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 > Battery operated fan quesiton ?

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Caveman Charlie

Storden, MN

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Posted: 03/30/22 06:00pm Link  |  Quote  |  Print  |  Notify Moderator

In my Travel Trailer I'm set up for camping without electricity, I have 2 - 6 volt golf cart batteries they run everything in the RV.

I also have 2 fans that run on the USB port inside the camper that is connected to the batteries. These fans draw a total of 5 watt. This keeps me, the girlfriend, and the dog comfortable enough after dark when the temps in MN drop down anyway.

I bought a cheap pop up camper this winter and I'm planning on using it for a couple of trips this summer. I will be camping in it for 4-6 days at a time. This will just be me camping all by myslef. The pop up has no battery of any kind and I will be going camping at places without electricity. This old pop up has no systems anyway. It's just a tent on wheels. I don't want to spend a lot of money on the old thing.

I would like to run a fan at night for ventilation and white noise. One of the USB fans at 2.5 watt would be good enough but, 2 for a total of 5 watt would be better.

You can purchase portable power stations but, they cost probably close to 200 dollars, or more, for a decent one. That's a lot of money for something I'm only going to use twice to power a fan.

I've looked at battery powered fans (there is a dizzying amount of them) that can be as cheap as 35 bucks but, they never seem to run for more then about 5-6 hours and then take several hours, up to 8, plugged into the pickup the next day to recharge. Some of them require 115 volts to recharge. (My pickup does have a 115 volt outlet but, it's only powered when the engine is running. So that is not very convenient )

So, What I'm looking for a fan that moves some air, makes some noise, runs for 8 or more hours and can be charged back up in 2-4 hours. Is there such a thing ???

If not what can I use to run the USB fans for a affordable amount of money ? Could I take a car battery along and run the fan for several nights then recharge it in a few hours ??? It almost seems to be the cheapest way but, it would require me to drag along a old car battery and a car battery charger. That is not very convenient either.

Does anyone here have any experience with battery powered fans ? If not is there another forum you can recommend ?

I just can't decide which route to take.

Thank you and have a nice Day.


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The Western States

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Posted: 03/30/22 06:37pm Link  |  Quote  |  Print  |  Notify Moderator

You could use 12V fans powered from the tow vehicle battery, connect to the battery or cig plug.


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toedtoes

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Posted: 03/30/22 07:49pm Link  |  Quote  |  Print  |  Notify Moderator

Do you plan on keeping the tent trailer for a while, I would say install a car battery on it and wire a couple usb ports in the trailer for the 2 fans. You could add another usb port or a 12v port (or a couple or a combination) for charging your cell phone, etc.


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JimK-NY

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Posted: 03/30/22 09:18pm Link  |  Quote  |  Print  |  Notify Moderator

Amazon has fans that run on 120v or D cell batteries. We actually picked up one that someone else threw away. According to Amazon it will run for 50+ hours on low speed and 20 some on high speed.

It takes 6 D cell batteries. You could use rechargeable batteries but I doubt that you would be able to recharge them in only 2 or 3 hours.

TurnThePage

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Posted: 03/30/22 09:53pm Link  |  Quote  |  Print  |  Notify Moderator

I have a couple of those USB charged fans with batteries. I'm very impressed so far. One is clip on, one is mounted on a tripod with twisty/grippy legs. Both of them can run straight from USB power as long as it's a 2 amp supply, and both claim an 8 hour run time. One of them is permanently mounted on my home bed providing just what you're asking for. One of the best fans I've ever purchased. More recently I added that one mounted on the tripod. I've been using it in battery mode for over a week to provide ventilation while I'm working out on an exercise machine. So far it still claims to be fully charged, and I've been using it on the medium setting.

I think one of those higher capacity phone charging battery units would easily keep a couple of these charged up, allowing you to enjoy a good night's sleep.


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1320Fastback

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Posted: 03/30/22 09:54pm Link  |  Quote  |  Print  |  Notify Moderator

Runs for 10 hours on Low.

https://ryobitools.com/products/details/33287139606


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StarkNaked

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Posted: 03/30/22 10:19pm Link  |  Quote  |  Print  |  Notify Moderator

My solution is a portable fan with built in battery that is rechargeable from a USB plug. Charge it when there is engine power, or solar power.

We also have a small fan that takes two D cells, and a larger fan that takes six D cells (and has a 110V adapter).

Skibane

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Posted: 03/31/22 12:15am Link  |  Quote  |  Print  |  Notify Moderator

The Ryobi fan is powerful, but kind of noisy to sleep by.

It really needs a lower "LOW" speed than what it currently has.

Caveman Charlie wrote:

You can purchase portable power stations but, they cost probably close to 200 dollars, or more, for a decent one.


I don't think you have to pay anywhere near that much for a USB power bank that will run a couple of fans overnight.

For example, here's a 10 amp-hour model for $25.

Theoretically, that's big enough to supply 5 watts for 10 hours.

Instead of looking for something exotic with ultra-fast recharge, just buy two of them - and use one while the other is recharging.

wa8yxm

Davison Michigan (East of Flint)

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Posted: 03/31/22 04:29am Link  |  Quote  |  Print  |  Notify Moderator

JimK-NY wrote:

Amazon has fans that run on 120v or D cell batteries. We actually picked up one that someone else threw away. According to Amazon it will run for 50+ hours on low speed and 20 some on high speed.

It takes 6 D cell batteries. You could use rechargeable batteries but I doubt that you would be able to recharge them in only 2 or 3 hours.


So do Pilot, Love's and Flying-J Truck Stops.... Likely T/A as well.
I have one here in my bedroom. Though I run it on 12 volt since this apartment has a LOT of 12 volt (up to 80 amps) for other stuff that does not need all of that (needs 20)


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after a semi "nicked" it. Still have the radios
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Caveman Charlie

Storden, MN

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Posted: 03/31/22 06:37pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks for the solutions so far.

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