Astrolux S43S XP-L 4600lm review. Is it worth it in 2023?

4 x Cree XP-L HI LEDs
4600 lm output
8464 cd intensity
1 x 18650 Li-Ion battery

The Astrolux S43S XP-L (S43SXPL) released in 2020. It uses 4 x Cree XP-L HI LEDs, TIR reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 4600 lm output, 8464 cd intensity, and a beam distance of 184 m.

The S43S XP-L flashlight is an essential tools for emergency preparedness. In situations like natural disasters or blackouts, when electricity is unavailable, a flashlight becomes crucial for navigating dark areas, locating supplies, or signaling for help. TIR lenses of the S43S XP-L are engineered to optimize optical efficiency by reducing light scattering and minimizing lens artifacts. With mode memory, when you turn off the S43S XP-L and then turn it back on again, it will automatically activate the mode that was last used before it was turned off.

The strobe function of S43S XP-L produces a high-frequency flashing light pattern that is designed to disorient or distract potential threats or aggressors. This USB rechargeable flashlight is designed to be compact and lightweight, making them highly portable and easy to carry.

Table of contents:

Astrolux S43S XP-L (S43SXPL) specifications

NameS43S XP-L
Rated 4/5 based on 1101 user votes.

The presence of a flashlight can provide a sense of reassurance and confidence in unfamiliar or potentially dangerous environments.


Weight60 g
Length88.7 mm
Head diameter27 mm
Materialcopper head, aluminium alloy body with HAIII hard-anodized finish

The 60 g flashlight may not provide the same level of brightness or features as larger models, it can be handy for quick and convenient illumination in emergency situations or for close-range tasks. The ideal length of a flashlight depends on personal preference, intended use, and the specific features and functionality you're looking for. The aluminium bodies can be anodized, providing a protective layer and a wide range of color options for flashlight bodies. Anodizing enhances the corrosion resistance, hardness, and scratch resistance of the aluminum, while also allowing for a variety of attractive finishes.

The HAIII process produces a hard and wear-resistant surface on the aluminum, making it more resistant to scratches, abrasions, and impacts. This improves the overall durability of the flashlight body. This flashlight features a captivating black color.


Emitter4 x Cree XP-L HI LEDs
Color temperature5000 K, 6500 K
Switchelectronic side

Cree LEDs are commonly used in a wide range of lighting applications. Their products are trusted by lighting professionals and have gained a strong reputation for quality and performance. The choice of color temperature depends on the specific lighting application and personal preferences. This TIR lens offers flexibility in achieving various beam patterns, from wide-angle illumination to focused spotlights, depending on the specific design of the lens. The S43S XP-L 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.


Flux4600 lm
Intensity8464 cd
Throw184 m
CD/LM factor1.84

With 4600 lm, the S43S XP-L 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 8464 cd, the S43S XP-L 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 distance refers to the maximum distance at which the flashlight can effectively illuminate an object or target. The stated throw distance typically indicates the point at which the brightness falls below a specified threshold, such as 0.25 lux. Flashlights with a higher cd/lm ratio typically excel in long-range throw and focused beam applications, while flashlights with a lower cd/lm ratio may provide a wider and more evenly distributed beam for closer-range illumination or general-purpose use.


Mode memoryyes
Ramping modeyes

NarsilM offers various customization options, allowing users to tailor the flashlight's behavior to their specific needs. This can include adjusting ramping profiles, configuring mode groups, setting shortcuts, and more. The S43S XP-L 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. Instead of having predefined brightness levels or fixed modes, the ramping mode lets you adjust the light intensity seamlessly within a specific range.

Strobe mode on S43S XP-L flashlight produces a rapid, repeated flashing of light. It can be used for signaling purposes, self-defense, or attracting attention in emergency situations. SOS mode of the S43S XP-L produces a specific sequence of long and short flashes to signal distress or emergency situations. It is commonly used in outdoor adventures or survival scenarios.


Battery1 x 18650 Li-Ion battery
Battery indicatoryes
Charger portmicroUSB
Thermal regulationyes

The S43S XP-L flashlight utilizes 1 x 18650 Li-Ion battery as its power source. The S43S XP-L 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. USB rechargeable flashlights have become increasingly popular in recent years due to their convenience and sustainability.

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 S43S XP-L has thermal protection feature. The thermal protection mechanisms are designed to monitor and regulate the temperature of the flashlight during operation. This feature helps prevent overheating, which can be detrimental to the flashlight's performance, battery, and overall safety. The IPx6 rating indicates that the S43S XP-L flashlight has a protection against water jets.


Package contents18350 tube
spare o-ring
survival hammer

When the flashlight is clipped to a suitable location, it can be angled or positioned to provide hands-free illumination. The lanyard of S43S XP-L helps protect the flashlight from accidental damage by preventing it from falling or hitting the ground. When using spare O-rings, it's important to follow the manufacturer's instructions and guidelines for proper installation.

The performance of the Astrolux S43S XP-L 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.

The specifications above 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 Astrolux S43S XP-L, then don’t hesite and signal the problem to us.

Astrolux S43S XP-L (S43SXPL) pictures

Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL photo
Astrolux S43S XP-L / S43SXPL

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