Ultrafire U5 300lm In-depth review, Pros and Cons
The Ultrafire U5 (U5) 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.
The U5 flashlight is an indispensable tool in various situations, from everyday tasks and outdoor adventures to emergency preparedness and professional use. This light has 2 modes of lighting. This flashlight does not have memory function. The strobe function can be utilized as a self-defense tool, providing a non-lethal means to deter or disorient attackers
Ultrafire U5 (U5) pictures
The specifications below are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Ultrafire U5, then don’t hesite and signal the problem to us.
Ultrafire U5 (U5) specifications
Flashlights are compact and lightweight, making them highly portable. They can easily fit into pockets, backpacks, or glove compartments, allowing you to carry them wherever you go.
|Body diameter||21 mm|
|Head diameter||30 mm|
|Material||aluminium alloy with HAIII hard-anodized finish|
This 75 g flashlight would generally be considered 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. A longer flashlight may provide a more substantial grip, making it easier to hold and control, especially if you have larger hands. Aluminium body of U5 is known for its durability and strength. It offers excellent resistance to impacts, scratches, and corrosion, making it suitable for rugged outdoor use or in demanding environments.
HAIII coating is widely used in the flashlight industry due to its durability, corrosion resistance, improved grip, and aesthetic appeal. The U5 flashlight is available in black.
|Emitter||1 x Cree XP-E LED|
|Color temperature||6500 K|
Cree is widely regarded as a reputable LED manufacturer and has a track record of delivering high-quality and innovative lighting solutions. Warm white light is generally considered more comfortable and less harsh on the eyes compared to cool white light. The U5 has mechanical switch. Mechanical switches are known for their durability and reliability. They are typically built with robust construction, making them resistant to wear and tear, and capable of enduring various environmental conditions. With a rear switch of U5 flashlight, the operation of the flashlight is often straightforward and easy to grasp. A simple press or click of the rear switch turns the flashlight on or off, eliminating the need for complex button combinations or multi-step processes.
300 lm can provide a decent amount of brightness and be suitable for many everyday tasks, it may not be sufficient for certain scenarios or individuals with specific requirements. With 5625 cd, the U5 flashlight provides a noticeably brighter and more intense beam of light. It can illuminate objects or areas with greater clarity and visibility, even at longer distances. The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The cd/lm factor (candela-to-lumen ratio) provides information about how concentrated or focused the light output of a light source is. A higher cd/lm ratio indicates that the light is more concentrated in a specific direction, while a lower ratio indicates a more diffused or spread-out light output.
Modes on a flashlight refer to different output settings or levels of brightness that can be selected to suit different needs and preferences. The strobe function on the U5 flashlight is a feature that produces a rapid and repetitive flashing of light. It is designed to create a disorienting or attention-grabbing effect.
|Battery||1 x 14500 Li-Ion or 1 x AA NiMH battery|
The power source of the U5 flashlight is 1 x 14500 Li-Ion or 1 x AA NiMH battery, providing reliable and long-lasting energy for optimal performance. The U5 cannot charge batteries directly. You may need an external charger to keep your battery going. A protected battery is recommended as the light itself does not have low voltage protection (LVP). Flashlights without thermal protection may be more susceptible to overheating under extreme conditions, such as prolonged high-output use or exposure to high ambient temperatures.
The "6" in the IP65 rating represents the level of protection against solid objects, specifically dust and foreign particles. It indicates that the U5 flashlight, is fully protected against the entry of dust and other solid objects. The IP65 rating indicates that the U5 flashlight has a protection against water jets.
|Package contents||3 x spare o-rings|
Having spare O-rings allows you to replace them as needed, ensuring that the flashlight maintains its water-tight seal and remains protected from moisture or water ingress.
The performance of the Ultrafire U5 flashlight is measured according to the ANSI / NEMA FL1 Standard 30 seconds after switching the light on. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.
Ultrafire U5 (U5) comparisons
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