Wuben A21 4200lm In-depth review, Pros and Cons

Cree XHP70.2 LED

4200 lm output

12854 cd intensity

1 x 21700 Li-Ion battery

The Wuben A21 (A21) released in 2018. It uses Cree XHP70.2 LED, OP reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 4200 lm output, 12854 cd intensity, and a beam distance of 227 m.

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The A21 is a powerful and reliable flashlight. With its impressive illumination capabilities and durable construction, it serves as an exceptional lighting tool for various situations and environments. This light has 5 modes of lighting. The mode memory of A21 contributes to a more seamless and intuitive user experience. It has a strobe function, which is one of the most effective self defense tools available. This USB rechargeable flashlight has become a popular choice for both everyday use and demanding situations where reliable lighting is essential.

Wuben A21 (A21) 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 Wuben A21, then don’t hesite and signal the problem to us.

Wuben A21 (A21) specifications

Brand	Wuben
Name	A21
Type	A21
Rating	★★★★★ Rated 4/5 based on 1293 user votes.
Launch	2018
Form	flashlight

Flashlights enable you to navigate in the dark, locate supplies, signal for help, or provide comfort and security in challenging circumstances.

Body

Weight	147 g
Length	135.5 mm
Head diameter	42 mm
Material	aluminium alloy with HAIII hard-anodized finish
Colors	black

This 147 g flashlight would be considered slightly heavier than average for a handheld flashlight, but it is still within a reasonable weight range. This weight range is often found in smaller and more compact flashlights designed for everyday use or portability. It's important to consider the length of the flashlight to ensure it fits comfortably in your desired carrying method. Aluminium is a lightweight material, which is beneficial for A21 flashlight.

The body of A21 flashlight treated with a Type III hard-anodized, anti-abrasive ﬁnish. This flashlight comes in a sleek black color option.

System

Emitter	Cree XHP70.2 LED
Color temperature	6500 K
Reflector	OP
Lens	toughtened AR coated glass
Switch	electronic side

The emitter of A21 manufactured by Cree, a US-based LED manufacturing company. Cree is a well-regarded LED manufacturer known for its high-quality products and innovation in the lighting industry. Color temperature is a characteristic of light. It is measured in units called Kelvin (K) and is used to quantify the color appearance of light sources, particularly white light. The A21 uses orange peel (OP) textured reflector. The orange peel (OP) reflector is a specific type of reflector commonly used in flashlights. It is named after its distinctive textured surface, which resembles the skin of an orange.

The AR coating of the lens helps to mitigate these reflections by altering the refractive index of the lens surface. The A21 utilizes electronic switch. Electronic switches on flashlights provide a range of advantages and additional features compared to mechanical switches.

Performance

Flux	4200 lm
Intensity	12854 cd
Throw	227 m
CD/LM factor	3.06

With 4200 lm, the A21 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. The A21 flashlight with 12854 cd has an extended throw distance, allowing you to illuminate objects or areas at greater distances. This can be advantageous for outdoor activities, search and rescue operations, or scenarios where long-range visibility is required.

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. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam. Well-focused spot beams can be over 100 cd/lm, tactical flashlights are typically between 20-100 cd/lm, and work lights are less than 10 cd/lm.

Software

Modes	5 modes
Mode memory	yes
Ramping mode	no
Strobe	yes
SOS/Beacon	yes

Modes on a flashlight refer to different output settings or levels of brightness that can be selected to suit different needs and preferences. The A21 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 A21 is tactical strobe ready. The strobe light is disorienting to the person it is aimed at which makes it difficult for them to concentrate. It has the SOS beacon function for an emergency situation. The SOS flashes Morse code so you can signal for help when needed. The SOS signal is recognized as an international distress call and is used to indicate an urgent need for assistance.

Features

Battery	1 x 21700 Li-Ion battery
Battery indicator	yes
Charger port	USB Type-C
LVP	yes
Thermal regulation	yes
Protection	IP68
AUX LEDs	no
Magnetic	no

The Wuben A21 flashlight is powered by 1 x 21700 Li-Ion battery. The battery indicator lets you know when the battery is low, charging, or fully charged. The A21 flashlight can be charged directly from a USB power source, such as a wall adapter, computer, power bank, or car charger. This allows for convenient and versatile charging options, as you can utilize various USB power sources to recharge the flashlight's internal battery.

This flashlight has a built-in low voltage protection (LVP) to prevent damage to the cell from over-discharge, so protected cells are not necessary. The A21 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 "6" in the IP68 rating represents the level of protection against solid objects, specifically dust and foreign particles. It indicates that the A21 flashlight, is fully protected against the entry of dust and other solid objects. The A21 flashlight with IP68 rating can withstand being submerged in water beyond 1 meter for a prolonged period, typically specified by the manufacturer.

Accessories

Package contents	18650 adapter 2 x spare o-rings 21700 battery USB Type-C cable lanyard nylon holster

Obtaining a flashlight with an included battery saves you the time and effort of searching for a compatible battery or waiting for a separate battery to arrive. The package comes complete with a holster designed specifically to provide a secure and protective storage solution for your flashlight. Attaching a lanyard to your A21 flashlight provides an additional layer of security, reducing the risk of accidental drops or loss. Regularly replacing worn or damaged O-rings helps maintain the overall durability and performance of the flashlight.

The performance of the Wuben A21 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.