Klarus G20 Review 2023: Rechargeable Mini USB 3000 lumen Flashlight

I love flashlights a lot. I have owned several brands in the past, such as Fenix, Nitecore, Streamlight, Maglite, Surefire….you name them. Most of them have performed very well while some didn’t meet my expectations. At the moment, I am using a Klarus g20 flashlight. When a friend recommended this flashlight to me, I thought he was joking when he said that it was just as great as the brands that I have named above or even better. The Klarus G20 flashlight has 3000 lumens powerful brightness, 6 modes(total), can run 7 days at the 15 lumens mode, dual switches, and more. So, in this Klarus G20 review article, I will explain why I am recommending this mini light.

Technical Features of the Klarus G20 Flashlight


Klarus G20

Maximum Brightness: 3000 lumens
Minimum Brightness: 15 Lumens
Maximum Run-time: 150 hours (15 lumens)
Lighting Modes: 4 (15, 160, 650, 3000 lm)
Minimum Run-time: 45 minutes (3000 lumens)
Beam Distance: 180 Meters
Flashing Modes: 2 (160, 3000 lm)
Switch: 2 (side switch and tail switch)
Weight: 131 grams
Waterproof standard: IPX-8
Body: Aerospace Aluminum Alloy
Battery includes: Yes (One 26650 rechargeable battery)
Length: 124 mm
Warranty: Yes

Klarus is a new brand but it has already cemented its name among the best flashlight brands on the market. Since I acquired the Klarus g20 LED flashlight, I have been very thankful that I did. This flashlight goes at a fair price but functions very well. It is sturdily built and produces very powerful light with a maximum of 3000 lumens. It has a great throw of 150 meters and has 4 lighting modes. On top of that, it comes with strobe and SOS light modes. You can compare this light with Klarus 2000 lumens and Klarus xt12gt 1600 lumen flashlight.
The g20 rechargeable flashlight has the ability to provide light for up to 6 days on its one 26650Li-ion battery with a capacity of 5000 mAh. It comes with a USB cable for recharging and a holster for storing the flashlight. Its small but convenient design makes carrying it to be less cumbersome and it fits perfectly in tight places. The rechargeable 3000-lumen flashlight is waterproof and can defy impact up to one meter.  The flashlight is operated with one hand by either using the side or tail switch. At such a price, definitely, this is a flashlight that any person would love to own.

Flashlight Klarus G20 review with Features and benefits

Durable Aerospace grade aluminum construction

The Klarus g20 LED flashlight is sturdily constructed with some of the best materials. It is made up of aerospace-grade aluminum with a hard-anodized finish and has a hardened mineral glass lens with an anti-reflective coating. The glass lens is durable to resist scratches and protect the CREE XHP70 N4 LED bulb inside. On the other hand, the durable construction and hard anodized finish make the flashlight to be able to resist water and impact. That’s why it is IPX8 waterproof rated and can resist the impact of up to one meter. The flashlight can still function up to two meters underwater for 30 minutes.

With the ITS temperature control system feature, it is able to control the internal temperature of the flashlight. The light tends to get hot when turbo mode is switched on for some time. It will change to a lower mode when it detects a lot of heat.

Great brightness with a max of 3000 lumens

If you’ve been looking for an everyday carry light that isn’t just well built but as well offers very bright light, then the Klarus g20 3000 lumen light is the ideal choice. This flashlight produces extremely bright light with the ability to cover the entire football pitch. This is on a maximum of 3000 lumens and a far-reaching beam that covers 150 meters. All of this is made possible by the indestructible CREE XHP70 N4 LED bulb that the flashlight has. The LED bulb produces very bright light without any blind spots in it. the beam is also very wide and covers a huge area.

4 light settings and 2 special light modes

I prefer flashlights with a wide range of lighting modes instead of the usual 3 lighting modes. This gives me a chance to perfectly utilize the flashlight as I can cycle through different modes depending on what I am using the flashlight for. In a slightly dim area, I can use medium or low light levels. In a very dark place, I can use high or turbo modes. And In case I need help or want others to locate me, I can switch on the SOS mode. The strobe is for disorienting or blinding an assailant if I am attacked. This is what you get when you purchase the Klarus g20 LED flashlight.

6 days running time

During holidays or in the summer, people love camping for several days. In such situations, one should have a flashlight that runs for days without requiring it to be recharged. This is not the case with many flashlights as they can last just a few hours or days. The Klarus g20 flashlight is unique in that it can last for 6 days before power runs out. So, if you love camping for days, this is a great device to add to your arsenal. The flashlight will provide you with constant light for at least 150 hours in low-lighting mode.

Convenient and compactly designed

The size and design of the g20 LED light makes carrying it to be fun and easy. The flashlight is not very small as it perfectly fits in the hands for easy use. It weighs 131 grams without batteries. The nice finish and grip make holding it in the hand to be comfortable. Also, it comes with a lanyard and holster which can be used to securely store the flashlight away when not in use. If you need more small light then Klarus Mi7 flashlight could be a great option.

Side or tail independent dual switch control

The g20 rechargeable flashlight can be switched on by either the tail switch or the side switch. This can be done by a one-hand operation. When using the side switch, a quick press will turn the light on. Any extra press will change to low, medium, high, and then turbo mode. For strobe mode, you will have to double-click the switch. While for SOS mode, you will have to double-click a second time. A single press will retune the flashlight to the previous constant mode. To turn off the light, press and hold the switch. The side switch has a memory and thus when switched on, it will recall the previous lighting mode.

The second switch is the tail switch. Simply press the button once to turn it on. The low light mode will be the first to turn on and every additional press will lead to the other modes. Just like the side switch, strobe and SOS modes are available, too. Press and hold to turn off the light. While using this switch, there is no memory and thus when you start the light, it will again start from the low light mode.

Powered by one 26650 Li-ion battery

When using this flashlight, you shouldn’t insert any other kind of battery apart from the 26650 Li-ion batteries. Avoid using 18650 or CR123A batteries in this flashlight. The flashlight comes with a battery level indicator that shows you the remaining battery percentage. Different colors indicate different levels.  Green shows that it is above 705, orange shows it is between 30% and 70%, red means it is below 30% and red with flashing means that it is below 10%.

The g20 LED flashlight is another great flashlight from the Klarus brand with exceptional features. It is solidly constructed and has a perfect throw that can light up any dark room or even backyard. It is simple to use with the side switch and recharging is quick. Just connect the USB cable and you’re good to go. You can use the flashlight for almost a week as you go about with your or hunting activities. Get to cycle through the different lighting modes for different light uses. On purchase, Klarus offers you a 5-year warranty which is not easy to find on the market. With such exceptional features, this is a great LED flashlight for an avid outdoor enthusiast. I hope this Klarus G20 review article has given you a clear idea about this flashlight.

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