{"product_id":"nitecore-nu21-outdoor-rechargeable-headlamp-white-360-lumens-ultra-light-44g","title":"Nitecore NU21 Ultralight Rechargeable Headlamp, White, 360 Lumens, 44 g, USB-C with Red Light Mode","description":"\u003cp\u003e\u003cstrong\u003eThe Nitecore NU21 is an ultra-lightweight, USB-C rechargeable headlamp that puts out up to 360 lumens of soft, uniform white light for night running, route finding, and hands-free outdoor tasks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned to balance output, comfort, and portability, the NU21 updates Nitecore's NU Series with a slim housing, a unibody optical lens for even beam distribution, and a built-in 500mAh battery. At just 44 grams (1.55 oz) it slips into a pocket or clips onto a pack, while the reflective, glow-in-the-dark headband improves visibility to others. A red beam mode, one-handed operation, and USB-C charging make it a compact, modern choice for people who need reliable illumination without bulk.\u003c\/p\u003e\n\n\u003ch3\u003eHow bright is the Nitecore NU21 and what does its beam look like?\u003c\/h3\u003e\n\u003cp\u003eThe NU21 produces a maximum of 360 lumens via high-performance LEDs and a unibody optical lens that emphasizes smooth, even lighting rather than a harsh hotspot. That design helps reduce eye strain and creates a forgiving flood for close-to-moderate distances — ideal for running trails, campsite tasks, or map reading.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePeak output: 360 lumens for short bursts or higher-visibility situations.\u003c\/li\u003e\n  \u003cli\u003eSoft, even flood beam for comfortable near-field illumination.\u003c\/li\u003e\n  \u003cli\u003eRed light mode for low-light map reading, night vision preservation, and signaling.\u003c\/li\u003e\n  \u003cli\u003eUnibody lens with \u0026gt;94% light transmission ensures efficient light use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the battery, charging, and power-management features?\u003c\/h3\u003e\n\u003cp\u003eThe NU21 houses a 500mAh Li-ion cell and recharges via a USB-C port for fast, reversible connections and broad charger compatibility. It offers cycle charging that reduces single-use battery waste and a lockout mode to prevent accidental activation during transport.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in 500mAh rechargeable battery — no AAA needed.\u003c\/li\u003e\n  \u003cli\u003eUSB-C input supports convenient, modern charging setups.\u003c\/li\u003e\n  \u003cli\u003eBattery level indicator and simple one-handed controls for quick checks.\u003c\/li\u003e\n  \u003cli\u003eLockout mode prevents unintended power drain in bags or pockets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the NU21 perform for runners and other outdoor users?\u003c\/h3\u003e\n\u003cp\u003eAt 44g, the NU21 is engineered to be barely noticeable on a headband or hat, making it suited to activities where weight and balance matter. The headband is lightweight, reflective, and partially glow-in-the-dark to improve visibility to road users and fellow trail-goers, while the red LED expands its use cases beyond simple white illumination.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-light 44g weight minimizes bounce and neck strain during movement.\u003c\/li\u003e\n  \u003cli\u003eReflective and glow-in-the-dark headband increases on-route visibility.\u003c\/li\u003e\n  \u003cli\u003eRed beam option for map reading, signaling, and night-friendly tasks.\u003c\/li\u003e\n  \u003cli\u003eCompact footprint fits in pockets, belt packs, or small gear pouches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is the NU21 to operate and maintain?\u003c\/h3\u003e\n\u003cp\u003eThe NU21 emphasizes simplicity: one-hand operation changes modes and checks battery status, while the durable lens and sealed housing keep maintenance minimal. USB-C charging removes the need to carry spare disposables, and the headlamp’s construction is made for everyday outdoor use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle-button control for quick, intuitive operation.\u003c\/li\u003e\n  \u003cli\u003eDurable unibody optical lens resists misalignment and simplifies cleaning.\u003c\/li\u003e\n  \u003cli\u003eUSB-C charging reduces reliance on disposable batteries over time.\u003c\/li\u003e\n  \u003cli\u003eLockout feature protects against accidental activation during travel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: the Nitecore NU21 is a smart pick for runners, hikers, commuters, and outdoor enthusiasts who want a lightweight, rechargeable headlamp that prioritizes even, comfortable illumination and low carry weight. It also suits anyone replacing disposable battery headlamps who prefers a compact USB-C rechargeable solution with added safety features like reflective bands and a lockout mode.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the NU21 run on a single charge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Run time varies by mode; lower-power settings provide many hours, while the 360-lumen peak is for shorter periods. Check the product manual for mode-specific durations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace the battery in the NU21?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the NU21 uses a built-in 500mAh rechargeable Li-ion battery and is not designed for user replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nitecore","offers":[{"title":"Default Title","offer_id":48197833982113,"sku":"B0C77J4L7D","price":82.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/nitecore-nu21-front-view.jpg?v=1792761225","url":"https:\/\/canadiansporting.ca\/products\/nitecore-nu21-outdoor-rechargeable-headlamp-white-360-lumens-ultra-light-44g","provider":"Canadian Sporting","version":"1.0","type":"link"}