Sofirn HS41 Headlamp 4000lm 4K USB C Rechargeable SST20 Led

Sofirn HS41 Headlamp: 4000 lumens of precision illumination from a compact, USB-C rechargeable platform engineered for demanding outdoor use and night work alike.

• Quad SST-20 LED glow: Four LUMINUS SST-20 LEDs deliver a bright, uniform beam with punchy center intensity and reliable flood coverage for close tasks and wide-area visibility.
• Dual-beam versatility: Spotlight beam at 25° focuses your task area while the 96° flood provides broad ambient light, so you can switch from detail work to campsite lighting without shifting your angle.
• Impressive reach, with practical run-time: Up to 4000 lumens on high mode for immediate clarity, then tapering down throughMedium and Low to extend runtime when the situation calls for patience.
• Powerful, easy charging: USB-C fast charging (5V 3A) with a maximum charging current of 3A. Type-A to Type-C input keeps compatibility broad and charging quick, so you’re ready to go again sooner.
• Ready to go, right out of the box: Includes 1x 21700 Li-ion battery, so you can drive brightness without hunting for a pack. Working voltage 2.7V–4.2V ensures stable performance across the battery’s life.
• Smart battery status at a glance: When you turn on the HS41, a Battery Level Indicator provides a 5-second readout—Green means 70–100% remaining, Red indicates 30–69%, and flashing Red warns of sub-30% and the need to recharge or replace the cell.
• Durable, compact build: Encased in a6061-T6 aluminum alloy for rugged durability, with IP68 waterproofing to stand up to rain, dust, and immersion. Lightweight at 79 g (without battery), and precisely sized at 30.1 × 29 × 115 mm for long-wear comfort.
• Simple controls, flexible power modes: High, Medium, and Low switch modes let you tailor brightness to the task, preserving battery life without sacrificing visibility.

Designed for trail runners, campers, mechanics, and emergency responders, the HS41 blends serious illumination with a lightweight, rugged form. Whether you’re navigating a dark forest, working on a repair under the hood, or setting up a camp after dusk, this headlamp keeps light steady, reliable, and easy to manage—without fuss.