The 'Trailblazer' Professional Headlamp | Fenix HP35R 4000-Lumen Dual-Source Separation-Style Rechargeable Field Headlamp

The Experience

4000 lumens of hands-free illumination from Fenix's most powerful headlamp — and the engineering to back it up. The Trailblazer is the Fenix HP35R, a professional-grade separation-style headlamp that splits the optical system from the power system for a reason. The headlamp unit — housing a neutral white XHP70 spotlight and dual warm white Luminus SST20 floodlight LEDs — rides at the front. The quick-release battery case — housing two built-in 5000mAh batteries, a rear-facing red safety light, and a USB-C power bank port — rides at the back of the head, balancing the weight distribution that makes sustained headlamp use genuinely comfortable over hours of active field work. A glove-friendly rotary switch cycles between spotlight, floodlight, and combined modes. A center electronic button selects from four brightness levels within each mode. Twelve total modes. 500-hour maximum runtime. IP66 waterproofing. 2-meter drop resistance. And a warm white floodlight with high color rendering that makes The Trailblazer as useful for close-range property inspection and wildlife identification as it is for scanning terrain at 1,476 feet. This is the headlamp for the serious estate steward and field professional who needs the most capable hands-free instrument Fenix produces.

Scientific Engineering

• Separation-Style Design — Balanced Weight Distribution: The HP35R separates the optical headlamp unit from the battery case — mounting each on opposite sides of the head for balanced front-to-back weight distribution. The battery case quick-releases from the headband for pocket carry via the included extension cable, allowing the headlamp to operate with the power source off the head entirely when weight reduction is the priority.
• Triple LED System — Spotlight + Warm White Floodlight:
  • XHP70 Neutral White Spotlight: The primary center LED delivers a maximum 3,000-lumen focused spotlight reaching 1,476 feet — sufficient for long-range terrain navigation, property boundary scanning, and nocturnal wildlife observation at serious distances.
  • 2x Luminus SST20 Warm White Floodlight: Two side-mounted LEDs produce a warm white (3,000–4,500K) wide-area floodlight with high color rendering index — making The Trailblazer equally capable for close-range property inspection, wildlife identification, map reading, and any task where color accuracy matters alongside raw output.
• 4,000-Lumen Combined Maximum Output: Running spotlight and floodlight simultaneously produces a combined maximum output of 4,000 lumens — the highest combined output available in a Fenix headlamp — with a near 500-yard throw and broad area coverage simultaneously.
• 12 Total Modes — 4 Per Mode:
  • Spotlight: Turbo (3,000 lm) / High / Medium / Low
  • Floodlight: Turbo (1,200 lm) / High / Medium / Low
  • Combined: Turbo (4,000 lm) / High / Medium / Low
• Glove-Friendly Rotary + Electronic Switch: A large rotary switch cycles between spotlight, floodlight, and combined modes — operable with gloves in cold field conditions. The center electronic switch selects brightness levels within the active mode without returning to the mode selector.
• Intelligent Proximity Downshift: An automatic sensor detects when the headlamp is in close proximity to a surface and reduces output — protecting the LED array from heat buildup during close-range inspection work and preventing the disorienting flare-back that high-output headlamps produce when aimed at near surfaces.
• Quick-Release Battery Case with Red Safety Light: The rear battery case detaches instantly from the headband bracket — enabling pocket carry via the included extension cable for reduced head weight during active operations. Built into the battery case are red LEDs that activate independently via the case-mounted button for rear-facing position marking and night vision preservation.
• Dual 5,000mAh Built-In Battery Pack — 10,000mAh Total: Two built-in 5,000mAh lithium-ion batteries provide a combined 10,000mAh of total capacity — supporting 500 hours of maximum runtime at low output and meaningful Turbo output across extended field sessions. The battery case is not field-removable but recharges via USB-C without removal from the headband.
• Power Bank Function: A USB-C output port on the battery case charges phones, GPS units, and other field devices directly from the dual battery reserve — a meaningful capability for the estate steward operating at extended distance from grid power.
• USB-C Fast Charging: Full recharge in approximately 2 hours via USB-C with PD3.0/PD2.0 fast charging support — the fastest recharge time in the Fenix headlamp lineup.
• Perforated Blackout Headband: The standard HP35R includes a ventilated perforated blackout headband — low-profile, breathable, and compatible with the Fenix ALG-03 V2.0 helmet mount and ALG-04 helmet clip for hard hat integration when needed.
• Intelligent Memory Circuit: The headlamp recalls the last used output level in each mode — returning to the previously used brightness on every subsequent activation without requiring mode cycling from a default setting.
• IP66 Waterproof Rating: Protected against powerful water jets from any direction — field-rated for rain, trail conditions, and active outdoor use in demanding weather environments.
• 2-Meter Drop Resistance: Drop-tested from 2 meters onto hard surfaces — the highest drop resistance rating in the Fenix headlamp lineup.

Boutique & Conservation Values

• Warm White Field Advantage: The Luminus SST20 floodlight LEDs produce warm white light with high color rendering — meaning colors and visual details appear closer to natural daylight than the cool blue-white output of standard LED headlamps. For wildlife identification, property inspection, plant and fungi observation, and any close-range field work where distinguishing subtle color differences matters, warm white is a meaningful practical advantage.
• Separation-Style Comfort for Extended Field Operations: The balanced front-to-back weight distribution of the separation-style design makes The Trailblazer comfortable across the multi-hour field sessions that serious estate stewardship and nocturnal wildlife observation actually require — where headlamp fatigue becomes a real factor that affects field effectiveness.
• Red Safety Light for Nocturnal Awareness: The rear-facing red LEDs on the battery case provide passive position marking for the field professional operating in low-visibility conditions — signaling location to others without compromising the wearer's forward night vision.
• Fenix Limited Lifetime Warranty: Every Trailblazer is backed by Fenix's Limited Lifetime Warranty — 15-day replacement for manufacturing defects, 5-year free repair for normal use issues, and lifetime limited warranty coverage beyond that.

Specifications

• Maximum Output: 4,000 lumens (combined Turbo)
• Maximum Beam Distance: 1,476 ft. (450 m)
• Light Sources: 1x Cree XHP70 neutral white (spotlight) + 2x Luminus SST20 warm white (floodlight)
• LED Lifespan: 50,000 hours each
• Color Temperature: 3,000K–4,500K (warm white floodlight) / neutral white spotlight
• Lighting Modes: 12 total — 4 spotlight + 4 floodlight + 4 combined
• Maximum Runtime: 500 hours (Low output)
• Battery: Dual built-in 5,000mAh Li-ion (10,000mAh total, USB-C rechargeable)
• Charging: USB-C fast charge, ~2 hours to full (PD3.0/PD2.0 supported)
• Power Bank: USB-C output on battery case
• Rear Safety Light: Red LED steady + flash (battery case mounted)
• Headlamp Dimensions: 3.70" x 1.92" x 2.26"
• Battery Case Dimensions: 3.75" x 1.57" x 2.11"
• Weight: 15.27 oz. (including battery and headband)
• Waterproof Rating: IP66
• Drop Resistance: 2 m (6.6 ft.)
• Construction: A6061-T6 Aluminum headlamp body, HAIII hard-anodized finish
• Headband: Perforated blackout nylon (helmet compatible via ALG-03 V2.0 / ALG-04)
• Includes: HP35R headlamp, battery case, perforated blackout headband, USB-C charging cable, extension cable, cable clips, spare O-ring
• Warranty: Fenix Limited Lifetime Warranty
• Shipping Weight: ≈2 lbs.