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Nebo included a proprietary ICR 18650 lithium-ion battery, with a total capacity of 2200mAh. This is actually quite small for a battery nowadays. I don’t know why they couldn’t choose a 3000mAh or just use a 3500mAh battery. Since the light shouldn’t be pulling many Amps, a 3500 mAh battery would have been fine. Zoomed out (with the widest beam) the beam is quite uniform in the center all the way up to the edges. There’s a yellowish ring visible on the outside of the beam, just like you’d expect from a focusable flashlight. Press and hold: ramping brightness up and down. It will blink at the highest and lowest output, but if you keep pressing the switch, it just continues ramping up and down
Nebo is a major flashlight company with many flashlight in their line-up. And we’re happy to be able to test some of their products, including the Slyde King 2K. The specs mention quite a few features, including a ‘hidden’ COB light, magnetic tailcap, focusable beam, USB-C rechargeable, IPX7 waterproof, and 2000 lumens. And it’s advertised as a work light, so no EDC, Tactical or such. NEBO specializes in using “COB” or “Chip on Board” LED modules in their lights to get superior light output with high durability. They also use this technology to add additional light emitters to the body, especially by adding a work light into the mix. They feature convex lenses in the head that get you a substantial amount of throw for the light output, making them quite versatile lights in the process. Their lights are highly adaptable as a result. They’re also easy to charge because they work with USB-C or micro USB cables for easy battery maintenance after use. Where are NEBO flashlights made? All the functions are controlled by red the button located on the side of the unit, and the torch, work light and red constant light are all dimmable. When the light is turned on the in any of these outputs simply hold down the button and the brightness will gradually begin to dim before then getting brighter again. Release the button at the desired output for the task at hand. If the torch is in the compact position the button will turn the torch light on and off. If the torch is extended it will reveal the work light which automatically turns on in white, and single presses of the button will cycle through white, red and red flash.It’s interesting to note that the CCT is supposed to be 10000K and extremely cold, but in person it’s not really blueish. To activate the COB light, simply pull the head from the body. The COB light will turn on directly when you start pulling, even with only 3 millimeters moved. That means that the light will be turned on, while covered for 95% by the flashlight body. When the light is zoomed in (narrow spotlight) the beam becomes square-ish with rounded corners. At a close distance (1-2meters), you still see a weak ring outside the hotspot. That ring will become invisible after about 5 or 10 meters. Press the button a second time to activate flashing red mode, which is 40 lumens, shining for up to six hours. There were a few very small spots on the anodization in some tiny machining marks around the light, but nothing to worry about, if you are going to use it as a work light. It’s not meant to be a shelf queen, and will also never be one.
Before you can use this torch (to keep it British English), you’d have to take out the plastic insulation disc, inside the flashlight, by removing the battery first. The runtime test was done with the 50cm integrating sphere, and Extech SDL400 data logging Lux Meter. The NEBO Slyde King 2K is the upgraded version of the popular Slyde King, which is a rechargeable multi-functional unit capable of being used as a torch or work light. Having 2,000 lumens is not bad, since that’s brighter than about 95% of all the flashlight currently on planet earth.
Direct to Red
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The Highest output doesn’t drop as fast as you’d think. It takes almost 15 minutes to drop from about 2000 lumens down to 295 lumens. Yes, that’s low. At 2h14min it reaches 180 lumens (which is considered the end of the runtime as per ANSI 1FL standards). But the light continues to drop output and finally turns off after 3h14min. Battery was down to 2.7V. As well as the white light, the COB LED has a constant red light output and red flashing output. Red light is useful for night reading, animal spotting and preserving night vision, and the flashing red light is good for attracting attention, making it useful for in the car or on camping trips. By default, it turns on in the White mode. But if you press the side switch, and slide the body, you can get red light directly.Nebo doesn’t mention anything about the brand of LED that is used. From the front, the LED is clearly visible, but I’m also not sure what brand and type it is. It’s an LED with 4 dies in 1. It sits behind a (plano) convex lens in the middle of a white centering ring. The LED isn’t perfectly centered, but that’s probably not a big problem. All it takes is pressing the on switch to use a NEBO flashlight. And even if you forgot to charge the battery, their lights tend to be USB-C rechargeable, meaning you’ll always have easy access to chargers and power accessories with a NEBO flashlight. It would have been nice to have some more battery level indicators. Having only 1 indicator for 100% to 25% is not very handy. I’d rather have more battery levels, like 100-75% 75-50% 50-25% 25-10% 10-5% <5%
You can see that it takes 6.5 minutes to reach 1000 lumens…. which is actually a really good performance! And 11.5 minutes to reach 500 lumens. Most flashlights drop below 1000 lumens within 3 minutes… The Lowest output starts at around 190 lumens, drops to 148 lumens in 30 seconds, and 66 lumens in 1 minute. It’s interesting to note that the light drops in steps, and not gradually. That’s kind of hard to tell in this graph, because the measurements are done every 5 seconds. You’d have to look at the 10 minutes graph to see this. The runtime is supposed to be 10% of the initial 30 seconds reading, so that means about 6.6 lumens. That’s about 16 hours. At 17h06min the light finally turns off. Some zoomy flashlights are push pull, but since that will activate the COB light, you need to twist the head to focus the main LED. The Slyde King has 2 light sources, namely a single LED at the front (with a focusable lens) and a COB hidden inside the batterytube. To see, and activate the COB light, you simply pull the battery tube while holding onto the head with your other hand. Once you start pulling, the COB light will turn on. I’m not 100% sure that’s the best way to do this, because it will turn on even when the COB light is only like 5% visible. But Nebo probably has a reason for this.
To activate the SLYDE KING 2K's signature COB work light, simply extend the flashlight out by pulling the top and bottom of the light. The work light will activate automatically straight into high mode, so be careful not to look directly at the light when opening. In this mode, the light is 500 lumens, shining for four hours. You can also dim the light in this mode by holding down the button as before with the flashlight. This mode is 50 lumens shining for 24 hours. If you calculate the loss of light, with the numbers above, you see that both the Highest output and Lowest output had a loss of 61%. This is a lot, but quite normal on focusable flashlights. Find all the instructional manuals, how-to videos and reference materials for all of the products sold by Carnage Tools. Diagnostics The head has little to no wobbling at both ends of the zoom, but it does have some wobble halfway through it. This is nothing to worry about unless you are using it in a very wet environment because it would indicate a larger gap. With the flashlight extended, pressing the button once, will put the work light in red COB mode. On high, this mode is 40 lumens, shining for up to six hours. The light can also be dimmed in this mode by holding down the button and on low,
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