
Imalent RT90 4800lm In-depth review, Pros and Cons
The Imalent RT90 (RT90) released in 2021. It uses Luminus SBT90.2 LED, SMO reflector and 4 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 4800 lm output, 427980 cd intensity, and a beam distance of 1308 m.
The RT90 is an impressive flashlight that offers both power and reliability. Its robust build and outstanding illumination make it a versatile lighting instrument. This light has 5 modes of lighting. Instead of having to cycle through multiple modes to find the desired setting, mode memory of RT90 ensures that the flashlight starts in the mode you prefer or need. The USB charger port allows you to charge your flashlight using alternative power sources, making them even more suitable for outdoor adventures or emergency situations where access to electricity may be limited.
Imalent RT90 (RT90) 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 Imalent RT90, then don’t hesite and signal the problem to us.
Imalent RT90 (RT90) specifications
Brand | Imalent |
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Name | RT90 |
Type | RT90 |
Rating | |
Launch | 2021 |
Form | flashlight |
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
Weight | 428 g |
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Length | 127.5 mm |
Body diameter | 51 mm |
Head diameter | 65 mm |
Material | aluminium alloy with HAIII hard-anodized finish |
Colors | black |
This 428 g flashlight is quite heavy for a handheld flashlight. The increased weight can provide advantages such as longer runtime, enhanced durability, and the ability to project a brighter and farther-reaching beam. The ideal length of a flashlight depends on personal preference, intended use, and the specific features and functionality you're looking for. Aluminium body of RT90 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.
Hard-Anodized Type III (HAIII) is a specific anodizing process that creates a thicker and harder oxide layer compared to regular anodizing. It involves subjecting the aluminum to a higher voltage and a sulfuric acid bath, resulting in a dense and durable coating. The RT90 flashlight is available in black.
System
Emitter | Luminus SBT90.2 LED |
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Color temperature | 6500 K |
Reflector | SMO |
Lens | toughtened AR coated glass |
Switch | electronic side |
Luminus LEDs are known for their efficiency, brightness, color accuracy, and long lifespan. They offer a wide range of LED products with different characteristics to meet the diverse needs of the market. The choice of color temperature depends on the specific lighting application and personal preferences. With the smooth reflector of the RT90, the beam tends to have a well-defined hotspot at the center, which provides a concentrated beam of light for long-range applications.
This flashlight has an AR coated lens. This Anti-Reflective coating is a thin optical coating applied to the surface of the lens to minimize reflections and improve light transmission. The RT90 has electronic switch. Some flashlights with electronic switches have programmable features that allow users to customize the behavior of the flashlight. This may include setting specific modes, configuring brightness levels, or enabling unique functions according to individual preferences.
Performance
Flux | 4800 lm |
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Intensity | 427980 cd |
Throw | 1308 m |
CD/LM factor | 89.16 |
With 4800 lm, the RT90 flashlight will provide an exceptionally bright and powerful beam of light. It can illuminate large areas, outdoor spaces, or even act as a temporary spotlight in certain situations. With 427980 cd, this Imalent flashlight will produce an extremely intense and powerful beam of light. It will provide an unparalleled level of brightness and visibility, capable of illuminating objects or areas with exceptional clarity even at very long 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.
Software
Modes | 5 modes |
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Mode memory | yes |
Ramping mode | no |
Strobe | no |
SOS/Beacon | no |
Modes on a flashlight refer to different output settings or levels of brightness that can be selected to suit different needs and preferences. The RT90 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.
Features
Battery | 4 x 18650 Li-Ion batteries |
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Battery indicator | yes |
Charger port | magnetic USB |
LVP | yes |
Thermal regulation | yes |
Protection | IPx8 |
Impact resistance | 1.5 m |
AUX LEDs | no |
Magnetic | no |
The RT90 flashlight utilizes 4 x 18650 Li-Ion batteries as its power source. The RT90 has a battery indicator. A battery indicator is a feature that provides information about the remaining power level of the flashlight's battery. It helps users monitor the battery status and estimate how much runtime they have left before the battery needs to be recharged or replaced. This flashlight can charge the battery with an integrated charger, and it works with a USB power source.
LVP (Low Voltage Protection) is designed to protect the battery from being over-discharged, which can lead to reduced battery life or even permanent damage. 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. This flashlight is designed to withstand impacts of up to 1.5 m without sustaining significant damage, ensuring its durability and reliability even in challenging conditions.
Accessories
Package contents | 2 x spare o-rings lanyard magnetic USB charger cable nylon holster |
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The package includes a holster to safely store your flashlight. The lanyard of RT90 helps protect the flashlight from accidental damage by preventing it from falling or hitting the ground. 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 Imalent RT90 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.
Imalent RT90 (RT90) comparisons
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