Utorch S1 Mini flashlight review

600 lm output
625 cd intensity
1 x 16340 Li-Ion battery

The Utorch S1 Mini flashlight was released in 2018. It uses Cree XP-L HD LED, no reflector and 1 x 16340 Li-Ion battery. The powerful emitter in this flashlight provides up to 600 lm output, 625 cd intensity, and a beam distance of 50 m.

Interested to see if this Utorch flashlight is a hit? Find out soon!

Table of Contents

  • Utorch S1 Mini specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
  • Conclusion, pros and cons
  • Photos

The content of this article reflects our own experiences and viewpoints. We aim to offer insights on a topic, and we hope others find it helpful and motivating. Additionally, we make every effort to provide accurate and comprehensive coverage.

Utorch S1 Mini / S1MINI

The S1 Mini flashlight offers a versatile lighting solution. This light has 4 modes of lighting. The S1 Mini flashlight recalls the last used mode. You can use the strobe function as a self-defense tool.

Utorch S1 Mini specifications

NameS1 Mini
Rated 4 / 5 based on 1484 user votes.

Flashlights let you navigate in the dark. They help you find supplies and signal for help.

Utorch S1 Mini / 4

Body, materials, weight, colors

Weight28 g
Length59.4 mm
Body diameter19.9 mm
Head diameter20.6 mm
Materialaluminium alloy with HAIII hard-anodized finish

The 28 g flashlight may not provide the same level of brightness or features as larger models. The best flashlight size depends on personal preference. The aluminium body of the S1 Mini has excellent thermal conductivity. The HAIII coating is often matte or textured. This flashlight features a captivating black color.

Utorch S1 Mini / 1

System, LED, lens, reflector

EmitterCree XP-L HD LED
Color temperature5000 K, 6500 K
Switchelectronic side

Cree is widely regarded as a reputable LED manufacturer. Warm, white light is generally more comfortable. The electronic switches may have a higher chance of standby drain.

Utorch S1 Mini / 5

Performance, flux, intensity, throw

Flux600 lm
Intensity625 cd
Throw50 m
CD/LM factor1.04

You mainly need a flashlight for basic tasks like finding keys or navigating in dimly lit areas, 600 lm can be enough. 625 cd can make things quite bright. It's enough for many everyday tasks. The throw distance is the farthest distance the flashlight can light an object. Candela per lumen (cd/lm) measures a flashlight's beam intensity.

Utorch S1 Mini / 3

Software, user interface, modes

Modes4 modes
Mode memoryyes
Ramping modeno

A flashlight's modes are different output settings or brightness levels. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The S1 Mini flashlight has a strobe function, it produces a rapid, repetitive flashing of light. The SOS signal is commonly used in outdoor adventures or survival scenarios.

Utorch S1 Mini / 2

Features, battery, protections

Battery1 x 16340 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationyes

The S1 Mini flashlight's power source is 1 x 16340 Li-Ion battery. The S1 Mini doesn't have charger port. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating. The flashlight has an IPx8 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period.

Accessories, package contents

Package contents2 x spare o-rings
RCR123A battery with microUSB

The included battery is picked to match the power needs of the S1 Mini flashlight. When you clip the flashlight to a good spot, you can angle or position it. When using spare O-rings, follow the maker's instructions.

Conclusion, pros and cons

This Utorch flashlight, like any other, has its strengths and weaknesses. Let's take a close look at both sides to understand this flashlight better. I share my thoughts on its standout features and the parts that might need improvement. Keep in mind, these are just my opinions, and you might have a different perspective.


  • lightweight
  • aluminium body
  • warm light
  • side switch
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • low-voltage protection
  • thermal regulation
  • waterproof
  • battery included
  • clip


  • convex lens
  • moderated performance
  • low intensity
  • no battery indicator
  • no built-in charger
  • no auxiliary LEDs
  • non-magnetic


Utorch S1 Mini / S1MINI photo 1.
Utorch S1 Mini / S1MINI photo 2.
Utorch S1 Mini / S1MINI photo 3.
Utorch S1 Mini / S1MINI photo 4.
Utorch S1 Mini / S1MINI photo 5.
Utorch S1 Mini / S1MINI photo 6.
Utorch S1 Mini / S1MINI

If there’s information about the Utorch S1 Mini that you would like to see on this site, then write to us.

Updated: April 23, 2024

David Hagon
I love bushcraft and flashlights. I find joy in mastering wilderness survival skills and exploring the realm of illuminating gadgets. Bushcraft isn't just fun, it's a learning journey. I form a strong bond with nature. It's more than a hobby, it enriches me in practical and spiritual ways.