Lumintop FW4A SST20 2100lm In-depth review, Pros and Cons
The Lumintop FW4A SST20 (FW4ASST20) released in 2020. It uses 4 x Luminus SST20 LEDs, TIR reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 2100 lm output, 5625 cd intensity, and a beam distance of 150 m.
The FW4A SST20 flashlight is an indispensable tool in various situations, from everyday tasks and outdoor adventures to emergency preparedness and professional use. It uses a TIR lens to form the beam pattern. The mode memory of FW4A SST20 eliminates the need to cycle through different modes every time you turn on the flashlight, providing convenience and saving time. The strobe function can be utilized as a self-defense tool, providing a non-lethal means to deter or disorient attackers
Lumintop FW4A SST20 (FW4ASST20) 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 Lumintop FW4A SST20, then don’t hesite and signal the problem to us.
Lumintop FW4A SST20 (FW4ASST20) specifications
The FW4A SST20 flashlight enhances safety by illuminating potential hazards and improving visibility in low-light conditions.
|Body diameter||24.5 mm|
|Head diameter||28.5 mm|
|Material||aluminium alloy with HAIII hard-anodized finish|
This 63 g flashlight would generally be considered lightweight and easy to handle for most people. The length of a flashlight can also impact its balance and weight distribution. A well-balanced flashlight, where the weight is evenly distributed, can be more comfortable to hold for longer periods and reduce hand fatigue. Aluminium body of FW4A SST20 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 choice of flashlight body color can be influenced by factors such as intended use, environment, personal style, and functional requirements.
|Emitter||4 x Luminus SST20 LEDs|
|Color temperature||4000 K|
Luminus has established a positive reputation as a reliable LED manufacturer, and their products are widely used and trusted by lighting professionals and enthusiasts alike. Warm white light is generally considered more comfortable and less harsh on the eyes compared to cool white light. A TIR lens works on the principle of total internal reflection. The TIR lens collimates the LED light into efficient, well-controlled light beams that maximize the usable lumens in the target area.
The FW4A SST20 has electronic switch. The electronic switches may have a higher likelihood of standby drain compared to mechanical switches since they require a small amount of power for operation. The placement of the rear switch at the end of the FW4A SST20 flashlight facilitates a secure forward grip. This grip allows for better control and handling of the flashlight, especially in situations where precision and stability are important.
With 2100 lm, the FW4A SST20 flashlight will offer a brighter and more powerful beam of light. This higher output can be advantageous in various situations where you require enhanced visibility or need to illuminate larger areas. With 5625 cd, the FW4A SST20 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.
If accurate color representation is a priority for your specific needs, a flashlight with a CRI of 90 or above is highly recommended. The FW4A SST20 flashlight with a CRI of 95 has exceptional color rendering. CRI of 95 indicates an extremely high level of color accuracy, providing a near-perfect representation of colors.
Anduril software offers various output modes, including multiple brightness levels, strobe modes, beacon modes, and more. Users can easily cycle through these modes or customize the behavior according to their preferences. The FW4A SST20 has mode memory. Mode memory means that the flashlight will remember the mode you were using when the light was last turned off, and when you turn it on again. The ramping mode of the FW4A SST20 is intuitive, and lets you seamlessly ramp the output up and down over almost the entire output range.
The strobe function on the FW4A SST20 flashlight is a feature that produces a rapid and repetitive flashing of light. It is designed to create a disorienting or attention-grabbing effect. The FW4A SST20 has an SOS signal mode. The SOS code consists of three short signals, followed by three long signals, and then three short signals again.
|Battery||1 x 18650 Li-Ion battery|
The power source of the FW4A SST20 flashlight is 1 x 18650 Li-Ion battery, providing reliable and long-lasting energy for optimal performance. The FW4A SST20 cannot charge batteries directly. You may need an external charger to keep your battery going. When the FW4A SST20 flashlight detects that the voltage of the battery has dropped to a certain threshold, it automatically reduces or cuts off the power output to prevent further discharge. This helps to preserve the battery's capacity and prevent it from reaching a critically low voltage level.
The built-in thermal control automatically adjusts brightness output to prevent overheating. The "8" in the IPx8 rating indicates the highest level of protection against water ingress.
|Package contents||2 x spare o-rings|
The clip provides flexibility in how you carry your flashlight. 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 Lumintop FW4A SST20 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.
Lumintop FW4A SST20 (FW4ASST20) comparisons
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