Hi, could these be run off solar-charged phone power banks to help with air movement in a small (8ft x 6ft) greenhouse?

yes if your power bank runs 5v with usb a connector (the big oblong one)

what type of USB extension can be used with this, please?

These are two small computer fans both attached to a cable which can be plugged into a USB socket. The pair I purchased worked as described. But remember these are very small fans and are only originally designed to cool down the internals of a small personal computer.

The images are miss leading, can these 80mm fans be mounted? The images don't show screw holes, but the description mentions supplied with screws?

Hello, yes, those fans are supplied with screws. The screw holes are at four corner, you can see them from picture. Thanks!

How long is the wire between the two fan units (not the power USB cord)?

I think there may have been a slight alteration since I purchased mine, but from each fan to the USB splitter is 60cm. So mine can be stretched almost 4 feet apart. Hope this helps. Very good product which keeps the PS4 cool and remote hard drive.

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ELUTENG USB Fan 80mm 2 In 1 Computer Fan 5V Mini Desk Fan 2700RPM 32CFM Dual USB PC Fans Cooling Radiator with Black Metal Grill Double Fans For Home Office Bedroom Library | 2700RPM 32CFM Dual USB PC Fans Cooling Radiator with Black Metal Grill Double Fans For Home Office Bedroom Library

ELUTENG USB Fan 80mm 2 In 1 Computer Fan 5V Mini Desk Fan 2700RPM 32CFM Dual USB PC Fans Cooling Radiator with Black Metal Grill Double Fans For Home Office Bedroom Library | 2700RPM 32CFM Dual USB PC Fans Cooling Radiator with Black Metal Grill Double Fans For Home Office Bedroom Library

Product ID: 48564300

Details

Brand
ELUTENG
Compatible devices
PC Laptop PS4
Cooling method
Air
Material
Metal
Maximum rotational speed
2700 RPM
Noise level
35 Decibels

💨2700 RPM max speed

🔌Dual USB powered fans

🛡️Durable black metal grill

B/.99

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Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Double the fans, double the cool — stay chill, stay ahead.

BUILT TO LAST - High-quality dual ball bearings ensure a 68,000-hour lifespan for relentless performance.
SAFETY MEETS STYLE - Protective metal grills and reinforced cables keep your setup safe and sleek.
CUSTOMIZABLE BREEZE - 3-speed controller lets you dial in the perfect airflow vs noise balance.
DUAL FAN POWERHOUSE - Two 80mm fans on a single USB cable for double the cooling impact.
PLUG PLAY CONVENIENCE - USB-powered with no drivers needed—just connect and chill instantly.

The ELUTENG USB Fan features dual 80mm fans powered by a single USB cable, delivering up to 2700 RPM and 32 CFM airflow. Its 3-speed adjustable controller balances quiet operation (as low as 25dB) with powerful cooling, ideal for PCs, gaming consoles, and AV equipment. Built with durable metal grills and long-lasting dual ball bearings, this compact fan is designed for efficient, safe, and stylish cooling in home or office environments.

Specifications

ASIN	B073WDL6BV
Air Flow Capacity	32 Litres Per Minute
Best Sellers Rank	7,551 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 97 in Thermal Management Products 185 in Fans & Cooling
Brand	ELUTENG
Compatible Devices	PC, Laptop, PS4, xBox, TV Box, Receiver, AV Cab, Projector, Router
Cooling Method	Air
Customer Reviews	4.4 4.4 out of 5 stars (2,727)
Included Components	Cord
Item Dimensions L x W x H	35L x 80W x 80H millimetres
Manufacturer	ELUTENG
Manufacturer Part Number	ELT-CDUFAN-80-EU
Material	Metal
Max Rotational Speed	2700 RPM
Noise Level	35 Decibels
Number of Items	1
Number of Packs	1
Power Connector Type	4-Pin
Unit Count	1.0 count
Voltage	5 Volts
Wattage	2.9 watts

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