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01-03-2016, 06:02 PM
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#1
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Senior Member
Join Date: Jan 2011
Location: Beaver, PA
Posts: 911
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Does battery need to be connected to use camper?
My camper is in storage (backyard) and the battery is in the house getting charged now and then.
Bought a small generator, due here this week, and want to try it on the camper.
Do I need to hook up the house battery to make things work? (slide in particular)?
__________________
Chris, Wills (16) Evie (13) & Toby our collie (6)
2011 Grey Wolf 28BH
2013 Chevy K1500 Crew w/ Reese StraitLine Dual Cam
Nights camped 2011: 11 2012: 18 2013: 12 2014: 12 2015: 13 2016: 56 2017: 8+
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01-04-2016, 10:10 AM
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#2
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Senior Member
Join Date: Feb 2012
Location: Wisconsin
Posts: 13,737
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On our camper the slides will not go out/in without the battery hooked up.
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01-04-2016, 10:14 AM
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#3
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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It is recommended to NOT use the slides without a battery.
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01-04-2016, 10:18 AM
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#4
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Quote:
Originally Posted by prof_fate
My camper is in storage (backyard) and the battery is in the house getting charged now and then.
Bought a small generator, due here this week, and want to try it on the camper.
Do I need to hook up the house battery to make things work? (slide in particular)?
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The Clue here is Small Gen! Slide motors like Lots of Power to live a Long Life,Low Power is Life Shorting to Any Motor! Youroo!! Yes Have a Fully Charged Battery also!
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01-04-2016, 10:51 AM
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#5
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Quote:
Originally Posted by youroo
The Clue here is Small Gen! Slide motors like Lots of Power to live a Long Life,Low Power is Life Shorting to Any Motor! Youroo!! Yes Have a Fully Charged Battery also!
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In addition battery will filter the DC voltage produced by the supply. Most DC supplies are "dirty" and require to be filtered. As mentioned battery can provide surge current for motors w/o noticeable voltage drop. Protects electronics from damaging surges all small generators experience.
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01-04-2016, 11:05 AM
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#6
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Senior Member
Join Date: Jan 2011
Location: Part Timing It Now
Posts: 3,457
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Quote:
Originally Posted by prof_fate
My camper is in storage (backyard) and the battery is in the house getting charged now and then.
Bought a small generator, due here this week, and want to try it on the camper.
Do I need to hook up the house battery to make things work? (slide in particular)?
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Highly recommend putting battery IN while working on camper with genny running. The battery helps stabilize the DC current being put out by your converter when hooked up to shore power or genny.
__________________
"PT Crew Members Since 9/2010"
2011 RAM 2500 HD 6.7L CTD Crew
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01-04-2016, 01:03 PM
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#7
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Senior Member
Join Date: Nov 2014
Posts: 593
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Put the battery in to avoid a problem.
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01-04-2016, 01:20 PM
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#8
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Senior Member
Join Date: May 2013
Location: Florida
Posts: 312
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VinceU and rracer5 say it best. The battery acts to supply current and to smooth out power delivery from the converter.
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2013 Flagstaff 8528IKWS, 2006 F-350 6.0L
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01-04-2016, 03:43 PM
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#9
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Senior Member
Join Date: Jan 2011
Location: Beaver, PA
Posts: 911
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I thought so just wanted to check with the experts here.
Thanks
__________________
Chris, Wills (16) Evie (13) & Toby our collie (6)
2011 Grey Wolf 28BH
2013 Chevy K1500 Crew w/ Reese StraitLine Dual Cam
Nights camped 2011: 11 2012: 18 2013: 12 2014: 12 2015: 13 2016: 56 2017: 8+
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01-04-2016, 03:54 PM
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#10
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Senior Member
Join Date: Apr 2015
Location: Ontario, California
Posts: 2,147
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Quote:
Originally Posted by TURBS
It is recommended to NOT use the slides without a battery.
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Short answer, YES alway use a well chargd battery--- or two or three or four.
Ours recommended we not even run a load on our electric load leveling jacks (Lance truck canper) while plugged in. They and slides draw more current than most on board charger/converters can handle.
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01-06-2016, 11:58 AM
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#11
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Senior Member
Join Date: May 2015
Posts: 925
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All of this is that interesting but I got to questioning it. According to the information supplied by the converter I got it states that if shore power or a generator is hooked up all 12 volts is supplied by the converter to everything that it is needed for. If no shore power or generator is hooked up, in other words no 120 V AC, then the converter switches over to the battery to supply 12 V DC to everything it needs. This does not take into consideration the charging of the battery. If I remember correctly 120 V DC is supplied to the converter my converter is capable of putting out 55 Amps DC. That would be more than enough power to run the DC motors on a slide unit.
I agree that the 12 volts DC supplied from a battery is cleaner than what would be supplied by the converters but that would only be necessary for charging something like a cell phone or laptop. This 12 VDC supplied by the converter is clean enough for the electronic boards on the refrigerator or furnace, and more than clean enough to run a 12 V DC motor. The converter does not care where the 120 V AC is coming from, shore power or generator, it will still switch over and supply the 12 V DC necessary to run everything in the trailer. The one exception I can think of might be the leveling jacks. However, your leveling jacks are normally used before you would hook up your 120 V AC. It is recommended the trailer be leveled before you put your slide units out. I really don't think it is necessary to have a battery in place to operate your slides. Th converter should supply more than enough power to operate the slide motors. This slide motors will run from either the 12 V DC supplied by the converter for the batteries but not both at the same time.
It sounds like some of the members think that the generator is supplying 12 V DC to the trailer and that is not the case, the generator is only supplying 120 V AC..
Jim
__________________
07 Dodge 1500 crew cab with 20" wheels, 08 Forest River Rockwood Signature Ultra-lite 8280SS
"The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends on the unreasonable man."
George Bernard Shaw
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01-06-2016, 12:15 PM
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#12
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Senior Member
Join Date: Jun 2013
Posts: 10,833
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I have run my slides in and out at Storage when the battery is at home. I use 12 v charge line from the truck. It is 2 batteries and very clean power.
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2022 Venture RV SportTrek STT 302 VRB Travel Trailer
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2015 Heartland Bighorn 5th Wheel
2013 FR Rockwood 8289WS 5th Wheel
2012 FR Rockwood 2703 SS Travel Trailer
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01-06-2016, 12:40 PM
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#13
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by oldtool2
All of this is that interesting but I got to questioning it. According to the information supplied by the converter I got it states that if shore power or a generator is hooked up all 12 volts is supplied by the converter to everything that it is needed for. If no shore power or generator is hooked up, in other words no 120 V AC, then the converter switches over to the battery to supply 12 V DC to everything it needs. This does not take into consideration the charging of the battery. If I remember correctly 120 V DC is supplied to the converter my converter is capable of putting out 55 Amps DC. That would be more than enough power to run the DC motors on a slide unit.
I agree that the 12 volts DC supplied from a battery is cleaner than what would be supplied by the converters but that would only be necessary for charging something like a cell phone or laptop. This 12 VDC supplied by the converter is clean enough for the electronic boards on the refrigerator or furnace, and more than clean enough to run a 12 V DC motor. The converter does not care where the 120 V AC is coming from, shore power or generator, it will still switch over and supply the 12 V DC necessary to run everything in the trailer. The one exception I can think of might be the leveling jacks. However, your leveling jacks are normally used before you would hook up your 120 V AC. It is recommended the trailer be leveled before you put your slide units out. I really don't think it is necessary to have a battery in place to operate your slides. Th converter should supply more than enough power to operate the slide motors. This slide motors will run from either the 12 V DC supplied by the converter for the batteries but not both at the same time.
It sounds like some of the members think that the generator is supplying 12 V DC to the trailer and that is not the case, the generator is only supplying 120 V AC..
Jim
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There's a sticker right by the slide switches on the last three forest river productive owned.
"Must have battery to operate slides"
Wfco converters must have a battery in place for converter to operate without failure.
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01-06-2016, 12:51 PM
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#14
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Site Team
Join Date: Oct 2014
Posts: 15,300
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Also if battery cables move and short when disconnected , you will blow reverse connection fuses.
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01-06-2016, 01:19 PM
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#15
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Senior Member
Join Date: May 2015
Posts: 925
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Quote:
Originally Posted by TURBS
There's a sticker right by the slide switches on the last three forest river productive owned.
"Must have battery to operate slides"
Wfco converters must have a battery in place for converter to operate without failure.
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Learn something all the time. No sticker like that on my 08 Rockwood 5er. Is that suppose to be an improvement?
Jim
__________________
07 Dodge 1500 crew cab with 20" wheels, 08 Forest River Rockwood Signature Ultra-lite 8280SS
"The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends on the unreasonable man."
George Bernard Shaw
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01-06-2016, 01:28 PM
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#16
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Senior Member
Join Date: Jan 2011
Location: Beaver, PA
Posts: 911
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didn't occur to me with my original post, but I seem to remember that if you say, have a flat car battery and hook up a charger you should not crank the cxar with the charger connected.
And that's what a converter really is, isn't it? A charger for the house battery? If so then the same rules would/should apply.
But it may depend on charger/converter design. A car batter charger isn't a jumper device where it would be expected I'd think that there would be heave loads while the camera/converter is on 120v.
__________________
Chris, Wills (16) Evie (13) & Toby our collie (6)
2011 Grey Wolf 28BH
2013 Chevy K1500 Crew w/ Reese StraitLine Dual Cam
Nights camped 2011: 11 2012: 18 2013: 12 2014: 12 2015: 13 2016: 56 2017: 8+
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01-06-2016, 01:45 PM
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#17
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by prof_fate
didn't occur to me with my original post, but I seem to remember that if you say, have a flat car battery and hook up a charger you should not crank the cxar with the charger connected.
And that's what a converter really is, isn't it? A charger for the house battery? If so then the same rules would/should apply.
But it may depend on charger/converter design. A car batter charger isn't a jumper device where it would be expected I'd think that there would be heave loads while the camera/converter is on 120v.
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Correct!
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01-06-2016, 02:31 PM
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#18
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Quote:
Originally Posted by oldtool2
Learn something all the time. No sticker like that on my 08 Rockwood 5er. Is that suppose to be an improvement?
Jim
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"The converter should supply more than enough power to operate the slide motors. This slide motors will run from either the 12 V DC"
In case of hydraulic slides this may not be accurate. Lippert fuses the motor to 120 amps! Way over the converter rating of max 55 amps. A few operations w/o a battery you may be shopping for a new converter.
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01-06-2016, 03:08 PM
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#19
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Senior Member
Join Date: Dec 2012
Posts: 7,652
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Quote:
Originally Posted by TURBS
Correct!
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Not exactly. A converter not only charges the house batteries in parallel with its 40/60/80 (or more) amp DC output to the DC BUSS, it supplies all the DC power required to operate all typical DC systems. Now, the required slide current may exceed the converter amperage output limit and that would be cause to have the batteries installed. A basic car battery charger is just that, a battery charger.
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01-07-2016, 12:56 PM
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#20
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Senior Member
Join Date: May 2015
Posts: 925
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Quote:
Originally Posted by bubbles
Not exactly. A converter not only charges the house batteries in parallel with its 40/60/80 (or more) amp DC output to the DC BUSS, it supplies all the DC power required to operate all typical DC systems. Now, the required slide current may exceed the converter amperage output limit and that would be cause to have the batteries installed. A basic car battery charger is just that, a battery charger.
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It never occured to me we could be talking about a hydraulic system but that is possible, need a motor to run a pump, right? My converter puts out 55 amps and I would think that would be more than enough power to operate either type of slide.
However Turbs says the new converter has a sticker saying battery is required for what ever reason so be it. If the new type converters are doing a trickle charge you may cook it? They may not switch over to a full charge when you ran the slide. Then it would make some sense. On trickle the motor could easily exceed the output of the converter.
Jim
__________________
07 Dodge 1500 crew cab with 20" wheels, 08 Forest River Rockwood Signature Ultra-lite 8280SS
"The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends on the unreasonable man."
George Bernard Shaw
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