Ultrafire U5 300lm flashlight review: Pros and Cons
The Ultrafire U5 flashlight 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.
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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
Brand | Ultrafire |
---|---|
Name | U5 |
Type | U5 |
Rating | |
Launch | 2017 |
Form | flashlight |
This flashlight can fit in pockets, backpacks, or glove compartments. You can carry it wherever you go.
Body, materials, weight, colors
Weight | 75 g |
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Length | 105 mm |
Body diameter | 21 mm |
Head diameter | 30 mm |
Material | aluminium alloy with HAIII hard-anodized finish |
Colors | black |
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.
System, LED, lens, reflector
Emitter | 1 x Cree XP-E LED |
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Color temperature | 6500 K |
Reflector | no |
Lens | convex |
Switch | mechanical 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.
Performance, flux, intensity, throw
Flux | 300 lm |
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Intensity | 5625 cd |
Throw | 150 m |
CD/LM factor | 18.75 |
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
Modes | 2 modes |
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Mode memory | no |
Ramping mode | no |
Strobe | yes |
SOS/Beacon | no |
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
Battery | 1 x 14500 Li-Ion or 1 x AA NiMH battery |
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Battery indicator | no |
Charger port | no |
LVP | no |
Thermal regulation | no |
Protection | IP65 |
AUX LEDs | no |
Magnetic | no |
Specials | zoomable |
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 contents | 3 x spare o-rings |
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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
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