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10-18-2021, 09:31 AM
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#1
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Junior Member
Join Date: Jul 2021
Location: San Diego
Posts: 6
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TV Question
If I have a DC powered TV will it operate on shore power or is it battery only? Would it be better to buy a AC TV and a small inverter? Want a 40" smart but seems difficult to find in DC. Thanks appreciate any input.
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10-18-2021, 09:43 AM
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#2
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,599
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"If" you have a DC TV? DO you have a DC TV?? I don't know that you're going to find a DC smart TV of 40". What is your objective - are you wanting to camp without AC power but still watch a smart TV? How long etc.?
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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10-18-2021, 09:44 AM
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#3
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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A standard AC TV running off an inexpensive small inverter would be a lot less expensive.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-18-2021, 11:48 AM
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#4
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,271
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Quote:
Originally Posted by sourdough
"If" you have a DC TV? DO you have a DC TV?? I don't know that you're going to find a DC smart TV of 40". What is your objective - are you wanting to camp without AC power but still watch a smart TV? How long etc.?
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Well, it's not smart, but it showed up right on top of the DDG search results for "DC powered TV":
https://www.walmart.com/ip/Free-Sign...-Use/984359043
But you'd have to get that one used. This one is still available new:
https://www.etrailer.com/RV-TV/Jensen/JTV4015DC.html
Frankly, I've found "smart" TVs a mistake. After a year or so, their apps get outdated and either cannot or will not be updated. Cheap dongles like Roku or Firestick that you can replace as needed are the way to go.
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2019 Cougar 26RBSWE
2019 Ford F-250
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10-18-2021, 11:51 AM
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#5
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Senior Member
Join Date: Aug 2017
Location: Rock Island
Posts: 457
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Agreed, AC TV and run it from an inverter when not on shore power.
When I tested my system I had two 6v CG2 batteries, 48” furrion tv and a 500w inverter. The batteries went to minimum (50%) after about 8 hours.
That would mean after 8 hours I would not have any power for lights or furnace, or refer or anything, so I never use for more than a couple hours so I have plenty of power for overnight.
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10-18-2021, 12:01 PM
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#6
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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$600 for a 40" 12v dc TV? Nope, a good 40" smart TV can be had for $150-$300. A 300 watt converter is <$100 for a good pure sine wave unit. Seems like a no brainer to me.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-18-2021, 06:07 PM
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#7
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Junior Member
Join Date: Jul 2021
Location: San Diego
Posts: 6
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Quote:
Originally Posted by flybouy
A standard AC TV running off an inexpensive small inverter would be a lot less expensive.
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I think that is the direction I m headed. Thanks to all who responded.
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10-19-2021, 08:35 PM
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#8
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Junior Member
Join Date: Jul 2021
Location: San Diego
Posts: 6
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What is the minimum watt inverter I would need. Again thanks to everyone who responded. Great info.
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10-20-2021, 03:28 AM
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#9
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,714
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Quote:
Originally Posted by In The Long Run
What is the minimum watt inverter I would need. Again thanks to everyone who responded. Great info.
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Just for the tv? Or for the tv and other 120v ac appliances?
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-21-2021, 06:13 PM
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#10
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Junior Member
Join Date: Jul 2021
Location: San Diego
Posts: 6
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Quote:
Originally Posted by flybouy
Just for the tv? Or for the tv and other 120v ac appliances?
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For the TV only.
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10-21-2021, 06:34 PM
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#11
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,235
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Look at the TV, it will list power consumption. Most TVs in RV’s draw about 15-20 watts. I have installed numerous 100w inverters wired to the nearest 12V source with no issues.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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10-28-2021, 12:06 PM
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#12
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Senior Member
Join Date: Aug 2019
Location: Shawnigan Lake
Posts: 122
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Modern LED TVs use very little power and can be run off a small inverter. I run a 40 in. and I use a dedicated 12v battery just for that purpose and then charge it up when it gets low. But if you don't want the hassle, just plug your inverter into your rv batteries via a cigarette lighter and it will draw very little juice.
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Roy
2013 F-150 5.0
2012 Springdale 260TBL
"He was bred in Kentucky, but he's just a crumb out here." - Curly Howard
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10-28-2021, 12:14 PM
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#13
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Member
Join Date: Sep 2014
Location: Colorado Springs, CO
Posts: 35
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Quote:
Originally Posted by In The Long Run
If I have a DC powered TV will it operate on shore power or is it battery only? Would it be better to buy a AC TV and a small inverter? Want a 40" smart but seems difficult to find in DC. Thanks appreciate any input.
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Usually a 12vDC TV will comes with a 120vAC to 12vDC stepdown transformer. Or, it will come with a 12vDC cigarettes socket plug. I would check to find out what power adapter accessories come with the unit before buying.
Recently my friend bought an older motorhome that did not come with an inverter. Her 40" 120vAC TV worked fine using shore power, but when boondocking she had to buy a small 400watt 12vdc to 120vAC inverter that she plugged into her storage batteries and ran the TV off of them. A small 40" TV amperage is only about 35-40 watts. An average flooded single 12v battery (100ah) usually has about 1200 watts of storage capacity if completely drained. Not wise to drain it completely, but 50% drain would give you 600 watts, or about 15hrs of TV time.
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10-28-2021, 05:09 PM
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#14
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Junior Member
Join Date: Dec 2019
Location: Gulfport
Posts: 6
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I have a 42" TV that I bought at Best Buy a couple of years ago that runs off of 12VDC. It has a "brick" power supply in the power cord to change 120VAC to 12VDC. I made up a cord with the coaxial connector to plug into 12VDC and it runs the TV just great, then when power is available I simply change the cord. You might try there.
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