FlashlightChart.com
Ultrafire

Ultrafire U5 flashlight review

1 x Cree XP-E LED
300 lm output
5625 cd intensity
1 x 14500 Li-Ion or 1 x AA NiMH battery

The Ultrafire U5 flashlight was released in 2017. It uses 1 x Cree XP-E LED, no reflector and 1 x 14500 Li-Ion or 1 x AA NiMH battery. The powerful emitter in this flashlight provides up to 300 lm output, 5625 cd intensity, and a beam distance of 150 m.

Wondering if this Ultrafire flashlight is awesome? Stick around until the end of our article!

Table of Contents

  • Ultrafire U5 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. If you found an error or something lacking in the specifications for the Ultrafire U5, then tell us.

Ultrafire U5 / U5

The U5 flashlight is a key tool in many situations. It's used for everyday tasks, outdoor adventures, emergencies, and professional work. This light has 2 modes of lighting. This flashlight does not have memory function. You can use the strobe function as a self-defense tool. It provides a non-lethal way to deter or disorient attackers.

Ultrafire U5 specifications

BrandUltrafire
NameU5
TypeU5
Rating
Rated 3 / 5 based on 1425 user votes.
Launch2017
Formflashlight

This flashlight can fit in pockets, backpacks, or glove compartments. You can carry it wherever you go.

Ultrafire U5 / 3

Body, materials, weight, colors

Weight75 g
Length105 mm
Body diameter21 mm
Head diameter30 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack

The flashlight weighs 75 g. It is lightweight and easy to handle for most people. The length of a flashlight can affect how it feels in your hand and how you can grip and maneuver it. The aluminium body of the U5 has a reputation for being durable and strong. It offers excellent resistance to impacts, scratches, and corrosion. Flashlight makers widely use HAIII coating. It is durable, resists corrosion, and improves grip. It also looks good. The U5 flashlight is available in black.

Ultrafire U5 / 1

System, LED, lens, reflector

Emitter1 x Cree XP-E LED
Color temperature6500 K
Reflectorno
Lensconvex
Switchmechanical rear

Cree is widely regarded as a reputable LED manufacturer. Warm, white light is generally more comfortable. It's also less harsh on the eyes than cool, white light. Mechanical switches are usually robust. They resist wear and tear and work in many environments. The rear switch of the U5 is rugged and durable. It can withstand harsh conditions and repeated use.

Ultrafire U5 / 2

Performance, flux, intensity, throw

Flux300 lm
Intensity5625 cd
Throw150 m
CD/LM factor18.75

300 lm can provide a decent amount of brightness and be suitable for many everyday tasks. The U5 flashlight has 5625 cd. It provides a much brighter and more intense beam. The throw is the distance in meters at which the flashlight produces a light intensity of 0.25 lux. Candela per lumen (cd/lm) measures a flashlight's beam intensity. It compares this to its total luminous flux or output.

Software, user interface, modes

Modes2 modes
Mode memoryno
Ramping modeno
Strobeyes
SOS/Beaconno

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences. You can use Strobe for signaling purposes. It can also be used for self-defense or to attract attention in emergency situations.

Features, battery, protections

Battery1 x 14500 Li-Ion or 1 x AA NiMH battery
Battery indicatorno
Charger portno
LVPno
Thermal regulationno
ProtectionIP65
AUX LEDsno
Magneticno
Specialszoomable

The U5 flashlight's power source is 1 x 14500 Li-Ion or 1 x AA NiMH battery. It provides reliable, long-lasting energy for top performance. The U5 cannot charge batteries. You may need an external charger to keep your battery going. Use a protected battery. This flashlight lacks low voltage protection (LVP). This light does not have temperature control feature. The "6" in the IP65 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The IP65 rating indicates that the flashlight has a protection against water jets.

Accessories, package contents

Package contents3 x spare o-rings

When using spare O-rings, follow the maker's instructions. Use their guidelines for proper installation.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the U5 flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

Conclusion, pros and cons

This Ultrafire 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.

Pros

  • lightweight
  • aluminium body
  • tactical switch
  • multiple modes
  • tactical strobe
  • dust protected
  • waterproof

Cons

  • cool light
  • convex lens
  • moderated performance
  • no mode memory
  • no battery indicator
  • no built-in charger
  • no LVP
  • no thermal regulation
  • no auxiliary LEDs
  • non-magnetic
  • zoomable

Photos

Ultrafire U5 / U5 photo 1.
Ultrafire U5 / U5 photo 2.
Ultrafire U5 / U5 photo 3.
Ultrafire U5 / U5 photo 4.
Ultrafire U5 / U5

If there’s information about the Ultrafire U5 that you would like to see on this site, then write to us.

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.
FlashlightChart.com / Flashlights / Ultrafire / Ultrafire U5 (2017)