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I have a flashlight, it has a very high lumen output. When it is on high it does not last long.

It does have a "dim" setting. This setting just strobes the led, enough where it does cause headache.

What am I to search for to have a flashlight that does not strobe the led? Maybe one with multiple leds that shut off? Is this a specific type of flashlight?

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  • Does the light have to be directional? If not, perhaps a lantern would be a better fit. You can find LED lanterns that are very energy efficient and which maintain a charge for much longer than a high-powered flashlight would. Aug 20 '20 at 15:01
  • @JonathanLandrum I did see they have very long-life on low settings, but same issue with flashlights?
    – paulj
    Aug 20 '20 at 15:15
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    All my headlamps from various brands have a low setting that is advertised to last >24 hours. They are nicely dim for use in a tent in the middle of the night without blinding you or your tent mate.
    – Jon Custer
    Aug 20 '20 at 15:21
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    @ChrisH - seems likely. I guess my eyeballs just aren’t up to that task.
    – Jon Custer
    Aug 20 '20 at 18:22
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    go to r/flashlight on reddit or budgetlightforum.com and ask for recommendations on flashlights with no PWM or high frecuency PWM. There are a few people that can still see high frecuency PWM but it's quite rare.
    – ggf31416
    Aug 20 '20 at 22:37
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The strobe feature in a flashlight is employed primarily as a deterrent against threats and secondarily as a light signal.

There are several flashlights available that do not include a strobe function and are also reasonably priced. You may get this from any flashlight selling website or Amazon.

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  • That's a good point. My take was that the strobing the OP referred to wasn't the deliberate deterrence/signal/special effect that I try to avoid (especially in bike lights), but an inadvertent flashing or flickering in a mode meant to reduce output. You may be more right than me
    – Chris H
    Sep 24 at 11:02
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It's likely that the lamp (flashlight) you bought is either defective or uses older technology.

Many (perhaps even most) LED lamps (flashlights) currently on the market have a bright mode and a dim mode because the bright mode will likely run down the battery/batteries too fast.

Some even have one or more "intermediate" modes in which the brightness is between "bright" and "dim". Many also offer a strobe mode and/or SOS mode. All these modes are all distinct.

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