Acebeam TK17 TI Samsung (2020) review

3 x Samsung LH351D LEDs
2300 lm output
5310 cd intensity
1 x 18350 Li-Ion battery

The Acebeam TK17 TI Samsung (TK17TIS) released in 2020. It uses 3 x Samsung LH351D LEDs, TIR reflector and 1 x 18350 Li-Ion battery. The powerful emitter in this flashlight provides up to 2300 lm output, 5310 cd intensity, and a beam distance of 146 m.

It uses a TIR lens to form the beam pattern. This light has 5 modes of lighting. The memory function is a nice feature, the light will remember the last used mode.

Table of contents:

Acebeam TK17 TI Samsung (TK17TIS) specifications

NameTK17 TI Samsung
Rated 4/5 based on 1014 user votes.


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


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.

Emitter3 x Samsung LH351D LEDs
Color temperature6500 K
Switchelectronic rear


The throw is the calculated 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. 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.

Flux2300 lm
Intensity5310 cd
Throw146 m
CD/LM factor2.31


The TK17 TI Samsung has mode memory. Mode memory means that the light will remember the mode you were using when the light was last turned off, and when you turn it on again.

Modes5 modes
Mode memoryyes
Ramping modeno


The TK17 TI Samsung cannot charge batteries directly. You may need an external charger to keep your battery going. 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 built-in thermal control automatically adjusts brightness output to prevent overheating.

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


It comes with a battery. The battery must be fully charged before you first use your TK17 TI Samsung. The clip is useful to keep the light secured in your pocket.

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

The performance of the Acebeam TK17 TI Samsung 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 Acebeam TK17 TI Samsung, then don’t hesite and signal the problem to us.

Acebeam TK17 TI Samsung (TK17TIS) pictures

Acebeam TK17 TI Samsung / TK17TIS photo Acebeam TK17 TI Samsung / TK17TIS photo Acebeam TK17 TI Samsung / TK17TIS photo
Acebeam TK17 TI Samsung / TK17TIS

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