Lightstar InfiniStar 275 flashlight review

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

The Lightstar InfiniStar 275 flashlight was 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.

Wondering if this Lightstar flashlight is a must-have? Keep reading to find out!

Table of Contents

  • Lightstar InfiniStar 275 specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
  • Conclusion, pros and cons
  • Photos

The content of this article reflects our own experiences and viewpoints. We aim to offer insights on a topic, and we hope others find it helpful and motivating. Additionally, we make every effort to provide accurate and comprehensive coverage.

Lightstar InfiniStar 275 / IS275

The InfiniStar 275 flashlight is an essential tools for emergency preparedness. This light has 2 modes of lighting. Without mode memory, each time you turn on the InfiniStar 275, it will start from the first mode in the sequence. This USB rechargeable flashlight has become popular.

Lightstar InfiniStar 275 specifications

NameInfiniStar 275
Rated 3 / 5 based on 1493 user votes.

The InfiniStar 275 flashlight allows you to light dark areas.

Body, materials, weight, colors

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

An extremely lightweight handheld flashlight weighs 70 g. Consider the length of the flashlight, it should fit comfortably in your chosen way to carry it. Aluminium is a lightweight material, which is beneficial for InfiniStar 275 flashlight. The HAIII coating is uniform and attractive. The InfiniStar 275 flashlight comes in many colors.

Lightstar InfiniStar 275 / 1

System, LED, lens, reflector

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

Lighting professionals trust Cree LEDs. Cree LEDs have gained a strong reputation for quality and performance. The color temperature choice depends on the light's use and personal taste. The InfiniStar 275 uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating of the lens helps to reduce reflections. Mechanical switches offer tactile feedback. Users can feel a distinct click or resistance when they press the switch. The rear switch is at the end of the InfiniStar 275 flashlight.

Performance, flux, intensity, throw

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

You mainly need a flashlight for basic tasks like finding keys or navigating in dimly lit areas, 275 lm can be enough. 1000 cd can make things quite bright. It's enough for many everyday tasks. The throw distance is the farthest distance the flashlight can light an object. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam. In some cases, a flashlight with a higher CRI may offer a more natural. The InfiniStar 275 has a CRI of 90, it is useful in everyday use.

Software, user interface, modes

Modes2 modes
Mode memoryno
Ramping modeno

A flashlight's modes are different output settings or brightness levels.

Features, battery, protections

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

The InfiniStar 275 flashlight utilizes integrated 660mAh Li-Ion battery as its power source. The battery indicator helps users check the battery status. The built-in charger allows for convenient and versatile charging. The InfiniStar 275 flashlight lacks built-in LVP. You should use a protected battery to prevent over-discharging. This flashlight doesn't have built-in temperature control. The "7" in the IPx7 rating shows that the flashlight can survive being submerged in water.

Accessories, package contents

Package contentsmicroUSB cable

Conclusion, pros and cons

This Lightstar flashlight, like any other, has its strengths and weaknesses. Let's take a close look at both sides to understand this flashlight better. I share my thoughts on its standout features and the parts that might need improvement. Keep in mind, these are just my opinions, and you might have a different perspective.


  • lightweight
  • aluminium body
  • body color options
  • warm light
  • AR coated lens
  • tactical switch
  • superior CRI
  • multiple modes
  • integrated battery
  • battery indicator
  • USB charger
  • waterproof


  • moderated performance
  • low intensity
  • no mode memory
  • no LVP
  • no thermal regulation
  • no auxiliary LEDs
  • non-magnetic


Lightstar InfiniStar 275 / IS275 photo 1.
Lightstar InfiniStar 275 / IS275 photo 2.
Lightstar InfiniStar 275 / IS275

If there’s information about the Lightstar InfiniStar 275 that you would like to see on this site, then write to us.

Updated: April 28, 2024

David Hagon
I love bushcraft and flashlights. I find joy in mastering wilderness survival skills and exploring the realm of illuminating gadgets. Bushcraft isn't just fun, it's a learning journey. I form a strong bond with nature. It's more than a hobby, it enriches me in practical and spiritual ways.