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Black Diamond Iota Headlamp

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Black Diamond
RRP: $39.95
$29.96 (You save $9.99)
0.20 LBS

 Product Description

A light that easily fits in the palm of your hand, the Black Diamond Iota is the daily driver for quick-hit morning trail runs, post-work ridge scrambles and urban adventuring. Emitting 150 lumens on the max setting with an average three-hour burntime, the lithium ion rechargeable battery eliminates waste, and an IPX4 rating protects against splashed water from any angle. Powertap Technology allows for fast, easy brightness adjustments, and a lockout feature safe guards your battery life.


  • 1 DoublePower LED with 150 lumens (max setting) projects a strong, oval beam
  • Powered by a lithium ion rechargeable battery (TK-hour USB charge time)
  • Settings include full strength, dimming and strobe
  • PowerTap Technology allows fast and simple transitioning between full and dimmed power in order to instantly increase illumination in distance or proximity modes
  • Three-level power meter shows remaining battery life for three seconds after switching on headlamp
  • Lockout feature safe guards against accidental use when stored in a pack or pocket
  • Protected against splashing or sprayed water from any angle (IPX 4)


Lumens:  150

Weight:  56 g (1.9 oz)

Max Distances:

[High]  40 m
[Low]  7 m

Max Burn Time:

[Low]  40 hrs. estimated
[Average]  22 hrs.
[High]  2 hrs.

IPX Rating:  x4

Led Type:  1 TriplePower

Batteries:  Rechargeable lithium ion

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 Product Reviews

  1. Excellent headlamp for camping

    Posted by LoneCrowAdventures on 21st Aug 2019

    I purchased the Black Diamond Iota headlamp earlier this season. I've been extremely happy with its performance. I like that it features the USB charge option seeing as I always have a portable batter pack to charge my phone and GPS. It's nice not to have to carry extra batteries. It is very bright and stays secure on my head with a variety of headwear. Very comfortable to wear. The headlamp operates for a long time on a single charge (4hrs on max power) and I've never run out of juice during my travels.
    Check out my video review on my YouTube channel Lone Crow Adventures.

  2. Great UL headlamp

    Posted by Mooseman on 17th Feb 2018

    Although it only puts out 150 lumens, I find that it is plenty for my needs. I love the fact that one can dim it as much as needed. I also like the "tap" feature where I can quickly change from my low setting while eating in the dark to maybe 60% brightness to see what the noise in the bushes is (I hate when a grizzly interrupts my dinner). It can be programmed to come on at the same brightness as when you last turned it off. I turn it off at the lowest setting, and when I turn it on again, I will set the brightness where I need it. I have modified it to be attached to the back of a ball cap, or my pack's sternum strap for night hiking, eliminating the need for the included strap. This drops the weight to 1.4 oz., which is extremely light. I wanted a backup light, and Karst was the only vendor that had the color I wanted. Quick service too.

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