Sofirn HS41 Headlamp 4000 Lumen USB C Rechargeable 21700 Battery SST20 LED Torch Indicator Magnetic Tail Flashlight

Experience extreme brightness and dependable durability with the Sofirn HS41 Headlamp, a USB-C rechargeable torch that delivers up to 4000 lumens from four SST-20 LEDs. Designed for outdoor adventures, work sites, and emergency preparedness, this headlamp pairs powerful illumination with versatile beam control and smart power features. It runs on a single 21700 battery (included), keeping you going longer without frequent replacements, and its rugged build ensures it stands up to the elements.

Key Features

• High-brightness lighting: 4x LUMINUS SST-20 LEDs deliver up to 4000 lumens for wide-area visibility and focused beam options.
• USB-C rechargeable: Type-C input with 5V 3A charging and a maximum charging current of 3A for fast, convenient recharging.
• Battery and runtime: 1x 21700 rechargeable battery included; working voltage 2.7V–4.2V for efficient performance.
• Build and durability: Aircraft-grade A6061-T6 aluminum alloy body combines lightweight design with rugged reliability.
• Waterproof and rugged: IP68 waterproof rating protects against dust and submersion in challenging environments.
• Compact and lightweight: Dimensions 30.1 × 29 × 115 mm and weight 79 g (without battery) for comfortable all-day wear.
• Beam versatility: Dual-beam system with 25° spot and 96° flood to cover both distant targets and close-up work.
• Smart power indicator: Battery Level Indicator shows status for 5 seconds after startup — Green (70–100%), Red (30–69%), Flashing Red (<30%).
• Standby efficiency: Ultra-low standby drain ≤ 130 µA to conserve power when not in use.

Performance and Design

The HS41 is built to withstand the rigors of real-world use. Its robust aluminum chassis, precise heat management, and reliable SST-20 LEDs ensure you get bright, consistent illumination in any situation. The integrated USB-C charging makes top-ups quick and easy, so you spend less time plugged in and more time exploring, working, or responding to the task at hand.

Battery and Indicators

With an included 21700 battery, you have dependable, long-lasting power at your fingertips. The intuitive battery level indicator provides a clear at-a-glance readout, helping you plan recharges before the next adventure. The indicator communicates battery health with color cues to prevent surprise power loss when you need light most.

What's in the Box

• 1x Sofirn HS41 Headlamp
• 1x 21700 rechargeable battery (included)

Choose the Sofirn HS41 for a reliable, high-performance headlamp that blends power, efficiency, and durability. Perfect for hiking, cycling, search-and-rescue, camping, and everyday tasks where dependable light matters.