The Milwaukee® BOLT™ REDLITHIUM™ USB Cooling Fan 48-73-1385 is a helmet-mounted cooling accessory designed to improve worker comfort in hot and demanding environments. Delivering airflow of up to 15 MPH, it securely attaches to compatible MILWAUKEE® BOLT™ Safety Helmets and BOLT™ Hard Hats using the integrated BOLT™ mounting system. Powered by the interchangeable REDLITHIUM™ USB 3.0 Battery, the fan provides up to 6 hours of runtime and includes three interchangeable air ducts, allowing users to customize airflow for maximum comfort throughout the workday.

Key Features

Powerful cooling performance: Delivers airflow up to 15 MPH to help keep workers cool.
BOLT™ compatible: Securely mounts to MILWAUKEE® BOLT™ Safety Helmets and BOLT™ Hard Hats.
Customizable airflow: Includes three interchangeable air ducts to direct airflow where needed.
Long runtime: Operates up to 6 hours on low speed or up to 4 hours on high speed using the REDLITHIUM™ USB 3.0 Battery.
USB-C rechargeable: Recharge the battery directly in the fan using a USB-C cable or quickly swap batteries to minimize downtime.
Balanced all-day comfort: Lightweight design maintains helmet balance and comfort throughout the workday.
Accessory compatible: Allows simultaneous use with other compatible MILWAUKEE® BOLT™ accessories, including headlamps.

Intended Use

Designed to improve worker comfort in hot and physically demanding environments.

Construction, Infrastructure & Roadwork
Manufacturing & Industrial Maintenance
Utilities, Energy & Telecommunications
Mining, Oil & Gas
Warehousing, Logistics & Material Handling

Product Specifications

Manufacturer: Milwaukee®
Manufacturer Part Number: 48-73-1385
Product Type: Helmet-mounted cooling fan.
Compatibility: MILWAUKEE® BOLT™ Safety Helmets and BOLT™ Hard Hats.
Air Speed: Up to 15 MPH.
Battery Platform: REDLITHIUM™ USB 3.0.
Battery Runtime: Up to 4 hours (high speed); up to 6 hours (low speed).
Charging Method: USB-C rechargeable.
Airflow Adjustment: Three interchangeable air ducts included.
Battery Type: Interchangeable REDLITHIUM™ USB rechargeable battery.
Accessory Compatibility: Compatible with MILWAUKEE® BOLT™ headlamps and other BOLT™ accessories.

Certifications & Standards

MILWAUKEE® BOLT™ Compatible: Designed for secure attachment to compatible MILWAUKEE® BOLT™ Safety Helmets and Hard Hats.
REDLITHIUM™ USB System: Compatible with interchangeable MILWAUKEE® REDLITHIUM™ USB rechargeable batteries.