Olight I1R 2 EOS 150lm In-depth review, Pros and Cons

150 lm output
400 cd intensity
integrated Li-Ion battery

The Olight I1R 2 EOS (I1R2EOS) released in 2019. It uses CSP LED, TIR reflector and integrated Li-Ion battery. The powerful emitter in this flashlight provides up to 150 lm output, 400 cd intensity, and a beam distance of 40 m.

The flashlight is a must-have tool for outdoor activities. These include camping, hiking, and night-time exploration, it offers guidance and safety. TIR lens plays a significant role in shaping the beam pattern of the I1R 2 EOS flashlight. This light has 2 modes of lighting. Without mode memory, each time you turn on the I1R 2 EOS, it will start from the default or first mode in the sequence. The flashlight uses rechargeable batteries. You can recharge them with a USB cable connected to a power source.

Olight I1R 2 EOS (I1R2EOS) pictures

Olight I1R 2 EOS / I1R2EOS photo 1.
Olight I1R 2 EOS / I1R2EOS photo 2.
Olight I1R 2 EOS / I1R2EOS photo 3.
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Olight I1R 2 EOS / I1R2EOS photo 5.
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Olight I1R 2 EOS / I1R2EOS photo 7.
Olight I1R 2 EOS / I1R2EOS

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 Olight I1R 2 EOS, then tell us.

Olight I1R 2 EOS (I1R2EOS) specifications

NameI1R 2 EOS
Rated 4 / 5 based on 1376 user votes.

This Olight flashlight offers portability, versatility, and reliability in providing illumination.


Weight13 g
Length44 mm
Body diameter14.8 mm
Head diameter14.8 mm
Materialaluminium alloy with HAIII hard-anodized finish

An extremely lightweight handheld flashlight weighs 13 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 I1R 2 EOS flashlight. The HAIII coating is often matte or textured. This finish improves grip and feels nice in the hand. This flashlight offers many color options. You can choose from a wide range of hues. They will suit your style and preferences.


EmitterCSP LED
Color temperature4000 K

Color temperature is a characteristic of light. It is used to quantify the color appearance of light sources. The I1R 2 EOS's TIR lens is made of a single piece of transparent material. This material is typically acrylic or polycarbonate.


Flux150 lm
Intensity400 cd
Throw40 m
CD/LM factor2.67

You mainly need a flashlight for basic tasks like finding keys or navigating in dimly lit areas. 150 lm can be enough. It can also be enough for occasional use around the house. 400 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 cd/lm factor is the candela-to-lumen ratio. It shows how concentrated a light source's output is.


Modes2 modes
Mode memoryno
Ramping modeno

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences.


Batteryintegrated Li-Ion battery
Battery indicatorno
Charger portmicroUSB
Thermal regulationno

The Olight I1R 2 EOS flashlight is powered by integrated Li-Ion battery. The I1R 2 EOS flashlight can charge from a USB power source. This source can be a wall adapter, computer, power bank, or car charger. LVP (Low Voltage Protection) is designed to protect the battery. It stops over-discharging, which can reduce battery life or cause permanent damage. This flashlight doesn't have built-in temperature control. The flashlight has an IPx8 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period. The manufacturer specifies this.


Package contentskey ring

According to the ANSI/NEMA FL1 Standard, we measure the performance of the Olight I1R 2 EOS 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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