
It looks like this.

OK HOW DO YOU ADD AN IMAGE? When I hit the image icon on this reply it says enter a hyperlink. I have the image on my PC not the web.

Any help here would be good...
I think it would be good to know about the Basic Website Tutorials section of FiberglassRV. In this case, I think Rick is using the Insert Image button, but needs instead to use the [b]File Attachments section, two sections down from the box in which you compose text. Hit Browse and get that image file.
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Old 03-30-2006, 05:04 PM   #28
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OK, thanks.

Here is the picture of my Convertor.
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