Acebeam TK17 TI Osram 1500lm In-depth review, Pros and Cons

3 x Osram KW CSLNM1.TG LEDs
1500 lm output
21000 cd intensity
1 x 18350 Li-Ion battery

The Acebeam TK17 TI Osram (TK17TIO) released in 2020. It uses 3 x Osram KW CSLNM1.TG LEDs, TIR reflector and 1 x 18350 Li-Ion battery. The powerful emitter in this flashlight provides up to 1500 lm output, 21000 cd intensity, and a beam distance of 290 m.

The TK17 TI Osram is an impressive flashlight that offers both power and reliability. Its robust build and outstanding illumination make it a versatile lighting instrument. It uses a TIR lens to form the beam pattern. This light has 5 modes of lighting. You don't have to cycle through many modes to find what you want. The TK17 TI Osram's mode memory makes the flashlight start in your preferred or needed mode.

Acebeam TK17 TI Osram (TK17TIO) pictures

Acebeam TK17 TI Osram / TK17TIO photo 1.
Acebeam TK17 TI Osram / TK17TIO photo 2.
Acebeam TK17 TI Osram / TK17TIO photo 3.
Acebeam TK17 TI Osram / TK17TIO

We base the specifications below on the official data published by the manufacturer, while also considering user reviews. If you found an error or something lacking in the specifications for the Acebeam TK17 TI Osram, then tell us.

Acebeam TK17 TI Osram (TK17TIO) specifications

NameTK17 TI Osram
Rated 3 / 5 based on 1348 user votes.

The TK17 TI Osram flashlight enhances safety. It illuminates hazards and improves visibility in low light.


Weight80.5 g
Length82.8 mm
Body diameter21 mm
Head diameter25.4 mm

The flashlight weighs 80.5 g. It is 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. The TK17 TI Osram flashlight is available in titanium.


Emitter3 x Osram KW CSLNM1.TG LEDs
Color temperature6500 K
Switchelectronic rear

People know Osram LEDs for their high performance, energy efficiency, and reliability. The color temperature choice depends on the light's use and personal taste. The TIR lens makes the LED light collimated. It does this into efficient, well-controlled beams. These beams maximize the usable lumens in the target area. Some flashlights with electronic switches have programmable features. They allow users to customize the behavior of the flashlight. Rear switches are common on tactical flashlights. Law enforcement, military, and self-defense personnel use them.


Flux1500 lm
Intensity21000 cd
Throw290 m
CD/LM factor14

With 1500 lm, the TK17 TI Osram flashlight will offer a brighter and more powerful beam of light. The TK17 TI Osram flashlight has 21000 cd. It can light objects at greater distances. The throw is the distance in meters at which the flashlight produces a light intensity of 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.


Modes5 modes
Mode memoryyes
Ramping modeno

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. It stays in that mode when you turn it on again.


Battery1 x 18350 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationyes

The TK17 TI Osram flashlight utilizes 1 x 18350 Li-Ion battery as its power source. The TK17 TI Osram cannot charge batteries. You may need an external charger to keep your battery going. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge, so it doesn't need protected cells. The TK17 TI Osram has thermal protection feature. These mechanisms track and regulate the flashlight's temperature as it operates. The "8" in the IPx8 rating means the highest level of protection. It is against water ingress.


Package contents18350 battery with microUSB
2 x spare o-rings
microUSB cable

The included battery lets you immediately use the flashlight for your desired applications. It saves time and allows you to focus on your tasks or activities. The clip provides flexibility in how you carry your flashlight. Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the Acebeam TK17 TI Osram flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

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