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When you’re working in the heat, comfort isn’t a luxury, it directly affects focus, productivity, and safety. That’s exactly why the Milwaukee BOLT System has been such a game changer for jobsite head protection. It’s not just a helmet or a hard hat, it’s a full, customizable platform built so you can secure multiple accessories at the same time and adapt your setup as the job changes. And now Milwaukee is taking that system to the next level with a brand-new accessory designed for one of the most overlooked jobsite problems: overheating.
The Milwaukee BOLT REDLITHIUM USB Cooling Fan (48-73-1385) is built for tradespeople who spend long days under helmets and hard hats, especially indoors, on rooftops, in mechanical rooms, or anywhere airflow is limited. This isn’t a “nice to have” gimmick, it’s made to deliver the most powerful airflow Milwaukee can pack into a helmet-mounted accessory, with up to 15 MPH air speed and up to 6 hours of runtime on a REDLITHIUM USB 3.0 battery. It’s the kind of add-on that helps crews stay more comfortable, last longer, and keep moving without constantly stopping to cool down.
The Milwaukee BOLT System: Built to Secure Accessories Simultaneously
Before diving into the fan, the bigger story matters: Milwaukee’s BOLT System is built around the idea that head protection should be modular. Jobs change fast and the gear you need at 7 AM might not be the same gear you need at 2 PM. With Milwaukee’s BOLT platform, you don’t have to choose between accessories or constantly swap gear around. You can secure accessories simultaneously, keep everything locked in place, and reconfigure your setup quickly without slowing down.
That’s why BOLT has become one of the most complete head protection ecosystems on the market. Whether you’re running a safety helmet or a hard hat, Milwaukee designed this system so you can mount the gear you need, like lighting, markers, visors, and now airflow, all at once. The goal is simple and it’s printed right in the BOLT message: STAY SAFE. STAY PRODUCTIVE.
What’s New: BOLT REDLITHIUM USB Cooling Fan
(48-73-1385)
Milwaukee’s newest BOLT accessory is designed to bring real airflow to your head protection setup. The BOLT REDLITHIUM USB Cooling Fan mounts securely to the BOLT front and rear accessory slots, which means it stays stable on your helmet/hard hat, even when you’re moving, bending, climbing, or working overhead.
Most powerful airflow
Milwaukee designed this fan to push serious air, up to 15 MPH air speed, to help you stay cool when the heat is working against you. If you’ve ever been stuck in a helmet sweating through a long shift, you already know why this matters.
Adjustable comfort for long wear
This isn’t just a fan bolted to your helmet. Milwaukee built it for balanced, all-day wear, so it doesn’t feel awkward or annoying while you’re working.
Custom airflow with 3 air ducts
The fan includes three air duct variations, so you can aim airflow the way you want it based on your work environment. That’s huge, because everyone wears helmets differently and heat hits harder depending on the jobsite setup.
Built on the REDLITHIUM USB battery platform (48-11-2131)
Built on the REDLITHIUM USB platform, the BOLT Cooling Fan runs on REDLITHIUM USB 3.0 batteries for up to 6 hours of runtime (4 hrs High / 6 hrs Low) and recharges via USB-C or swaps batteries for virtually no downtime.
Compatible with Milwaukee BOLT helmets + hard hats (and headlamps too)
The fan is designed to work across the BOLT lineup, meaning you can run it with Milwaukee’s BOLT Safety Helmets and BOLT Hard Hats, while still keeping compatibility with Milwaukee BOLT headlamps, which matters a lot for early mornings, indoor work, tunnels, or night shifts.
Why This Fan Fits the BOLT System So Well
Heat stress and overheating are real jobsite problems. When workers are uncomfortable, they take more breaks, lose focus, rush tasks just to finish, or make mistakes. The BOLT Cooling Fan fits directly into Milwaukee’s bigger goal with the BOLT platform: keep crews protected, equipped, and productive without slowing down.
It’s also a perfect example of what BOLT does best, layering accessories together. You’re not replacing your helmet. You’re not committing to one add-on. You’re enhancing the system with one more tool that works alongside everything else you already use.
Built on Milwaukee’s Premium BOLT Helmets and Hard Hats
The Cooling Fan is only as good as the platform it mounts to, and Milwaukee’s BOLT head protection lineup is built to perform. The system is anchored by Milwaukee’s BOLT Safety Helmets and Hard Hats that already focus on fit, protection, and all-day comfort.
Some standout BOLT options include:
BOLT Safety Helmets with IMPACT ARMOR Liner (48-73-1360)
are built for advanced head protection with RHEON technology for enhanced oblique impact performance, plus all-day comfort features like padded suspension, adjustable chin straps, and washable antimicrobial liners, all on the BOLT system to mount accessories simultaneously.
BOLT Full Brim Safety Helmet
(48-73-1650)
For crews who want full brim coverage with modern helmet performance, this model is designed to stay cooler while still offering Type 2 impact protection and full BOLT compatibility.
BOLT Hard Hats – Front Brim
(48-73-1326)
Milwaukee’s BOLT hard hats are built for everyday jobsite use, with ratcheting suspension options (4-point and 6-point), moisture-wicking sweatbands, cushioned ratchet pads, wide adjustment ranges, and most importantly six accessory slots designed for fast mounting and easy swaps.
The Bottom Line: A Cooler Jobsite is a Safer, More Productive One
At the end of the day, the Milwaukee BOLT REDLITHIUM USB Cooling Fan is a simple upgrade that makes the BOLT system even more jobsite-ready, powerful airflow, solid runtime, quick USB-C charging, and full compatibility with Milwaukee BOLT helmets and hard hats. It helps crews stay cooler, stay focused, and stay protected through the toughest part of the shift. Don’t hesitate to reach out at cs@ohiopowertool.com or 614-481-2111 with any questions, comments, or concerns, and be sure to follow us on all your favorite social media channels to stay in the know on all the latest announcements, deals, news, and more!
