{"product_id":"milwaukee-2163-21-redlithium-usb-600-lumen-hardhat-headlamp-no5rwo","title":"Milwaukee 2163-21 REDLITHIUM USB 600-Lumen Hardhat Headlamp","description":"\u003csection data-aplus\u003e\u003cdetails id=\"product-features\" class=\"acc\" open\u003e \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"features\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-inside\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/power.svg\" alt=\"power\" class=\"aplusicon\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e600 Lumens, 5 Modes\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003eThis Milwaukee 2163-21 REDLITHIUM USB 600-Lumen Hard Hat Headlamp gives you hybrid, flood, and spot output options so you can light up a panel, scan a work area, or focus on detail work without switching tools.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-inside\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/charge-time.svg\" alt=\"charge-time\" class=\"aplusicon\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eFast Recharge, Swappable Battery\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003eThe REDLITHIUM USB 3.0Ah battery charges to 50% in under 30 minutes and can be swapped out, which helps cut downtime when the job runs long.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-inside\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/ip-rating.svg\" alt=\"ip-rating\" class=\"aplusicon\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eBuilt for the Jobsite\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003eWith an IP54 rating and 6-foot drop resistance, this rechargeable headlamp is made for dust, water, and the normal abuse that comes with daily hard hat use.\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-overview\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\" data-product-summary\u003e \u003cp\u003eThe \u003cstrong\u003eMilwaukee 2163-21 REDLITHIUM USB 600-Lumen Hard Hat Headlamp\u003c\/strong\u003e is a rechargeable hard hat headlamp built for hands-free jobsite lighting. This is a \u003cstrong\u003eheadlamp designed for task lighting, inspection work, and low-light jobsite visibility\u003c\/strong\u003e. Model Number \u003cstrong\u003e2163-21\u003c\/strong\u003e. If you work in electrical, service, maintenance, or general construction and need light exactly where you are looking, this setup makes a lot of sense.\u003c\/p\u003e \u003cp\u003eOutput is the real story here. You get \u003cstrong\u003e600 lumens\u003c\/strong\u003e of TRUEVIEW high-definition output and \u003cstrong\u003e5 output modes\u003c\/strong\u003e: hybrid at 600 lumens for 5 hours, flood high at 400 lumens for 9 hours, flood low at 100 lumens for 20 hours, spot high at 400 lumens for 9 hours, and spot low at 100 lumens for 20 hours. That gives you a wide beam for close work, a focused beam for looking deeper into a space, and lower-output options when runtime matters more than max brightness.\u003c\/p\u003e \u003cp\u003eMilwaukee also did the practical stuff right. The light head offers \u003cstrong\u003e180 degrees of mobility\u003c\/strong\u003e, so you can aim the beam where you need it instead of fighting the bracket angle. The headlamp is also \u003cstrong\u003edetachable\u003c\/strong\u003e, which matters more than it sounds. You can pop it off for charging or use it for close-up tasks in places where wearing the whole hard hat setup is awkward.\u003c\/p\u003e \u003cp\u003eFor jobsite durability, the Milwaukee 2163-21 REDLITHIUM USB 600-Lumen Hard Hat Headlamp is rated \u003cstrong\u003eIP54 for dust and water resistance\u003c\/strong\u003e and is built to survive \u003cstrong\u003e6-foot drops\u003c\/strong\u003e. That makes it a better fit for real trade use than a basic consumer headlamp. It is also compact and light, with a listed weight of \u003cstrong\u003e0.33 lb\u003c\/strong\u003e, which helps when you are wearing it for a full shift.\u003c\/p\u003e \u003cp\u003ePower comes from the included \u003cstrong\u003eREDLITHIUM USB 3.0Ah battery\u003c\/strong\u003e. The battery can be charged in the light through \u003cstrong\u003eUSB-C\u003c\/strong\u003e, and Milwaukee states you can get \u003cstrong\u003e50% charge in under 30 minutes\u003c\/strong\u003e, \u003cstrong\u003e80% in under 1 hour\u003c\/strong\u003e, and a \u003cstrong\u003efull charge in 2 hours\u003c\/strong\u003e. There is also a battery status indicator button, so you are not guessing when it is time to charge. If you already run other Milwaukee REDLITHIUM USB lighting, the swappable battery setup is a real advantage because you can keep working instead of waiting on a cord.\u003c\/p\u003e \u003cp\u003eAttachment is handled with \u003cstrong\u003e4 hard hat clips and a rubber grip\u003c\/strong\u003e for a secure fit. That makes this a better choice for workers who need a hard hat-compatible lighting solution rather than just a standard elastic-strap headlamp. It is especially useful for electricians, utility techs, inspectors, plant maintenance crews, and general contractors working in mechanical rooms, attics, crawl spaces, service panels, and unfinished interiors.\u003c\/p\u003e \u003cp\u003eIf you need a cordless work light that stays on your hard hat, gives you multiple beam options, and charges quickly between tasks, this one checks the right boxes. It is not trying to be a floodlight for lighting an entire room. It is a compact Milwaukee headlamp for seeing the exact area in front of you and keeping both hands free while you work.\u003c\/p\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-benefits-1\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eHands-Free Light Where You Need It\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/50181429330214_ebcd5a99ca9d.jpg\" alt=\"Milwaukee 2163-21 REDLITHIUM USB 600-Lumen Hard Hat Headlamp being used for electrical panel work in a dark indoor jobsite setting\" class=\"tnblock-img\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003cp\u003eFor panel work, maintenance calls, and any task where one hand is already busy, a hard hat headlamp makes the job smoother. You keep the beam lined up with your line of sight, which is exactly what you want when tracing wires, reading labels, or checking tight spaces.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eTRUEVIEW high-definition output delivers up to 600 lumens\u003c\/li\u003e \u003cli\u003eHybrid, flood, and spot modes let you match the beam to the task\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e \u003csummary\u003e\u003ch2\u003eSecure Fit on a Hard Hat\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/50181429330214_3cb087dbe376.jpg\" alt=\"Milwaukee 2163-21 REDLITHIUM USB 600-Lumen Hard Hat Headlamp mounted on a white hard hat for jobsite lighting use\" class=\"tnblock-img\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003cp\u003eThis setup is meant for actual hard hat use, not just occasional wear. The included clips and rubber grip help keep the light planted so it does not shift around every time you look up, kneel down, or move through a tight area.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIncludes 4 hard hat clips for attachment\u003c\/li\u003e \u003cli\u003eRubber grip improves hold on the helmet surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eEasy Charging and Less Downtime\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/50181429330214_dacad50c6a41.jpg\" alt=\"Milwaukee 2163-21 REDLITHIUM USB 600-Lumen Hard Hat Headlamp with REDLITHIUM USB battery, hard hat clips, and USB-C charging cable\" class=\"tnblock-img\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"copy\"\u003e\n\u003cp\u003eThe swappable REDLITHIUM USB battery system is what separates this from throwaway headlamps. Charge it in the light with USB-C or keep another compatible battery ready if you need near-continuous runtime.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e50% charge in under 30 minutes, 80% in under 1 hour, full charge in 2 hours\u003c\/li\u003e \u003cli\u003eBattery status button helps you check charge before climbing or crawling into the work area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"tnincluded-wrapper\"\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Milwaukee REDLITHIUM USB Hard Hat Headlamp\u003c\/li\u003e\n\u003cli\u003e(1) REDLITHIUM USB 3.0Ah Battery\u003c\/li\u003e\n\u003cli\u003e(1) USB-C Charging Cable\u003c\/li\u003e\n\u003cli\u003e(4) Hard Hat Clips\u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003ctable class=\"aplusspecs\"\u003e\n\u003ctr\u003e\n\u003cth\u003eLumens\u003c\/th\u003e\n\u003ctd\u003e600 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Modes\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eCordless, REDLITHIUM USB Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCharge Time\u003c\/th\u003e\n\u003ctd\u003e50% in under 30 min; 80% in under 1 hr; full in 2 hrs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIngress Rating\u003c\/th\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrop Rating\u003c\/th\u003e\n\u003ctd\u003e6 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e0.33 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e4.05 in W x 2.12 in L x 1.34 in H\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"compat-list\"\u003e\n\u003cdiv class=\"compat-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/battery-capacity.svg\" alt=\"battery-capacity\" class=\"icon-sm\"\u003e\u003cdiv\u003e \u003cstrong\u003eBattery Platform\u003c\/strong\u003e \u003cdiv class=\"compat-detail\"\u003ePowered by the Milwaukee REDLITHIUM USB 3.0Ah battery platform.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compat-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/charger-included.svg\" alt=\"charger-included\" class=\"icon-sm\"\u003e\u003cdiv\u003e \u003cstrong\u003eCharging Interface\u003c\/strong\u003e \u003cdiv class=\"compat-detail\"\u003eCharges through USB-C using the included charging cable.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compat-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/handle.svg\" alt=\"handle\" class=\"icon-sm\"\u003e\u003cdiv\u003e \u003cstrong\u003eHelmet Use\u003c\/strong\u003e \u003cdiv class=\"compat-detail\"\u003eIncludes 4 hard hat clips and rubber grip for secure hard hat attachment.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"tags\"\u003e\n\u003cspan class=\"tag\"\u003eElectrical\u003c\/span\u003e\u003cspan class=\"tag\"\u003eConstruction\u003c\/span\u003e\u003cspan class=\"tag\"\u003eGeneral Contracting\u003c\/span\u003e\u003cspan class=\"tag\"\u003eMaintenance\u003c\/span\u003e\u003cspan class=\"tag\"\u003eInspection Work\u003c\/span\u003e\u003cspan class=\"tag\"\u003eService Calls\u003c\/span\u003e\u003cspan class=\"tag\"\u003eLow-Light Jobsite Work\u003c\/span\u003e\u003cspan class=\"tag\"\u003eHands-Free Lighting\u003c\/span\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"tip-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/led-light.svg\" alt=\"led-light\" class=\"icon-lg\"\u003e\u003cp class=\"tip-text\"\u003eUse flood mode for arm's-length work like panels and controls, then switch to spot mode when you need to look deeper into a ceiling cavity or equipment bay. It sounds simple, but using the right beam pattern makes the battery last longer and cuts eye strain.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-warranty\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"warranty-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/warranty.svg\" alt=\"warranty\" class=\"icon-sm\"\u003e\u003cdiv class=\"warranty-text\"\u003e Limited lifetime warranty on the light and a 2-year warranty on the REDLITHIUM USB 3.0Ah battery. \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e \u003ch3\u003eMilwaukee 2163-21 REDLITHIUM USB 600-Lumen Hard Hat Headlamp Gets the Important Stuff Right\u003c\/h3\u003e \u003cp\u003eThis is the kind of rechargeable headlamp that earns its keep fast if you wear a hard hat and work in dark mechanical, electrical, or service spaces.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Electricians, maintenance techs, inspectors, and contractors who need a true hard hat headlamp instead of a basic camping light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The mix of 600-lumen output, swappable REDLITHIUM USB battery, USB-C charging, and detachable light body makes it more practical on the job than most compact headlamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is built for focused task lighting and all-day wear, not for lighting an entire room like a large area light.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-faqs\" class=\"acc\"\u003e \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e \u003cdiv class=\"acc-body\"\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this headlamp rechargeable?\u003c\/strong\u003e Yes. It uses a Milwaukee REDLITHIUM USB 3.0Ah battery and charges through USB-C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many lighting modes does it have?\u003c\/strong\u003e It has 5 output modes: hybrid, flood high, flood low, spot high, and spot low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it rated for dust and water exposure?\u003c\/strong\u003e Yes. The light is rated IP54 for dust and water resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the light be removed from the hard hat mount?\u003c\/strong\u003e Yes. The headlamp is detachable, which makes charging and close-up task use easier.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":43570483757104,"sku":"2163-21","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4876\/8304\/files\/7v62txwu5wr8_8f70563b-e538-4178-aa50-9bbe99d1b622.jpg?v=1788580487","url":"https:\/\/toolnutus.com\/products\/milwaukee-2163-21-redlithium-usb-600-lumen-hardhat-headlamp-no5rwo","provider":"InoPrints","version":"1.0","type":"link"}