Q: How long does the fan run on a full charge?
It runs up to 2 hours on the highest setting or up to 18 hours on the lowest, from a 15,000 mAh battery that takes about 2 1/2 to 3 hours to recharge.
99W9250 - Rechargeable High-Velocity Fan
Special buy. Limited stock.
Powered by an integrated lithium-ion battery, this lightweight, portable fan doesn't require a nearby outlet, so you can run it in places you couldn’t normally use a fan.The 15,000 mAh battery powers the fan for up to 2 hours on the highest setting or up to 18 hours on the lowest setting, and it takes only 2 1/2 to 3 hours to charge, even if the fan is running while it's plugged in. A USB outlet also lets you to use the stored power to recharge mobile devices.
At high speed, the 15 1/2" diameter propeller provides up to 2500 cfm (cubic feet per minute) of air movement, controlled by a variable speed dial so you can set it to exactly the amount of airflow you want. The energy-efficient 24V, 1.5 amp DC motor is a brushless, low-vibration design; combined with the rigid metal blades (more stable than plastic blades), it makes the fan surprisingly quiet even at full blast. A completely enclosed motor housing and rubber seals for the USB and charge ports resist rain showers and splashes of water, making it safe for outdoor use.
Just over 18" tall and 20" wide overall, with a 120° range of angle adjustment, it’s easy to aim this fan wherever you need air circulated. ETL & CETL listed. AC adapter and charge cable included.
It runs up to 2 hours on the highest setting or up to 18 hours on the lowest, from a 15,000 mAh battery that takes about 2 1/2 to 3 hours to recharge.
Yes, a fully enclosed motor housing and rubber seals on the USB and charge ports resist rain showers and splashes, so it's suited to outdoor use as well as the shop.
Yes, a USB outlet lets you draw on the fan's stored battery power to recharge a phone or other small device.
Yes, it takes about 2 1/2 to 3 hours to recharge even if you keep running the fan while it's plugged in.
At high speed, its 15 1/2" propeller moves up to 2500 cfm, with a variable dial that lets you scale back the airflow for quieter, lower settings.
| Materials | Metal blades |
| Dimensions | Just over 18" tall × 20" wide; 15 1/2" propeller diameter |
| Package Quantity | 1 item |
| Includes | Fan; AC adapter; charge cable |
| Capacity | Maximum 2500 cfm airflow |
| Power Source | Rechargeable 15,000 mAh lithium-ion battery; USB charging port |
| Certifications | cETLus listed |
| Motor | 24V, 1.5 amp DC brushless motor |
| Warranty | Lee Valley Satisfaction Guarantee |

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Rechargeable High-Velocity Fan
Special buy. Limited stock.
Powered by an integrated lithium-ion battery, this lightweight, portable fan doesn't require a nearby outlet, so you can run it in places you couldn’t normally use a fan.The 15,000 mAh battery powers the fan for up to 2 hours on the highest setting or up to 18 hours on the lowest setting, and it takes only 2 1/2 to 3 hours to charge, even if the fan is running while it's plugged in. A USB outlet also lets you to use the stored power to recharge mobile devices.
At high speed, the 15 1/2" diameter propeller provides up to 2500 cfm (cubic feet per minute) of air movement, controlled by a variable speed dial so you can set it to exactly the amount of airflow you want. The energy-efficient 24V, 1.5 amp DC motor is a brushless, low-vibration design; combined with the rigid metal blades (more stable than plastic blades), it makes the fan surprisingly quiet even at full blast. A completely enclosed motor housing and rubber seals for the USB and charge ports resist rain showers and splashes of water, making it safe for outdoor use.
Just over 18" tall and 20" wide overall, with a 120° range of angle adjustment, it’s easy to aim this fan wherever you need air circulated. ETL & CETL listed. AC adapter and charge cable included.
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