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10-26-2015, 03:40 PM
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#1
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Junior Member
Join Date: Oct 2015
Posts: 6
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Electric Blanket /Solar
Hello. I'm really new here. Love all the info. However I was wondering if I could get a few suggestions for a electric blanket of some source for my queen bed. We have 1960 watts for solar panels and 1140 amp hours battery configuration. 6/6volts wired to be 3 sets of 12 volt. Thank you in advance for the help!!
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10-26-2015, 04:15 PM
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#2
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Registered User
Join Date: Mar 2010
Posts: 8,777
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Quote:
Originally Posted by pappa_bear
Hello. I'm really new here. Love all the info. However I was wondering if I could get a few suggestions for a electric blanket of some source for my queen bed. We have 1960 watts for solar panels and 1140 amp hours battery configuration. 6/6volts wired to be 3 sets of 12 volt. Thank you in advance for the help!!
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pappa_bear
We've been using a truckers 36" x 60" bunk warmer sideways on our queen bed for 10 winters:
https://www.iowa80.com/DirectionsWEB...FYM_aQodZsMJtQ
Mel
'96 Safari
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10-26-2015, 04:57 PM
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#3
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Senior Member
Join Date: Nov 2013
Posts: 949
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When you write 1140 amp-hours, is that at 6 V or 12 V. At 6 V, that is 7 kW-hr and 12 V it is about 14 kW-hr. You have about 50% available if you are not to drop below 50% Status of Charge (SOC). Need to know what is the wattage of your blanket. My wife uses her heating pad for back but it is only around 60 W.
Googled power required for an electric blanket "... In fact, all warming blankets consume only around 75 – 100 watts (per side on Dual controlled models) when used on HI. However many people set their controls around #5 or lower thus effectively halving that wattage to 40 – 50 watts. For eight hours, this amounts to approximately 0.35kW-hr.
You have either 3.5 or 7 kW-hr usable energy (50% SOC) so an electric blanket sounds completely usable.
Reed and Elaine
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10-26-2015, 05:10 PM
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#4
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Community Moderator
Join Date: Aug 2011
Posts: 6,198
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Is your inverter modified sine wave or pure sine wave? The electronic controls of most electric blankets won't function properly with a modified sine wave inverter.
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10-26-2015, 05:20 PM
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#5
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Community Moderator
Join Date: Aug 2011
Posts: 6,198
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This electric blanket is different! It uses a brick power supply to change the 120 VAC to 18 VDC. This has other benefits as well....smaller wires, more safety, more comfort. It has been reported to work well with MSW inverters. And if you have a pure sine wave inverter, it works fine as well!
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10-26-2015, 05:24 PM
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#6
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Senior Member
Join Date: Jun 2012
Location: The Bluegrass State
Posts: 8,889
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Like PASDAD1 said, in general, electric blankets and modified sine wave inverters do not mix. We just bought this RV friendly blanket from Costco. It uses a low voltage heating and ultra-thin wires inside. So far so good.
Safe & Warmâ„¢ Luxe Plush Low Voltage, InvisiWireâ„¢ Electric Warming Blanket
__________________
Good Luck, Be Safe and Above All, Don't Forget To Have Fun 
Pete
Central Kentucky
2006 Fleetwood Discovery 35H, 2014 Honda CR-V, M&G Engineering Braking System
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10-26-2015, 07:50 PM
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#7
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Junior Member
Join Date: Oct 2015
Posts: 6
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Wow. Just check back, the system is 12 volt and the inverter is pure Stine 3000 watt. Thank you for all the info and definitely will be checking this out.
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10-26-2015, 08:07 PM
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#8
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Senior Member
Join Date: Jul 2015
Location: Sandy, Utah
Posts: 196
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Wow Pappa bear,, you have a nice big system...
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10-26-2015, 09:53 PM
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#9
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Senior Member
Monaco Owners Club
Join Date: Dec 2009
Location: Underwood WA
Posts: 453
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Quote:
Originally Posted by pasdad1
This electric blanket is different! It uses a brick power supply to change the 120 VAC to 18 VDC. This has other benefits as well....smaller wires, more safety, more comfort. It has been reported to work well with MSW inverters. And if you have a pure sine wave inverter, it works fine as well!
Attachment 110439 |
Hmmm. Mine burned out very quickly with a modified sine wave. Coincidence? Don't know, but won't try again.
__________________
Bev & Dick and Fuzzy the cat
2005 Safari Cheetah 38
2009 Honda CRV dinghy
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10-27-2015, 01:01 AM
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#10
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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We use a good down comforter. No electricity required.
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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10-27-2015, 05:39 AM
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#11
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Senior Member
Join Date: May 2013
Location: North Central Vermont
Posts: 1,485
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Quote:
Originally Posted by vsheetz
We use a good down comforter. No electricity required.
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+1 The comforter is great once we get the sheets warmed up. I wouldn't mind an electric mattress pad for pre-heat.
__________________
2015 F350 XLT PSD CCSB SRW, Andersen Ultimate hitch
'12 Cougar High Country 299RKS, Mor/Ryde Pinbox
1/77 Armor Bn, 5th Mech, I Corps
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10-27-2015, 06:15 AM
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#12
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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WOW is right--sounds like you have a very "substantial" solar system. Let see here-- 1900+ watts of solar--thats like 9 or 10 large capacity panels--must be a big roof; the average 6 volt storage battery, when used in series [12volt], produces about 210 amp hours so base on six-6 volt bats, you have 660 amp/hrs [330 useable amp hour at 50%].
I dont have much solar but do have six 6-volt bats. With a residential fridge, a propane furnace and a few hour of TV watching, after genset hours, I get by fine, but not sure how many amp hours an electric blanket draws all night. Suspect it could/will all work but I have to see pictures of your roof panel array?????
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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10-27-2015, 08:02 AM
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#13
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Senior Member
Join Date: Jul 2014
Posts: 35,402
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The OP is stating 1140 AH of battery. Must be using 6, L16 batteries.
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10-27-2015, 08:53 AM
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#14
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Senior Member
Vintage RV Owners Club
Join Date: Jul 2015
Location: Oregon County, MO
Posts: 184
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I use 2 really heavy surplus Czech army wool blankets from the late 1940s and they keep me toasty warm even if it's down in the 40s in the coach. Much better than an electric blanket in my opinion. You can find heavy coarse wool blankets at surplus stores all over the internet for about 50$ or so. Well worth it too.
They all have a chemical smell until you air them out but once they do they are just like any other blanket and with wool it will keep you warm even if it gets wet. It also breathes so you will not sweat as much as with other kinds of blankets.
I just make sure to dry clean them every year so they don't get moth eaten. They should pretty much last a lifetime.
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