How to Choose Headlamps

Whether you're running up steep trails or down city streets, the Black Diamond Deploy 325 headlamp lights the way with 325 lumens and a lens that lets you adjust the angle with the push of a button.
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View all Black Diamond LED HeadlampsBest Use | Running |
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Bulb Type | LED |
Beam Type | Adjustable |
Max Light Output (Lumens) | 325 lumens |
Max Beam Distance (m) | 52 meters |
Beam Distance | High: 52 meters; low: 7 meters |
Brightness Levels | Spectrum |
Average Run Time | High: 2.5 hours; low: 30 hours |
Regulated Output | Yes |
Rechargeability | Rechargeable |
Batteries | Li-ion |
Dimensions | 7.125 x 2.125 x 1.9 inches |
Ultralight | Yes |
Water-Resistance Rating | IPX4 |
Weight With Batteries | 1.4 ounces |
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As a busy working woman I'm most often getting out on the trail near my home for a walk, hike or run in the early morning before sunrise or in the evenings at nightfall. That means during spring/fall/winter it's generally either dark when I start or dark by the end. Having a reliable headlight is absolutely critical. I also do a lot of long hikes, overnight backpacking trips and camping, so my light source needs to be versatile. I have been using a PETZL Tikka for the past 2 years, so that was my personal comparison getting the Black Diamond Deploy 325.. 1. Unboxing - Black Diamond Deploy is so very light and streamlined! I love the Foam Green color. It is understated, but easy to find in the dark or inside a backpack. [The entire face and band is also reflective] The product feels streamlined and durable. No worries withstanding bad weather. I love that it is rechargeable, and it holds its charge well. It arrived new with 50% battery life. After fully charging out of the box, I've used it about 5 hours in one week and it still doesn't need to be recharged [obviously this would vary depending on many factors] It comes with a 6 inch USB-C to USB-C cord. This baffles me a bit. I can see that little cord easily getting lost or misplaced. To be honest, I've never used it. Any number of other cords with a USB-C will work. I prefer using my powerbank with its cord to recharge it, like I would on a multi-day hike. There are 3 blue lights on the bottom of the Deploy 325 to indicate how much charge it has. Instruction booklet leaves much to be desired. It is all pictographs. I had to play with the buttons quite a bit to learn how to get to each setting. And, to be honest, I am still not clear on all the patterns involved to control the settings. There is a learning curve! My first few times on trail, I invariably ended up stuck in "strobe mode" which was embarrasing and a tad frustrating. [The strobe feature is powerful, though!] I do like that there is a dimming option [holding down the large button will dim the beam, and then holding the botton again will increase the light. This came in handy when other trail users were walking toward me so I could prevent blinding them! [not always reciprocal]. Pros: lightweight. Weighs 1.2 oz on my kitchen scale [in comparison, my petzl is 3.0 oz] Rechargeable, huge bonus [I've been dealing with batteries] Weather "resistant" [I mean, you can't go swimming in it but for all intents and purposes I feel confident it would withstand some serious wet weather. The charge port has a secure silicone cover. The light is awesome and all-encompasing! I clocked a minimum distance of 200 feet, and noticed sometimes the light was reaching up to 300 feet, especially when there were any reflective surfaces or signage up in the distance. What really makes the BD Deploy stand out is how even and equal the light is distributed within a broad area. For example, The light extended fully across an 8 foot wide trail and lit at least another 4-5 feet on either side of the trail, [16+ foot wide radius]. Then, it lit upwards about 16 feet high within the 200 foot arch, because I could clearly see all of the top branches in the big trees moving forward. Having such a wide range of vision gave me a lot of confidence that I would see any dangerous low hanging branches or tripping hazzards. And, it effectively alerts any wild critters with plenty of advance notice that I'm headed their way. It would be extremely difficult for any thing or any person to hide and catch you by surprise with this light. The Peripheral vision is great. That said, there are a couple of limitations with the BD Deploy 325 to be aware. 1. The Black Diamond Deploy is not "brimmed cap friendly" when worn on your cap, the brim creates a large dark shadow in front of you, and depending on if you're going up/downhill in tricky terrain that large dark shadow around your feet can become treacherous. I quickly learned in order to have the full and proper range of light, I must wear the Black Diamond Deploy in the middle of my forehead, with the band around my hair, without any cap. This isn't a huge issue until bad weather hits. If it starts raining, I need my brim cap on to support the rain jacket hood... so, where will I wear the light without a dangerous shadow? Under the cap on my forehead seems an awkward and uncomfortable solution. I havent tested this IRL yet, but it seems problematic. My PETZL has a 3 way angle feature that allows me to wear the light on the top of my brimmed cap without creating a large shadow, since there is an ability to manually adjust the angle of the light. I'd really like to see Black Diamond find a way for us to angle the light to accommodate a brimmed cap. 2. The Black Diamond Deploy 325 does not have a red light. This is a sticky point for me. I appreciate that there is a "dim" feature, and that could be an alternative, but if you hold the button down a couple seconds too long it will quickly increase the light again. So, you'd need to practice to get it to the dimmest setting. In a camping environment as an early riser, any white light can easily disrupt someone else's sleep. I feel a red light is essential. The Black Diamond Deploy seems specifically geared for evening trail running & night walking, and not necessarily as a multi-purpose headlight for all outdoor activities. Overall, I think the Black Diamond Deploy 325 is a very solid product. I would recommend it for running dark trails, and navigating dark sidewalks. It is well constructed, lightweight, fully rechargeable with long lasting power, and provides excellent broad lighting for safety and confidence. I am very impressed, and will enjoy using it regularly. If Black Diamond creates a way to angle the light for cap wearers, and adds a red light feature then the Deploy would be fully perfect for me! I received a free product in exchange for my honest review.
I'm happy with the headlamp so far. I've used it for trailrunning, night bike riding, and a halloween costume. I was surprised and happy that the lamp stays in place well while running. It is light and doesn't bounce around. The headstrap is thin enough that it can be tightened sufficiently and it doesn't hurt. The brightness was good enough to run comfortably without straining my eyes to see what's ahead of me. The downward angle setting worked well while running. Although, I'd prefer to have a more traditional angle adjustment on the light instead of only two built in angles. I've never had a rechargeable headlamp, so it will be interesting to see how the battery ages. I like that the buttons need to be pressed hard in order to operate. I've had other headlamps that would turn on in my backpack because the button was so sensitive, which drained the battery. It is rated IPX4 which should be sufficient to use in the rain but we'll see if that holds true. Overall I think it is a good headlamp for what it's meant for, running. The run time is the limiting factor to this light. 2.5 hrs on bright and 6 hrs on low. This probably isnt enough for a weekend camping trip. But, this is also what allows the light to be small and light and good for running, which is the inteded purpose.
I had an opportunity to use this headlamp for several nights on trails. It’s feels sturdily made as though it’s going to last a long time. Before I dive into my likes and dislikes though, let me give kudos to Black Diamond for the packaging on this headlamp: small, without glue or plastic. Well done! Likes: USB C charging cord included, battery power indicator, lightweight, sturdy, simple and virtually unbreakable, and also a locking feature ensures it’s not accidentally turned on. Dislikes: the 3 lenses are intended to provide short medium and far emphasis but they’re pretty similar. You can tell them apart, just not by much. My biggest dislike is the weakness of the light. I’d prefer the option to have bit more distance to the light even if it reduces the battery life.
I received this black diamond head light. Totally love it. It is so easy to use and comfortable to wear it on my forehead and it doesn’t slip. The light is bright especially when I used it during the last blackout. And during my night bike ride.
I tested the Deploy 325 Headlamp on a night hike in below freezing temperatures in the foothills above Salt Lake City. For such a small lamp both the brightness and battery life were excellent. After the hike I left the lamp outside on full brightness and it remained well lit at least another couple of hours. All told it worked well at full brightness in sub freezing temps for over 3.5 hours. What I like most about the lamp is the lack of a pivot point. All of my prior lamps have needed to be retired when the pivot eventually fails. I also like that it is rechargeable. All of our bike lights are rechargeable, so I have a station next to our home computer where we plug these things in the night before any adventures. The range is decent enough for trail running. On the hike I primarily used the "near" setting. Unless I was really moving fast downhill, I can't imagine ever using the mid or far settings, and the far setting really isn't that bright. See pics. If there is one thing I miss, it's the red-light, which is nice when you are trying to search around the tent or camper in the middle of the night and don't want to disturb everyone else.
Great little running light that is lightweight and very bright! Pulling the headlamp out of the box initially, it is not immediately apparent how to work the different modes. I had to refer to the enclosed instructions which were in multiple languages and still very confusing when trying to s determine the correct sequence of buttons to use for your desired mode. I did not like that the light itself does not rotate up or down. Yes, the light is bright but if you wear this with a cap you will have to tilt your head down to get the light to shine down onto the ground in front of you or to be able to see your watch (unless you want to hold your watch several inches in front of you to get it into the forward projecting light). The strap pieces need to be a bit sturdier. The first time I wore this the connector that holds the excess strap in place when tightening the strap popped off when I put it on. Easy enough to fix but still. None of these things are dealbreakers. This is definitely smaller and brighter than any of my other headlamps making it super easy to pack and use.
I've been using the Deploy 325 for nighttime running for about a month now so far I'm loving it. I previously used the Black Diamond Sprint 225 (pictured on top, note the duct tape, lol) for nighttime running for a few years — I got it as a gift so I was content enough with it but I disliked a few things about it: - it didn't charge with USB-C (it was cumbersome to bring a separate micro USB cable when traveling just for charging this) - the headlamp seemingly had only two brightness settings: 100% brightness and 98% brightness (I wanted an actual dim setting since I didn't want to blind fellow runners in the morning) - the tilting mechanism on it was quite janky — if you tilted it all the way down, it wouldn't stay in place while running because the lamp itself was a bit heavy and it would shift the center of gravity. It made the whole thing feel rather bulky and uncomfortable at times. The Deploy 325 seems to be the only headlamp that REI sells that addresses literally all of these gripes. It supports USB-C (as of this writing, I think it's the only headlamp that REI sells that supports this), the dimming range is excellent and very adjustable, and the variable-angle beam is an elegant solution to the whole tilting mechanism thing that results in a lighter package that stays in place better (with the trade-off of fewer tilting angles, but I think the three beam settings should be good enough for most people). The Deploy is so dang light that it was only once I received it that I realized how comparatively bulky/heavy the Sprint was (and REI considers the Sprint to be "ultralight", lol). I'm honestly a little shocked at how bad the reviews on this product are and I am really only compelled to write this review to hopefully drown them out a bit. Most of the 1-3 star reviews on this product boil down to illiteracy, frankly: - "Only has strobe mode which is not practical" — obviously this is an issue with your unit that you should get some help with. Why would anyone sell a headlamp that only has a strobe mode? - "comes to find out the REI web page says this has a red light" — nowhere on this page does it say that there's a red light. REI literally has filters for a red light mode, use those next time! - "you can’t adjust the angle of the light and I feel like it needs to be lower" — you absolutely can adjust the angle, read the instructions - "the 3 lenses are intended to provide short medium and far emphasis but they’re pretty similar" — the three lenses are for adjusting the angle, not the distance. Again, read the instructions people! There are a couple valid criticisms worth calling out but I think the trade-offs are worth it (at least for my running use case): - "probably the worst thing about this light is the battery indicator lights shine down on your face when you turn it off. It is seriously awful" — I can understand that the brightness might be a bit much for certain folks but it was a total non-issue for me. Plus, the indicator lights are on for maybe a second and before turning off. Would recommend trying this for yourself if you're worried about it but I think this concern is overblown. - "My biggest dislike is the weakness of the light. I’d prefer the option to have bit more distance to the light even if it reduces the battery life." — the brightness/distance of the beam is average, I'll give you that. But... this is literally the lightest headlamp that REI sells by a mile! If you compare it against the other headlamps that REI sells, the beam brightness/distance makes sense for the package. If you want something with more brightness/distance, go for something heavier! Overall, I think this is an excellent headlamp for the money (at least with the 25% off winter sale price, lol) if your use case is similar to mine. Highly recommend this for anyone that's looking for an extremely lightweight and comfy USB-C powered headlamp that nails all of the basics!
I have really enjoyed running with this headlamp, and particularly it's lightweight and compact nature. The rechargeable battery eliminates the need for heavy and bulky AA/AAA batteries, so when running, the headlamp stayed fixed to my head without the feeling that it was bouncing around too much. The brightness was enough to light up the trail in the dark, and also enough for working around my garden in the dark. I really appreciate the foam padding on the back of the headlamp which helped keep it fixed in place on my forehead. While this headlamp is missing a red light and vertical adjustability, those are extra parts that add to the weight and bulkiness. It seems like Black Diamond is going for the simple and lightweight headlamp with the Deploy 325, and that's exactly what this is.
I tested the Deploy as part of the REI Trailblazer program while evening running with my kiddo. The body of the lamp is made with hard rubber which I thought would be uncomfortable compared to the cloth strap on my traditional headlamp. So, I was delightfully surprised that when running with the Deploy, I hardly notice it's on my head. The rubber helps the headlamp stay in place, which is great! There are three modes to the lamp that changes the angle of the beam. I didn't really notice a difference but maybe if running in darker environments, aka non-urban trails, the different angles would be more noticeable. The headlamp is pretty specific to running or biking, eg. there's no red or blue lamp and no dimming. So, I'm not likely to bringing it on trips where I want multi functions. Hence the 4 out of 5 stars. Overall, though, a nice headlamp if you're looking for an activity specific lamp.
I was looking for a lightweight, rechargeable headlamp, and this seemed like just the ticket, but I was wrong. It does have good battery life and is lightweight, as advertised, but other aspects of it are not so great. The controls are maddenly difficult to use: it can only be turned on/off if you press VERY hard in exactly the right spot, and I've yet to master the opaque and unnecessarily complicated symbols/settings for other features. The biggest downside, however, is that the angle of the lamp isn't adjustable, so there's no way to control where the light beam hits. If you have bifocals and you want to read a map or something, you're just out of luck. I've taken to just holding it in my hand when I use it, which obviously defeats the purpose.