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Solar 2 Fan Kit with 66.6 Wh Battery Backup, 50W Solar Panel Powered Rechargeable Weatherproof Fans for Chicken Coop Greenhouse Shed

4.3 out of 5 stars 23 ratings
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Style: Solar 2 fan kit with battery backup
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Purchase options and add-ons

Brand Fanspex
Material Plastic
Product Dimensions 6.3"L x 1.5"W x 11.8"H
Efficiency High Efficiency
Connector Type DC5521 Port

About this item

  • With Battery Backup: This solar dual fan kit with 66.6Wh battery backup box, which can storage solar power. Charging daytime, use it at night or use it when you need it for exhuast air from the Summer heat
  • 50W Solar Powered: The Solar dual fan kit powered by 2x 25W solar panel to provide decent air flow. Solar panel size is 15.4x13.0 inch
  • High Velocity Fan Kit: The fan kit with 2 high velocity fans for max 3500RPM speed which provide up to 360 CFM air-flow
  • Design for Outdoor Use: The whole kit is IP67 waterproofed for outdoor use, stay well in multiple Severe weather, including snow, storm. Working Temp from -13℉to 140℉
  • Multiple Usages: Upgrade 26.2 FT cord length and included installation kit which is more convenient use for outdoor Chicken coop, Dog House, Shed, Pet House, greenhouse

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This item: Fanspex Solar 2 Fan Kit with 66.6 Wh Battery Backup, 50W Solar Panel Powered Rechargeable Weatherproof Fans for Chicken Coop Greenhouse Shed
$98.99
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Product Description

a+_01.jpg
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20W Solar Dual Fan Kit
25W Solar 3 Fan Kit
25W 5.5 in Solar Dual Fan
50W Solar Rechargeable Dual Fan Kit
14 Inch Solar Rechargeable Floor Fan
8" Solar Powered Fan
Customer Reviews
4.3 out of 5 stars 285
4.3 out of 5 stars 285
4.2 out of 5 stars 226
4.2 out of 5 stars 226
4.8 out of 5 stars 32
4.2 out of 5 stars 9
Price $49.99 $58.99 $49.99 $95.99 $128.99 $49.99
Air Flow 360 CFM 540 CFM 420 CFM 420 CFM 1500 CFM 280 CFM
Battery Capacity NA NA NA 66.6 Wh 15600 mAh NA
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Product information

Technical Details

Brand ‎Fanspex
Material ‎Plastic
Product Dimensions ‎6.3"L x 1.5"W x 11.8"H
Efficiency ‎High Efficiency
Connector Type ‎DC5521 Port
Included Components ‎1x dual fan kit, 1x solar panel, 1x battery backup box, 1x installation kit, 1x user manual
Maximum Voltage ‎12 Volts (DC)
Maximum Power ‎5E+1 Watts
Special Feature ‎Waterproof, Rechargeable
UPC ‎676327112926
Output Voltage ‎12 Volts (DC)
Manufacturer ‎Fanspex
Item Weight ‎10.06 pounds
Country of Origin ‎China
Item model number ‎FS-10-B
Batteries ‎1 Lithium Ion batteries required. (included)
Color ‎Black
Style ‎Solar 2 fan kit with battery backup
Special Features ‎Waterproof, Rechargeable
Batteries Included? ‎Yes
Batteries Required? ‎Yes
Battery Cell Type ‎Lithium Ion

Additional Information

ASIN B0DJR3DQF2
Customer Reviews
4.3 out of 5 stars 23 ratings

4.3 out of 5 stars
Best Sellers Rank #77,839 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#50 in Greenhouse Ventilation Equipment
Date First Available October 9, 2024

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Fanspex Solar 2 Fan Kit with 66.6 Wh Battery Backup, 50W Solar Panel Powered Rechargeable Weatherproof Fans for Chicken Coop Greenhouse Shed
Fanspex Solar 2 Fan Kit with 66.6 Wh Battery Backup, 50W Solar Panel Powered Rechargeable Weatherproof Fans for Chicken Coop Greenhouse Shed
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Price$98.99$108.99-11% $49.99
List:$55.99
$58.99$89.99$49.99
Delivery
Get it as soon as Friday, May 2
Get it as soon as Friday, May 2
Get it as soon as Friday, May 2
Get it as soon as Friday, May 2
Get it as soon as Friday, May 2
Get it as soon as Friday, May 2
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Customer reviews

4.3 out of 5 stars
23 global ratings

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This is the kit to get for solar fans - with a back up battery
5 out of 5 stars
This is the kit to get for solar fans - with a back up battery
I've got two 25 watt solar fans - and I like them. They work in the sun - the most important time of day - and gets the air moving. The other units are 25 watt solar panels per 3 fans, this kit is 2 25 watt panels and a battery in the middle. It runs faster with two solar panels and with the battery, it can run late into the night as well. With two solar panels, I can aim them differently to get the most amount of solar power. You can turn it all off at the battery or at the fan on the cord. Overall: This is the kit to get if you need a great amount of air flow, multiple panels to draw power from and a battery to help on cloudy day or after dark
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Top reviews from the United States

  • Reviewed in the United States on April 11, 2025
    Style: Solar 3 fan kit with battery backupVerified Purchase
    Came packaged nicely and works very good moving air through my shed!
  • Reviewed in the United States on March 5, 2025
    Style: Solar 2 fan kit with battery backupAmazon Vine Customer Review of Free Product( What's this? )
    This review is for a Fanspex 50W Solar Panel 2 Fan Kit with 66.6 Wh Battery Backup.
    I was very pleased with the package as it was delivered. However, it would have been better with ONE 50w panel, rather than two 25w PV panels.
    I put each panel out on a cloudless March West Texas day, at 67*F. They were oriented approx. 30* off vertical to get the best irradiance. One 25w panel output 20w which was excellent, the other panel put out 18w, as tested with an Elejoy EY800W PV multitester. This was surprisingly good, since I was expecting something in the mid-teens.
    The battery says it will power the two fans for approx 5 hrs. when fully charged. I got about 4.25 hrs. You might want to consider a larger battery for longer ventilation. There is no indicator for battery charge status, but it would not be hard to wire a small battery state monitor into the system. The two fans are relatively quiet, and are either ON or OFF. I have not tried to put a speed controller or switch on the fans yet. They move a surprisingly large amount of air for their size.
    I admit that this is NOT for a chicken coop, but for a workshed that gets pretty warm when the sun shines. I already have one FANSPEX solar dual fan assembly aimed toward the interior roof. This unit was installed near the floor, with a 1/8in hardware cloth cover on it to suck in cooler ground level air in the mornings. It works very well for that. (The hardware cloth is to prevent unwanted crawling visitors.)
    This is a great package for multiple uses, and if you have a need for a small ventilation system for a small space, I’d recommend this.
    One person found this helpful
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  • Reviewed in the United States on March 22, 2025
    Style: Solar 2 fan kit with battery backupAmazon Vine Customer Review of Free Product( What's this? )
    The Solar 2 Fan Kit with 66.6 Wh Battery Backup and 50W Solar Panel offers a robust, eco-conscious ventilation solution for chicken coops, greenhouses, and sheds. Featuring two 25W solar panels, it drives dual weatherproof fans that deliver up to 360 CFM of airflow at 3500 RPM, keeping spaces well-ventilated and comfortable. The 66.6 Wh rechargeable battery stores energy efficiently, providing consistent operation during nighttime or cloudy conditions—a major plus for reliability. With an IP67 rating, the kit endures harsh weather, from rain to snow, and functions in temperatures ranging from -13°F to 140°F. Installation is simple with a 26.2-foot cord and mounting hardware, though some users might need extra tools for complex setups. Fan performance peaks in direct sunlight, tapering off in low light, but the battery ensures steady airflow. This kit blends power, durability, and versatility, making it an outstanding choice for anyone seeking a solar-powered, off-grid ventilation system for small to medium outdoor structures.
  • Reviewed in the United States on March 1, 2025
    Style: Solar 2 fan kit with battery backupAmazon Vine Customer Review of Free Product( What's this? )
    Nice little dual fan, dual solar panel exhaust system. The unit even has a battery pack that you can charge up via the solar connection and it will run the fan after the sun sets.

    The fans aren't super powerful, but they move the air. The solar panels are good quality and I laid them out in my shop when I first unpacked it. Hooked the cords to the battery pack and then hooked the battery pack to the fans. Simple process and had everything ready in a couple minutes. I have a few clear panels on my barn roof for light to come into the building and it was enough to start the unit charging. The battery pack has and indicator and it was about 75 % charged on arrival.

    The cord from the battery pack to the fans has a switch on it and the battery pack is also switched so you can turn everything off in both places. I was expecting the unit to push air, but being an exhaust fan it pulls it through the two fans and out the side with the finished surface. Hope that makes sense.

    Overall, nice build quality on the panels, battery pack and the fans. The wires are light weight but appear sufficient. Does not blast air, but moves it and would keep the air circulating in a dog house, chicken coop or small building as advertised.

    I like it and will get a lot of use out of it I believe. Neat little rig if you have an outbuilding that doesn't have electricity but needs an exhaust fan.
  • Reviewed in the United States on March 20, 2025
    Style: Solar 3 fan kit with battery backupAmazon Vine Customer Review of Free Product( What's this? )
    I've got two 25 watt solar fans - and I like them. They work in the sun - the most important time of day - and gets the air moving. The other units are 25 watt solar panels per 3 fans, this kit is 2 25 watt panels and a battery in the middle. It runs faster with two solar panels and with the battery, it can run late into the night as well. With two solar panels, I can aim them differently to get the most amount of solar power. You can turn it all off at the battery or at the fan on the cord.

    Overall: This is the kit to get if you need a great amount of air flow, multiple panels to draw power from and a battery to help on cloudy day or after dark
    Customer image
    5.0 out of 5 stars
    This is the kit to get for solar fans - with a back up battery

    Reviewed in the United States on March 20, 2025
    I've got two 25 watt solar fans - and I like them. They work in the sun - the most important time of day - and gets the air moving. The other units are 25 watt solar panels per 3 fans, this kit is 2 25 watt panels and a battery in the middle. It runs faster with two solar panels and with the battery, it can run late into the night as well. With two solar panels, I can aim them differently to get the most amount of solar power. You can turn it all off at the battery or at the fan on the cord.

    Overall: This is the kit to get if you need a great amount of air flow, multiple panels to draw power from and a battery to help on cloudy day or after dark
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer image
  • Reviewed in the United States on April 21, 2025
    Style: Solar 3 fan kit with battery backupVerified Purchase
    Ordered two of these fans with prime because I needed them quick. They were set to be delivered a few days later. Delivery date came and I received a folding shopping cart instead. Contacted Amazon and they sent out a “replacement” took a week to come in this time. Finally get them and they do not work like they are suppose to. Should run on solar during the day and battery back up at night and it’s not. It’s running on battery during the day then dying by night time. Will never order these or from this company again
  • Reviewed in the United States on March 13, 2025
    Style: Solar 2 fan kit with battery backupAmazon Vine Customer Review of Free Product( What's this? )
    We have a Costco plastic shed, which is nice, but during summer, sun will heat it up like crazy. In a way that we can't leave any liquid, battery, chemical, etc inside,

    This fan 2 fans solar kit is perfect. Easy to install, you dont need to run cables from anywhere. On top of that, since it has a battery "buffer" you can run it even if there is no sun at that moment. My shed has a lot of sun (that causes the issue with heat too..) I ran it around 2 hours without sun, and kept running. And just a couple of hours next day the battery will topped of.

    I did added insulation around the battery, since winter is hard here and Lithium batteries shouldn't be charger bellow 32F.