Black Diamond ReVolt Headlamp

Priced: $49.98 - $59.99 Rated:   - 5 stars out of 5 by 37 reviews.
Black Diamond ReVolt Headlamp -
Black Diamond ReVolt Headlamp Features.

Black Diamond ReVolt Headlamp.
Heading outside during the night? The Black Diamond ReVolt Headlamp provides light whenever and wherever you need it. Boasting of versatility, this headlamp gives you an option to use rechargeable or standard NiMH AAA batteries. For added convenience, you can easily charge the NiMH batteries without removing them from the headlamp by simply plugging it into a computer or solar charger via a USB cable. Now, you won t need to worry about your headlamp s batteries running out while you re spending the night outdoors. It has a triple-power LED that emits a 110-lumens bright light for up to 230 feet. It even has additional two white LEDs powers proximity mode and two red LEDs powers night vision mode to make sure that you ll have sufficient light while you re camping in the woods or roaming the streets at night. Amazingly, you can view the remaining battery life on this headlamp s three-level power meter display with locking mode that prevents accidental battery drainage. Also equipped with a full feature set and a weather-resistant housing, the Black Diamond ReVolt Headlamp makes a great outdoor staple.
This product can only be shipped to U.S. addresses.

Key Features.

Lining and Layers:

  • The bottom line is that if you’re in the market for a super versatile—and essentially fool-proof—headlamp that you can use for anything from reading in bed or fixing the kitchen sink to getting an alpine start on something epic, the ReVolt should definitely be one of your top choices.”


  • IPX4 water-resistant construction delivers reliability in inclement weather


  • Use the red LEDs to preserve night vision while hanging out at camp or making your way down the trail; red light mode activates without having to cycle through white mode
  • Adjustable tilt allows you to dial in the aim of your beam by pivoting the housing up or down
  • Dimmer switch lets you choose the light output needed for the task at hand, from a blazing 110 lumens down to 4 lumens


  • Elastic headband is adjustable for comfort and removable for cleaning or repair


  • Lockout mode keeps your light from turning itself on in your pocket or pack


  • Battery case is built into the light housing and it accepts either AAA alkaline batteries or Black Diamond rechargeable batteries
  • Three-level power meter shows remaining battery life for 3 seconds after switching on headlamp
  • Alkaline batteries provide up to 70 hrs. of use with the TriplePower LED on high and 300 hrs. with the TriplePower LED on low
  • The USB charging cable can be plugged into a PC or solar charger for convenient charging of the headlamp
  • Lock mode prevents the Black Diamond ReVolt headlamp from accidentally being turned on while in your backpack
  • Cycle through full-strength proximity and distance modes for hiking, a dimming mode so you can select a custom light level, a strobe mode for rescue, a red night-vision mode for night, and a lock mode
  • Max Burn Time on High Setting: 1 Triple Power 70 H (alkaline), 12 H (NiMH)/ 2 Single Power 22 H (alkaline), 10 H (NiMH)
  • Single switch activates all modes plus dimming
  • Will not charge unless the rechargeable batteries are installed, so you don’t have to worry about battery leakage
  • Its 3 Black Diamond NiMH AAA Rechargeable Batteries or standard alkaline or lithium batteries can be easily charged using a PC or solar charger via a USB cable
  • High quality lenses keep light quality pure and artifact-free
  • LED bulbs are highly efficient with battery power usage and powerful enough to provide all the light you need
  • Pop the NiMH batteries in the ReVolt, connect the included micro USB cable and start charging from any USB power source, such as a solar panel, laptop or car power port
  • 1 Triple Power LED, 2 Single Power white LEDs and 2 Single Power red LEDs emit up to 110 lumens (max setting using alkaline batteries)
  • No battery memory means you can recharge it as often as you want without diminishing battery capacity
  • 12 hr. burn time on max setting with rechargeable batteries (90-lumen output); 70 hr. on max setting with alkaline batteries (110-lumen output)
  • Includes USB charging cable, 3 rechargeable batteries, and 3 alkaline batteries (in case you need to use it right away)
  • SinglePower white LEDs create less power (25 lumens) and offer less distance (9 meters), but they use battery power more efficiently when you need less intense, close-proximity light
  • Single mode button makes it easy to cycle through modes and the button is lockable so it can't be triggered by mistake
  • Black Diamond ReVolt headlamp comes with 3 AAA alkaline batteries, 3 AAA NiMH batteries and a micro USB cable for recharging the NiMH batteries; wall plug not included
  • TriplePower LED bulb offers up to 110 lumens of power at its max setting and it projects light up to 70 meters on its highest setting
  • Simple and efficient recharging through a standard USB cable
  • 2 SinglePower white LEDs and 2 SinglePower red LEDs output 25 lumens and throw a beam up to 9m with alkaline batteries and 8m with NiMH batteries
  • The sleek, weather-resistant housing offers extreme durability
  • 1 TriplePower LED, 2 SinglePower white LEDs, and 2 SinglePower red LEDs provide whatever level of brightness you need
  • SinglePower red LEDs are also less powerful, but are good for getting around camp in the dark, and don't compromise your night vision
  • Lock mode prevents accidentally switching on if something presses on the switch when stowed away
  • Recharge the NiMH batteries without removing them from the headlamp; simply plug the included USB cable into the headlamp and a USB power source
  • The two white LEDs powers proximity mode
  • ReVolt also accepts non-rechargeable AAA batteries, so if you're on a mountain without a way to recharge, you can throw in your backup alkaline batteries and you're good to go
  • IPX-4 standard water resistance allows this headlamp to withstand light precipitation
  • Protected against splashing or sprayed water from any angle (IPX4)
  • Headlamp features a TriplePower LED that outputs up to 110 lumens and throws a beam up to 70m when powered by AAA alkaline batteries
  • Use the strobe function to flash red or white light to signal for help
See further with the ReVolt Headlamp from Black Diamond. This headlamp can be powered by either rechargeable batteries (connect it with a micro USB cable to recharge) or disposable AAA batteries (perfect for when you need a backup power source out on the trail). With two settings, you can easily adjust the lamp to you current needs. The ReVolt's TriplePower LED bulbs give your supreme vision at night and the dimmer function lets you chose how bright you need it at any given time. Go on night hikes or find your around the dark campsite with easy with the Black Diamond ReVolt Headlamp.

Massey's Outfitters
The Black Diamond ReVolt marks a paradigm shift for versatility in a rechargeable headlamp, capable of being powered by rechargeable batteries, as well as standard alkaline batteries. The 110-lumen ReVolt runs off three Black Diamond NiMH AAA rechargeable batteries and recharges via a USB cable that can be plugged into anything from a computer to a solar charger. When recharging is not an option, the ReVolt accepts standard alkaline AAA batteries. Distance mode is powered by one TriplePower LED, two SinglePower LEDs power proximity mode and two SinglePower red LEDs power night vision mode. With a full feature set, including dimming, and a weather-resistant housing, the ReVolt is ready for nearly any mission. 1 TriplePower LED, 2 SinglePower white LEDs and 2 SinglePower red LEDs emit up to 110 lumens (max setting using alkaline batteries)
Settings include full strength in proximity and distance modes, dimming, strobe, red night vision and lockout.
Sleek, low profile design uses 3 Black Diamond NiMH AAA Rechargeable Batteries or standard alkaline or lithium batteries (rechargeable and alkaline included as well as USB charging cable)
Red night vision mode has proximity and strobe settings, and activates without cycling through the white mode.
Three-level power meter shows remaining battery life for 3 seconds after switching on headlamp.
Protected against splashing or sprayed water from any angle (IPX 4)

Offering no compromise hybrid power and a full feature set, the revolutionary ReVolt is the first rechargeable (via USB) headlamp to also run on standard AAA alkaline batteries. The Black Diamond ReVolt Headlamp marks a paradigm shift for versatility in a rechargeable headlamp, capable of being powered by rechargeable as well as standard batteries. The 110-lumen ReVolt runs off three Black Diamond NiMH AAA rechargeable batteries and recharges via a USB cable that can be plugged into anything from a computer to a solar charger to the USB input on a car stereo. If recharging is not an option, the ReVolt accepts standard alkaline AAA batteries. The dynamic ReVolt is built with one TriplePower LED, two SinglePower LEDs, two SinglePower red LEDs and a battery level/charge status indicator. Settings include: full strength in proximity and distance modes, dimming, strobe, red night vision and lock mode. The ReVolt is protected against splashing or sprayed water from any angle (IPX 4).

Appalachain Outdoors
The unique Black Diamond ReVolt Headlamp is capable of being powered by its included rechargeable batteries, or using standard AAA alkaline batteries. This 110-lumen LED Headlamp runs off of three Black Diamond NiMH AAA rechargeable batteries that are recharged using a USB cable that may be plugged into anything from your computer, your USB port on your car stereo, or a solar charger. When out of civilization and unable to recharge, the ReVolt accepts standard alkaline AAA batteries.

Run your Black Diamond ReVolt Headlamp dry during an early morning run, plug it into your laptop at work, and recharge your light via USB. Powerful and efficient LED bulbs sip battery power and provide a distance mode for moving fast, a proximity mode for around camp, and red night-vision mode that minimizes eye fatigue for reading or cooking. In classic Black Diamond style, this light is built with attention to detail and steadfast durability.

FEATURES of the Black Diamond ReVolt Headlamp.
SPECIFICATIONS of the Black Diamond ReVolt Headlamp.

Black Diamond's revolutionary, ReVolt Headlamp offers hybrid power and a full set of features including rechargeability (via USB). It features several modes and brightness levels that allow the user to fine tune the light to their immediate needs. Settings include full strength in proximity and distance modes, dimming, strobe and red night vision. This sleek, low profile design uses 3 Black Diamond AAA Rechargeable Batteries or standard alkaline or lithium batteries (included).

Backcountry Edge

Equipped with a “hybrid power” design that allows for the use of traditional or rechargeable batteries, the Black Diamond ReVolt is a powerful and versatile headlamp. The ReVolt offers long-distance and close-proximity lighting options.

The Black Diamond ReVolt Headlamp is hailed as a 2013 Backpacker Editor's Choice award winner, with recognition from Trail Runner Magazine and National Geographic for similar awards. The power source versatility is truly remarkable. With the ability to use rechargeable batteries or standard alkaline batteries, the ReVolt is ready to take on any adventure.


The sophisticated Black Diamond ReVolt headlamp has a bright, powerful beam that lights up the night, and it can operate on alkaline or rechargeable NiMH batteries (both are included).

Specifications are based on use with 3 AAA alkaline batteries.


Eastern Mountain Sports (EMS)
If you're looking for a headlamp as versatile as you are, look no further. The Black Diamond ReVolt is a revolutionary rechargeable headlamp small enough to take anywhere and powerful enough for any situation.
Enjoy crisp, piercing illumination no matter where your adventures take you. The main lamp uses a 110-lumen LED to light up the night, and two secondary white LEDs provide an energy-efficient beam for short-range use. The headlamp is also outfitted with two red LEDs, which won't ruin your peripheral vision in the dark. Runs for up to 300 hours on three included AAA batteries. Elastic headband for a snug fit.
Wt: 3.4 oz.
Colors: Titanium, Green, Black.

Mountain Gear
The full-featured and low-profile design of the ReVolt Headlamp conceals a minor revolution in hybrid power.
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Average Price History: Price History
Review RatingNumber of Reviews
7 Lighting Modes:TriplePower High, TriplePower Low, SinglePower High, SinglePower Low, Strobe, Red Light, Red Light Strobe
Additional Info:IPX Rating: 4
Average run time:High: 70 / low: 300 hours
Awards:2013 Award Winners
Batteries:3 AAA alkaline (included) / 3 AAA NiMH (included)
Battery:3 AAA alkaline or 3 AAA NiMH rechargeable
Battery Life:up to 300 Hours
Battery Type:NiMH AAA Rechargeable Batteries or standard alkaline or lithium batteries?
Beam distance:High: 70 / low: 9 meters
Beam type:Flood / Spot
Brightness Modes:Variable
Brightness levels:2 + dimmer
Bulb:110 Lumens (alkaline); 90 Lumens (NiMH); 1 TriplePower LED, 2 SinglePower White LED and 2 SinglePower Red LED
Bulb Type:LED
Bulb detail:High-output LED/2 LEDs/2 red LEDs
Bulbs:5 LEDs
Burn Time:High
Burntime on High:70 hours
Burntime on Low:300 hours
Case Pack Quantity:10
Dimensions:2.25 x 2 x 1.5 inches
Distance:70 meters
Distance on High:229.6 ft / 70 m
Distance on Low:29.5 / 9 m
Features:Battery Indicator, Rechargeable, Red Light Mode
Housing Tilts:Yes
Item Weight:3.4 oz w/ alkaline batteries 3.5 oz w/ NiMH batteries
Led Type:1 TriplePower / 2 SinglePower
Light LED Type:1 TriplePower, 4 SinglePower
Light Lumens:110
Light Max Burn Time:Alkalin:70H/300H,NiMH:12 /190H(High/Low)
Light Max Distance:Alkilne: 70m TriplePower; 9m SinglePower
Light output:High: 110 / low: 4 lumens
Lighting Use:Sport/Outdoor
Lumen Range:100-149 Lumens
Max Burntime(S) ON Highest Setting:70 H (alkaline), 12 H (NiMH) / 22 H (alkaline), 10 (NiMH)
Max Burntime(S) ON Lowest Setting:300 H (alkaline), 190 H (NiMH) / 80 H (alkaline), 80 H (NiMH)
Max Distance on High Setting:1 Triple Power 70 m (alkaline) .66m (NiMH) / 2 Single Power 9 m (alkaline), 8m (NiMH)
Max Distance on Low Setting:1 Triple Power 11 m (alkaline) 9 m (NiMH) / 2 Single Power 3.5 m (alkaline), 3.5m (NiMH)
Max Distance(S) ON Highest Setting:70 m (alkaline),66 m (NiMH) / 9 m (alkaline),8 m (NiMH)
Max Distance(S) ON Lowest Setting:11 m (alkaline),9 (NiMH) / 3.5 m (alkaline), 3.5 m (NiMH)
Max Lumen Output:110 Lumens
Max Lumens:110 (alkaline), 90 (NiMH) / 25 (alkaline), 25 (NiMH)
Max beam distance (m):70 meters
Max light output (lumens):110 lumens
Maximum Battery Life:300 hr.
Maximum Burn Time:300 hours
Maximum Range:70 m
Minimum Lumen Output:4 Lumens
Power Type:Battery
Recommended Use:High-Performance Illumination
Red light mode:Yes
Regulated output:Yes
Retail Package Dimension:4.1 x 4.5 x 2" / 10.5 x 11.5 x 5 cm
Strobe Mode:Yes
Warranty:3 years
Water Resistant:Yes
Waterproof:Water-Resistant (IPX 4)
Weight:3.4 oz / 97 g (With Batteries)
Weight W/ Batteries:98 g (3.5 oz.)
Weight With Batteries:3.4 oz (alkaline), 3.5 oz (NiMH) / (alkaline), 97 g, 100(NiMH)
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Subcategories of Lights & Headlamps:

Black Diamond ReVolt Headlamp Reviews:

Positive Reviews:

I had intended, some weeks ago, to get on here and thrash this headlamp. Up until I reached Washington St. while recently hiking the PCT, the headlamp had performed admirably, to say the least. The rechargeable battery aspect was, without a doubt, a major selling point for me when I was scouring the market for a headlamp that didn't have a battery pack and feel like a helmet on my head.
Any how, the one issue that I have had with this headlamp (but do not seem to be having with it anymore) is that I had a brush with fright when the headlamp, at one point, seemed to have gotten moisture inside the casing (I guess mist must have seeped in while hiking through a rainstorm) and would no longer work; this was a problem that persisted for weeks, and when I had nearly decided to just return it and instead get a headlamp that was fully waterproof, I plugged it in to charge and found it working like nothing had ever happened.
I will update this review if anything changes with the working status of the headlamp, but as of right now, all seems to be copacetic. If I had not had the one scare with it where it seemed as though all was lost, I would give this lamp a 5 star rating.
Both the primary LED, as well as the smaller secondary LEDs, are bright and resplendent, while the red light setting provides ample late-night reading and mobility lighting when I need to see but want to avoid temporary blindness.
The light operation button is large enough to use with relatively bulky gloves on, and the lock feature is of considerable help when it comes to avoiding potential battery drain via accidental activation while the pack rides along in your pack.
Being that it is rather airy with regard to weight, you can rapidly forget you're even wearing it.

James Howard at on 11/09/2013

Best All-Purpose Headlamp

Contrary to some of the other reviews, I've found this headlamp to be excellent. I think the problems that other reviewers experienced could have been avoided by reading the instruction packet, or carefully reading the info on the box. No where do the manufactuers claim that you will get 70 hrs of light with the highest beam. To the contrary, it says plainly on the box (and in the manual) that 70 hrs is only for the lowest beam setting. The highest beam will last for around 15 hrs with good batteries, which is still pretty excellent in my opinon.

Pros: 3 different lights to choose from - Very bright main LED for spotlighting/looking further ahead, 2 LEDs for viewing your close surroundings, and 2 red LEDs to preserve your nightvision. The last two can also be set to a strobe setting. The brightness of all of these different lights can be adjusted to suit your needs - all you do is hold down the top button until the appropriate level of brightness is achieved.

As an amateur astronomer, I find the red LED feature particularly useful as it preserves my night vision. I also put the red LED on strobe when I'm riding my bike at night for extra protection.

This model comes with 3 rechargable AAA batteries that charge in the headlamp.

The only thing I would like to see is more adjustability of the beam angle. There are only 3 preset angles you can adjust to. I'd like to be able to adjust along the whole spectrum.
Elliottok at REI on 03/03/2013

Awesome headlamp & Awesome REI exchange

As I was preparing to go on a backpack elk hunt. My trusty headlamp purchased by my wife 1/12 ago for a Christmas gift to me refused to screw shut. Aghh the screw was stripped. As I was leaving the next day I had to have a replacement. I got to the store moments before it closed. I was overjoyed when the REI associate told me that my wife had purchased it at REI and I could find a replacement for only the balance from the price of my last headlamp (minus my dividend). WOW why buy any piece of outdoor gear anywhere else. I decided to upgrade to the the REVOLT and wow was I glad. My hunting partner couldn't believe how bright my lamp was. He actually turned is off and just walked behind me. It was completely dark with no moon. We we hiking along a ridge so we had to be very careful not to misstep It would mean a long fall in a long scree filled shoot. On the same hunt after we had arrowed our bull we were packing out in the dark again this was no problem with the illumination from the light. Thanks REI for your return policy and for carrying such great products.
Josebigsky at REI on 10/10/2013

Good light, with room for improvement

The light itself is decent, and I won't go into what everyone else has already described.

However, I have to say that the lack of memory for certain light settings (dim setting and spot/flood) has been frustrating for me. Frequently I been surprised by a bright spot light when last I used it was turned off in the flood setting. This has happened on more occasions than I cared to count. However, the light does have a memory for the red light setting as its saving grace.

Also, the difference in battery life and light performance is quite drastic between using the included rechargeable batteries and the regular alkaline batteries. While I appreciate BD openly publishing the figures, it still leaves me hesitant to use the rechargeable. Oh the guilt...

Lastly, note in the instruction that there is no o-ring to waterproof the battery housing in inclement weather. You do need to dry out the inside after use in wet conditions.

Here's to wishing the next iteration will be better in these regards. It is otherwise a decent light all in all, and replaces my Peztl which has accompanied me through military deployment and camping trips the past half a decade.
Flagyl at REI on 06/06/2013

This last weekend I was in the mountains with my Dad and cousin hiking and looking for moose. Over the course of several days we got rained on, snowed on, hailed on, nearly blown off the mountain and cooked by the heat. Gotta love Utah weather. Anyways I have the Black Diamond Revolt headlamp and got the chance to put it to the test. The vehicle we were driving around had a flat tire and before we knew it the sun was down. I busted out my headlamp and put the others' lamps to shame.
The Revolt outshined the other lights and made it easy to see what we needed to do to fix the tire. The lightweight ReVolt allowed me to carry it around all day with ease and it took a soaking in my pack, but still worked perfectly.
The light adjusts to different angles so you can see what you need to, and the long battery life ensures you won't be caught out in the dark.
This is a great headlamp that can be taken anywear and easily charged. I always looked for a brighter and brighter headlamp and finally found it in this one.

Carver Shaw at on 10/01/2013

This flexible headlamp works great

This headlamp has similar beam options as other headlamps such as the Spot, with smaller wide beam LEDs on the sides of the bright narrow spot lens in the center. You can easily switch between the wide or narrow beams by pressing the button multiple times and if you want to keep the longest run times, then just keep the beams dimmed down from their highest levels. The fact that you can switch from the rechargeable batteries to standard types, means that you can keep it running with spare batteries when you are away from a charging source for too long. The USB rechargeable feature is really handy though, since it easily connects to my car or a solar charger.

The bulkiness mentioned by the other reviewer isn't an issue and all headlamps that include the batters in the headlamp itself, as opposed to in a separate box in the back of the strap, will be a bit bulkier, but that's never been an issue and it's great to keep the back of the strap clean so it is more comfortable to wear with your head on a pillow.
Mark in Moab at REI on 12/12/2012

I bought this headlamp at the beginning of May for night time cycling and night climbing. Definitely one of my main pieces of gear this summer. I am not sure how I operated before I had this in my possession.
The dimming function is one of my favorite things that this headlamp has. I have also had to use the strobe light function one time which was unfortunate in itself but it did the job and a swift search and rescue was the result.
I have only used this lamp with the rechargeable batteries provided by BD and they work amazing - you can use alkaline batteries for more lumens if needed (not sure how fast they will use the battery, yet)
In conclusion: this is a headlamp manufactured by Black Diamond and it upholds the standard that I have for all of their gear.

Grant Kates at on 10/03/2013

Worth every penny!

I've owned quite a few headlights over the years (Princeton tec, petzl, etc.). I have to say that this is the best one yet! The beam is very strong, very little "yellowing" around the beam. The dim mode is great for adjusting your light output, and the rechargeable batteries are a huge plus. One thing to keep in mind is this though, the rechargeable batteries in full charge, only produce 90 lumens on the high beam. However, there is very little difference between the 110 (using alkaline batteries) and the 90. Would recommend this to anyone who goes on long hikes, or climbs. Also, one thing to keep in mind is this. You can recharge the batteries using the USB cord with any kind of charger it will take (solar, car, wall, etc.).
jch2 at Cabelas on 08/02/2013

Upgraded to this headlamp for a summer job that required me to live out of a backpack for 9 days out of every 14 and I was not disappointed. Here's what I noticed:
-The rechargeable batteries are a real wallet saver, and the USB charger makes it easy to plug in and get a charge anywhere there is a computer.
-The light is a little less potent when using the rechargable batteries, but I didn't ever feel that it was inadequate.
-For extended trips into the backcountry I would suggest bringing an extra set of batteries just in case, but you know that.
-Doesn't feel too bulky on your forehead.
-Uses one less battery than the storm.
I had the storm before and this is definitely worth the 10 dollars, rechargeable batteries for the win!

Garrett Shephard at on 11/28/2013

Shares phone charger!

I just returned from a trip to Death Valley via motorcycle. The Revolt comes with the required rechargable AAA and standard Alkalines! The charge cable is a standard Micro USB found on many phones, like Androids, so I didn't need an extra cable! I just took turns charging the light and my phone. The battery life was good enough that for the 1-2 hrs a night that it was necessary, it didnt need to be charged too often. I charged it every couple of days, but even that didn't seem necessary!

My only disappointment is that it does not remember the dimmed setting when turning it back on, not too big of a deal.
Low594 at REI on 03/03/2013

Negative Reviews:

WARNING! Can't recharge your own AAA's

This is my 3th attempt to post this review. It keeps getting removed.

This review focuses only on the batteries and recharging of the batteries.

Having had a bad experience with a black diamond headlamp in the past, we thought we would NEVER again buy one. But when (NameRemoved) Magazine's "Gear Guide 2013" made the Revolt one of its' "Editor's Choice Award" winners, stating on page 30 and I quote, "The housing also serves as a dock for other NiMH rechargeable batteries, so you can use the headlamp to juice up all your rechargeable AAA's", we were sold. The rei website did show revolt documentation stating only revolt batteries could be recharged, but
it looks like this documentation has been removed. Having been told the same thing by many other battery charges, who want to encourage you to use only their batteries, we went with (NameRemoved) Magazines word and bought the revolt anyway. (NameRemoved) to our is dappointment was wrong, so you must take the tester reviews of (NameRemoved) with skepticism.

Here's how the revolt recharging really works:

1. Should you attempt to charge your non-revolt AAA's, the charger will blink red, (like many other chargers). Don't assume the blinking will turn to green, (again like many other chargers) it won't ever turn green because the blinking red is an error to let you know it has detected non-revolt batteries.

2. The Revolt headlamp is more expensive because of the recharge function.

3. The Revolt batteries aren't better than other NiMH's, so the primary reason to buy them is to recharge them with your headlamp. If one can use another charger to charge revolts is not something we tested.

4. The price for the revolt batteries is the same as other brands, at least for now.

5. Should you want to buy new revolt batteries for your headlamp you will get stuck with an extra one, as they come in boxes of four, despite the headlamp needing only three. (Sure use the extra one for your other gadgets).

6. The revolt batteries are only available via the rei website as opposed to the rei store, so be sure to buy them ahead of time.

If you are still reading this review, you may be asking yourself, despite the above, "why such a low rating". Any company, or product that goes out of its' way to hold one hostage to their technology is not a company we support and just for that they get a 1 rating, because 0 is not available, besides there are better headlamp products available on the market.
Geeks vs. Wild at REI on 09/09/2013

Many better lights on the market

Made the mistake of falling for the hype of the "Bright, Powerful Beam", problem is, since it isn't power regulated, the extreme brightness is only there when the batteries are brand new. The peak voltage in the batteries only last minutes and from there on the brightness is falling off more and more.
The headband is definitely the worst among the four other lights I own, constantly needing to readjust and can't wait to get it off after an hour.
Construction & design is not for long term durability, it's made cheaply.
Again, among all the lights I own, [Petzl, Princeton Tec, BD], the on/off button is the worst and nearly impossible to find/use with gloves on.
I've always loved my Petzl & Princeton Tec headlamps, but figured I'd try something new, taken in by the marketing & myriad bells & whistles. Won't get fooloed again.
JerseyHighlander at REI on 12/12/2012

Not As Advertised!

The promised battery life of 70 hours on Alkaline batteries is a joke. The light output is not regulated, so it starts dimming with 1 hour of use. After 8 to 10 hours the light is so dim that it is not useable in most environments. The packaging makes appear that you 110 lumens for 70 hours. Just not true.
rayjay8492 at REI on 02/02/2013

Neutral Reviews:

Battery does not maintain power

We walk 4 miles nightly which means it gets dark. This battery does not maintain 90 lumens.
Friend walks with Black Diamond 90 lumen headlamp on regular batteries which has significantly more power.
I bought this for the convenient recharge system unfortunately the power is not as strong as regular non-rechargeable battery.
It needs a lithium rechargeable system like most camera systems.
Hikin at REI on 10/10/2013