Lightstar InfiniStar 275 (2019) review

Cree XP-G2 LED
275 lm output
1000 cd intensity
integrated 660mAh Li-Ion battery

The Lightstar InfiniStar 275 (IS275) released in 2019. It uses Cree XP-G2 LED, SMO reflector and integrated 660mAh Li-Ion battery. The powerful emitter in this flashlight provides up to 275 lm output, 1000 cd intensity, and a beam distance of 63 m.

This light has 2 modes of lighting. This light does not have memory function. The InfiniStar 275 flashlight is rechargeable easily via USB port.

Table of contents:

Lightstar InfiniStar 275 (IS275) specifications

NameInfiniStar 275
Rated 3/5 based on 1008 user votes.


The aluminium body of flashlight treated with a Type III hard-anodized, anti-abrasive finish.

Weight70 g
Length161.9 mm
Body diameter15.9 mm
Head diameter15.9 mm
Materialaluminium alloy with HAIII hard-anodized finish


The emitter of InfiniStar 275 manufactured by Cree, a US-based LED manufacturing company. The InfiniStar 275 has a smooth reflector. The properly focused smooth reflector gives you a more cohesive hotspot and therefore throws better. It has an AR coated lens.

EmitterCree XP-G2 LED
Color temperature4000 K
LensAR coated glass
Switchmechanical 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.

Flux275 lm
Intensity1000 cd
Throw63 m
CD/LM factor3.64


Modes2 modes
Mode memoryno
Ramping modeno


The battery indicator lets you know when the battery is low, charging, or fully charged. This flashlight can charge the battery with an integrated charger, and it works with any USB power source. A protected battery is recommended as the light itself does not have low voltage protection (LVP). This light does not have temperature control feature.

Batteryintegrated 660mAh Li-Ion battery
Battery indicatoryes
Charger portmicroUSB
Thermal regulationno


Package contentsmicroUSB cable

The performance of the Lightstar InfiniStar 275 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 Lightstar InfiniStar 275, then don’t hesite and signal the problem to us.

Lightstar InfiniStar 275 (IS275) pictures

Lightstar InfiniStar 275 / IS275 photo Lightstar InfiniStar 275 / IS275 photo
Lightstar InfiniStar 275 / IS275

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