Black Diamond headlamp reviews

Gear Review: Black Diamond Iota Headlamp

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Black Diamond Iota headlamp
Black Diamond Iota headlamp

Ultralight Rechargeable Headlamp
Black Diamond Iota
$40, 2 oz.
backcountry.com

Even as backcountry headlamps continually shrink without compromising brightness—indeed, today’s ultralight models keep getting more powerful—my first impression of Black Diamond’s Iota is how darn tiny it is. Smaller than a golf ball, it’s nearly unnoticeable on your head: After turning it off, you could forget you’re wearing it. This two-ounce beacon also represents a leap forward in the affordability of rechargeable headlamps. While the Iota’s relatively short burn time on a full charge limits its versatility, it will appeal to people who want an affordable, ultralight, rechargeable headlamp for outings of up to two or three hours.

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Gear Review: Black Diamond Spot and Cosmo Headlamps

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Black Diamond Spot and Cosmo headlamps.
Black Diamond Spot and Cosmo headlamps.

Ultralight Headlamps
Black Diamond Spot
$40, 3 oz. (with 3 AAA batteries, included)
Black Diamond Cosmo
$30, 3 oz. (with 3 AAA batteries, included)
moosejaw.com

A headlamp doesn’t have to take a big bite out of your gear budget—in fact, as these two models demonstrate, you can score a multi-featured backcountry lamp for as little as 30 bucks, and a high-performance model for less than you’ll probably spend on food and gas for a weekend trip. From backpacking trips in Idaho’s White Cloud Mountains in October, Utah’s Dirty Devil River canyon in late March, and the Panamint Range of Death Valley National Park in May, to a four-day climb of the Mountaineers Route on California’s 14,505-foot Mount Whitney in mid-April and dayhiking the 32-mile, 10,000-vertical-foot Pemi Loop in New Hampshire’s White Mountains in August, I put the Cosmo and Spot through many hours of use. Both shined at the usual tasks, like lighting the way when pitching a tent or hiking off-trail in the dark, but my testing also spotlighted their differences.

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Gear Review: Black Diamond ReVolt Headlamp

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Black Diamond ReVolt
Black Diamond ReVolt

Rechargeable Headlamp
Black Diamond ReVolt
$60, 3.5 oz. (including its three rechargeable NiMH AAA batteries)
Max burn time: 12 hours with rechargeable batteries, 70 hours with alkaline (triple-power LED); 190 hours with rechargeable batteries, 300 hours with alkaline (single-power LED)
blackdiamondequipment.com

[Note: See my review of the updated, 2017 version of the Black Diamond ReVolt headlamp, which replaced the version reviewed below.]

One of the few downsides of backcountry travel is the volume of alkaline batteries we burn through and throw away. So the first thing that attracted me to the ReVolt is that it’s rechargeable. Then I discovered that this headlamp not only treats the environment well, but it’s powerful, versatile, and pretty darn light and compact—an all-around winner.

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