Sofirn SR15 4500 Lumen 510m Throw Rechargeable Flashlight

The Sofirn SR15 4500 Lumen 510m Throw Rechargeable Flashlight with 21700 Battery is a high-performance light designed for outdoor adventures, emergency situations, and tactical use, ideal for camping, hiking, and search operations. For example, its 4500-lumen output can illuminate a path up to 510 meters, ensuring exceptional visibility. With built-in USB-C charging, a side e-switch interface, and a durable build, it offers practical functionality. Featuring a 1-year warranty, this Sofirn SR15 for Outdoor Use suits outdoor enthusiasts, professionals, and tactical users.

Powerful Illumination for Outdoor Use

The Sofirn SR15 features four SFT-25R LEDs with a 6000-6500K color temperature, delivering a maximum output of 4500 lumens with a beam throw of 510 meters, powered by an included 21700 Li-ion battery (5000mAh). It offers multiple modes, controlled by a side e-switch, with the following lumen outputs and runtimes:

Turbo: 4500 lumens for approximately 1 minute (steps down after initial output)
High: 600 lumens for approximately 2 hours
Medium: 150 lumens for approximately 8 hours
Low: 1 lumen for approximately 50 hours
Stepless Dimming: Adjustable from 1 to 4500 lumens (runtime varies)
Strobe: 4500 lumens (runtime not specified)
SOS: 4500 lumens (runtime not specified)
Beacon: 4500 lumens (runtime not specified)
The flashlight charges via a built-in USB-C port, taking about 4 hours with a 5V/2A charger, and includes a power indicator (green for 70-100% power, red for 30-70%, flashing red for 1-30%) visible for 5 seconds after turning on. It has an IP68 waterproof rating, suitable for submersion up to 2 meters, and features a buck driver for stable output, though prolonged use on Turbo may generate significant heat, requiring careful handling. It also doubles as a power bank for charging external devices.
Durable and Compact Design

The Sofirn SR15 is constructed from AL6061-T6 aluminum alloy with a Type III hard-anodized finish, offering durability and corrosion resistance for rugged outdoor conditions like camping or tactical use. It measures 130mm in length with a head diameter of 40mm, weighing 128g without the battery (approximately 198g with the included 21700 battery), making it suitable for pocket or gear carry. The flashlight features a magnetic tailcap, a lanyard attachment point, and a crenelated bezel, though the tailcap's magnet strength may vary on uneven surfaces.

Designed for Outdoor and Tactical Use

The Sofirn SR15 4500 Lumen 510m Throw Rechargeable Flashlight with 21700 Battery for Outdoor Use is tailored for outdoor enthusiasts, professionals, and tactical users needing a reliable light for adventures, emergencies, or field operations. For example, its 510m throw is perfect for long-distance illumination, while the 50-hour low mode ensures extended runtime for prolonged tasks, though the side e-switch UI requires practice to cycle through stepped, stepless, and special modes (click for on/off, hold for dimming, double-click for strobe), and the buck driver may not sustain peak output due to heat management. The robust construction and IP68 rating enhance its reliability, but users should avoid direct eye exposure due to its intensity and rinse it with fresh water after use to maintain performance. The SR15's affordable price, included 21700 battery, and multi-functional design make it a practical choice for outdoor scenarios, offering a balance of power and convenience, though users should plan for heat management and charging logistics.

Package Dimensions and Weight

Package Width: 8.5 cm
Package Length: 15.0 cm
Packaged Height: 6.0 cm
Packaged Weight: 300g
Assembled Product Dimensions and Weight

Assembled Product Width: 4.0 cm
Assembled Product Length: 13.0 cm
Assembled Product Height: 4.0 cm
Key Features and Specs

The Sofirn SR15 4500 Lumen 510m Throw Rechargeable Flashlight with 21700 Battery is built for performance. It features four SFT-25R LEDs (6000-6500K) with a 4500-lumen output, 510m throw, multiple modes (Turbo, High, Medium, Low, Stepless Dimming, Strobe, SOS, Beacon), a 5000mAh 21700 battery (included) with up to 50 hours runtime on low, USB-C charging (about 4 hours with 5V/2A), IP68 waterproofing (up to 2 meters), a buck driver, reverse polarity protection, a side e-switch, a magnetic tailcap, and includes a lanyard, USB-C cable, and manual, with a 1-year warranty for reliability. Its dimensions of 130mm x 40mm and weight of approximately 198g (with battery) make it a practical choice for outdoor users. This flashlight excels for illuminating distant targets, close-up tasks, or emergencies during camping, hiking, or tactical use, providing reliable, versatile performance for various scenarios.

Specifications Overview

Type: Rechargeable Flashlight
Purpose: Outdoor Adventures, Emergency Situations, Tactical Use
LED: 4x SFT-25R (6000-6500K)
Output: Up to 4500 Lumens
Beam Throw: 510m
Modes: Turbo, High, Medium, Low, Stepless Dimming, Strobe, SOS, Beacon
Runtimes:
Turbo: 4500 lumens for approximately 1 minute (steps down after)
High: 600 lumens for approximately 2 hours
Medium: 150 lumens for approximately 8 hours
Low: 1 lumen for approximately 50 hours
Battery: 1x 5000mAh 21700 Li-ion (Included)
Charging: USB-C (about 4 hours with 5V/2A)
Waterproof: IP68 (Up to 2 Meters)
Impact Resistance: Not specified
Dimensions: 130mm (Length) x 40mm (Head Diameter)
Weight: 128g (Without Battery), Approximately 198g (With Battery)
Warranty: 1 Year
Package Contents

The package includes:

Sofirn SR15 Flashlight
1x 5000mAh 21700 Li-ion Battery
Lanyard
USB-C Cable
User Manual
Note: Ensure the flashlight is turned off or locked (fast four clicks to activate lockout mode) after use to prevent accidental activation, which could drain the battery; the side e-switch can be sensitive. Use the included 21700 battery with proper polarity (positive terminal toward the head), and remove the insulating disc before first use or charging. The IP68 rating supports submersion up to 2 meters but is not suitable for diving; avoid prolonged submersion. Handle with care during Turbo mode to avoid burns due to heat buildup, and do not shine the light directly into eyes due to its intensity. Store in a dry place to maintain reliability, and use a 5V/2A charger (not included) for optimal charging.

What's in the box
1 X Sofirn SR15 Flashlight