{"product_id":"milwaukee-bolt™-redlithium™-usb-cooling-fan","title":"Milwaukee BOLT™ REDLITHIUM™ USB Cooling Fan","description":"\u003ch2\u003eHelmet-Mounted Cooling Fan with Up to 15 MPH Airflow for Milwaukee BOLT™ Helmets\u003c\/h2\u003e\u003cp\u003eThe Milwaukee BOLT™ REDLITHIUM™ USB Cooling Fan delivers the most powerful helmet-mounted airflow available — up to 15 MPH — to keep you cool and focused during long, hot days on the job. It mounts directly to the front and rear mounting slots of any Milwaukee BOLT™ Safety Helmet or Hard Hat, and includes three interchangeable air ducts so you can direct airflow exactly where you need it. Powered by the REDLITHIUM™ USB 3.0 Battery, it runs up to 6 hours on a single charge and recharges via USB-C right in the fan.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 15 MPH air speed\u003c\/strong\u003e — the most powerful airflow in its class\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 6 hours of run-time\u003c\/strong\u003e — 4 hours on high speed, 6 hours on low speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 included air duct variations\u003c\/strong\u003e — customize airflow direction for your work conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure duct attachment\u003c\/strong\u003e — ducts stay locked in place during active use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounts to BOLT™ front and rear mounting slots\u003c\/strong\u003e — compatible with all Milwaukee BOLT™ Safety Helmets and Hard Hats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable REDLITHIUM™ USB 3.0 Battery\u003c\/strong\u003e — swap batteries for virtually no downtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C rechargeable\u003c\/strong\u003e — recharge the battery directly in the fan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with Milwaukee BOLT™ Headlamps\u003c\/strong\u003e — run accessories simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced, all-day wear\u003c\/strong\u003e — designed to maintain helmet balance even with fan attached\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax air speed:\u003c\/strong\u003e 15 MPH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun-time (high speed):\u003c\/strong\u003e 4 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun-time (low speed):\u003c\/strong\u003e 6 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e REDLITHIUM™ USB 3.0 (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e USB-C (charges in fan)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e All Milwaukee BOLT™ Safety Helmets and BOLT™ Hard Hats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Fan, REDLITHIUM™ USB 3.0 Battery, 3 air duct variations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0276\/2057\/3268\/files\/379d6db9a92c4d639a6eb1ce8e34a574.png?v=1775824655\" alt=\"Milwaukee BOLT REDLITHIUM USB Cooling Fan mounted on helmet showing air duct attachment\" style=\"max-width:100%;margin:16px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0276\/2057\/3268\/files\/5af4dae504014ab6af14cfb6ffefbbf2.png?v=1775824669\" alt=\"Milwaukee BOLT REDLITHIUM USB Cooling Fan showing three included air duct variations and USB-C charging\" style=\"max-width:100%;margin:16px 0;\"\u003e\u003ch3\u003eQuick Decision Guide\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlready have a Milwaukee BOLT™ helmet?\u003c\/strong\u003e This fan drops right into the existing front and rear mounting slots — no tools needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking long shifts in the heat?\u003c\/strong\u003e The 6-hour low-speed run-time covers a full workday on a single charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed extra batteries for all-day use?\u003c\/strong\u003e Additional REDLITHIUM™ USB batteries are sold separately and swap in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLooking for Milwaukee BOLT™ helmets?\u003c\/strong\u003e Browse our full range of \u003ca href=\"\/collections\/helmets\"\u003earborist helmets\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat helmets is this fan compatible with?\u003c\/strong\u003e\u003cbr\u003eIt is compatible with all Milwaukee BOLT™ Safety Helmets and BOLT™ Hard Hats that feature front and rear BOLT™ mounting slots.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does the battery last?\u003c\/strong\u003e\u003cbr\u003eUp to 4 hours on high speed and up to 6 hours on low speed with the included REDLITHIUM™ USB 3.0 Battery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I charge the battery while it's in the fan?\u003c\/strong\u003e\u003cbr\u003eYes — the fan includes a USB-C port so you can recharge the battery directly in the fan without removing it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the three air ducts for?\u003c\/strong\u003e\u003cbr\u003eThe three included air duct variations let you direct airflow in different directions — straight ahead, angled down, or angled up — depending on your work conditions and preference.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use the fan and a headlamp at the same time?\u003c\/strong\u003e\u003cbr\u003eYes — the BOLT™ mounting system allows you to secure multiple accessories simultaneously, including Milwaukee BOLT™ compatible headlamps.\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":52712986476863,"sku":"OHL-48-73-1385","price":180.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/2057\/3268\/files\/a04a7c732ee54d0dbef58cb7896b29b6.webp?v=1775824590","url":"https:\/\/www.bartlettman.com\/products\/milwaukee-bolt%e2%84%a2-redlithium%e2%84%a2-usb-cooling-fan","provider":"Bartlett Arborist Supply","version":"1.0","type":"link"}