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Posted 20 hours ago

Nitecore T4K 4000 Lumen Keychain EDC Flashlight, Super Bright and USB-C Rechargeable with LumenTac Keychain Light

£6.995£13.99Clearance
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The switch has a battery indicator light that comes on with a single press when the torch is off, or for a few seconds when you turn the torch on. Solid green and the torch has over 85% charge, flashing green 50-85%, red 25-50% and flashing red if it’s less than 25% charge remaining. This is handy but only works with the supplied Fenix battery – the ARB-L16-700P.

Fenix are well known for their well regulated constant outputs and the E18R V2.0 is no exception – all the modes up to high were pretty much spot and with a constant output. I measured turbo at 1279 lumens at turn on, 1230 at 10 seconds, 1182 at 30 seconds, 563 at 5 minutes and 415 lumens at 10 minutes. There is also a large, metal belt clip on the flashlight’s side. There is some serious tension in this thing, which I had to really haul on to be able to slide it onto my belt. This clip is meant to stay put. The clip is extra deep so you can attach it to hat brims or bag straps for hands-free use. Holding down the switch with the torch off accesses low mode with 2 sub-modes. Press and hold the switch to cycle between them. Low mode 1 is 1.5 lumens for 100 hours and low mode 2 is about the dimmest moonlight mode I’ve seen – 0.2 lumens that can last for up to 50 days! Olight doesn’t specify the LED used but it sits behind a TIR optic and the beam has a good mixture of throw and spill for an EDC torch. There’s a noticeable hotspot with 220 metres of throw and 12300 candela of intensity in turbo mode.Some pictures have been adjusted slightly to depict as close as to what is seen in real life. The distance of the light from the door is 4.6m. Nitecore T4K has 5 brightness levels available with direct access to TURBO and ULTRALOW, it also has 2 user modes, DEMO Mode and DAILY Mode.

It’s a bit on the large side for EDC suitability, but it’s definitely one of the best-performing EDC lights on the market. Given that Turbo only works for 10 seconds, I won’t be stressing the light by hitting turbo over and over again; it doesn’t really result in much, as the light gets heat-soaked, and turbo lasts for shorter and shorter periods until it lasts for less than 1 second. I’ve run High and Mid, though, as I believe these will be the most commonly used modes for longer periods of time. Olight Baton 3 Pro: UK: https://www.olightstore.uk/s/4YA99W US: https://www.olightstore.com/s/F9GB34 Nitecore did not disclose the tint (color temperature) and/or the CRI (Color Rendering Index) for the LED used in their light. For this light, a guesstimate would be in the 6500K and 70CRI ballpark.Pushing the mode selection button brings up a battery level meter that tops out around 4.2v, which is the Li-ion standard for max charge. Nitecore has also built over-charge protection into the T4K, as well as over-discharge protection. A full charge takes around 2 hours and the side switch status LED will change from red to green. Only the lowest eco mode is available whilst charging – with a long press of the side switch. It has a magnetic tail cap which is useful for hands free operation, but also snaps very positively to the Olight magnetic charger if you have one, or into the charging case. The 4 LEDs sit behind a TIR lens and the beam is floody, but with the huge amount of output the throw is still 209 metres with an intensity of 10900 candela. Although this is still less than the Fenix PD25R with only 800 lumens of output – which it can also hold for a lot longer. It really does depend on what you want. It’s a little less convenient removing the battery to charge it, but you don’t have to worry about making sure any external ports are sealed.

Turbo can be called up almost until the low battery flashes. I got to operate it for about ten seconds with the T4K display showing 3.40V. This behavior of the T4K is excellent.

Like most Fenix torches I’ve tested there’s no way to get straight to moonlight or turbo mode – something most other torches offer in one way or another. And I’d prefer a slightly warmer, higher CRI LED with a more neutral tint. But the size, build quality, magnetic tail cap, well regulated outputs and Fenix reliability I’ve had first hand experience with for many years with numerous torches, makes this a very tempting offering. Baton 3 Premium Edition

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