Sofirn HS41 Headlamp 4000 Lumen USB C Rechargeable SST20

Light the way with precision and power—the Sofirn HS41 Headlamp packs 4000 lumens into a compact, USB-C rechargeable package.

• 4x LUMINUS SST-20 LEDs deliver up to 4000 lumens of bright, evenly distributed light, with a precise 25° spot and 96° flood for focused tasks and broad-area visibility.
• Powered by a single 21700 cell (included) and USB-C charging up to 3A, with standby drain under 130 µA to stay ready when you are.
• Rugged, compact aluminum body (A6061-T6), IP68 waterproof, about 79 g without the battery, and dimensions 30.1 × 29 × 115 mm for comfortable carry.
• Smart battery indicator displays status for 5 seconds on startup—green (70–100%), red (30–69%), or flashing red (<30%), helping you plan recharges without guesswork.