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H51 Headlamp AA 200Lm (ship to US customers only)
Item Id:ZLH51
H51 Headlamp AA 200Lm (ship to US customers only)
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Price: $64.00
On sale:
Out of Stock

Main Features and Specifications

  • LED: Cree XP-G Cool White (color temperature 6100-6500 K)
  • User Selectable Levels: 3 main level (High, Medium and Low). Each main level can be configured to one of its two sub-levels. The second sub-level of the High can be further configured to different brightness levels or strobes.
  • Light Output
    • High:         H1 200 Lm (0.9 hrs)   or    H2  100 Lm (2.4 hrs) / 140 Lm (1.7 hrs) / 4Hz Strobe
    • Medium:    M1  30 Lm (8 hrs)    or    M2      8 Lm (26 hrs)
    • Low:         L1   2.5 Lm (3 days)   or    L2   0.2 Lm (16 days)
    • Light output are out the front (OTF) values. Runtime tests are done using Sanyo 2000mAh Eneloop AA batteries.
  • Operating Voltage Range: 0.7V - 2.5V
  • Battery: One 1.5V AA (NiMH, lithium or alkaline). 14500 Li-ion batteries are not supported. Batteries are not included in the package.
  • Parasitic Drain: Negligible (equivalent to 16 years)
  • Beam Type
    • 80 degree spill beam spread
    • 11 degree (3.8 feet at 20 feet) hot spot
  • Dimensions
    • Diameter: 0.90 inch (23 mm)
    • Length:    3.2 inch (81 mm)
  • Weight
    • 1.2 oz (35.8 gram)
    • 2.2 oz (61.9 gram) with an Eneloop AA
    • 3.0 oz (84.9 gram) with an Eneloop AA and headband 
  • Features
    • Electronic soft-touch switch, with a 200,000 cycle operating life
    • Smart user interface provides fast and easy access to all brightness levels
    • Precision machined unibody casing from premium grade aluminum bar stock
    • Proprietary heat sinking design bonds the LED board directly to the unibody aluminum casing, providing unblocked thermal paths to over 94% of the surface area.
    • Durable natural hard anodized finish (Type III Class I)
    • Ultra clear lens with anti-reflection coatings on both sides
    • Orange peel textured reflector
    • Battery power can be locked out by slightly unscrewing the tailcap to prevent unwanted activations or parasitic drain
    • Waterproof to IPX7 (2 meters, 30 minutes)


  • March 2012: all output levels are current regulated



This light has 3 main levels (High, Medium, and Low). Each main level can be configured to one of its two sub-levels. The second sub-level of the High can be further configured to different brightness levels or strobes.

  • Basic Operation
    • Short click turns on the light to High or turns off the light.
    • Long click (press and hold for about 0.6 seconds) turns on the light to Low.
  • Advanced Operation and Configuration 
    • Short click turns on the light to High. Short click again quickly to cycle from High to Medium, and Low.
    • Press and hold to cycle from Low to High, release to set. When press and hold, the light always cycle from Low to High regardless which level you are currently in.
    • Double click to toggle and select between the two sub-levels for that main level. Sub-level selections (except the strobe) for the 3 main levels are memorized after the light is turned off and through battery changes.
    • The second sub-level of the High can be configured after 6 double clicks. Double click (startng with the 7th) to cycle and select different brightness levels or strobes. Short click to turn off the light when finishing configurations. The selections for the second sub-level of the High are memorized after the light is turned off and through battery changes.
Accessories in the package

  • Pocket clip
  • One black silicone holder with headband
  • One GITD silicone holder
  • Two o-rings


User Guide

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Customer Reviews Average Rating review
Leggera,piccola e soprattutto potente, con una semplice AA riesce a restituire i 200 Lumen. Zebralight rappresenta la differenza tra un punto di luce e l'illuminazione vera. Tasto di accensione perfetto, unica nota dolente la mancanza di memorizzazione dell'ultima selezione utilizzata. Grazie Zebralight.
Reviewed by: a user from Ragusa (Italia). on 5/31/2013
outdoor junky
The H51 is by far the best all around light I have ever used. I absolutely love it. I take it everywhere I go. The beam is a prefect combination of spot and flood. It's only weakness is its not a good tactical light, but it was never intended to be. My only wish is that it would be updated to the CREE XP-G2 to give it even better runtime and brightness. If it happens I will buy another.
Reviewed by: a user from Utah. on 1/18/2013
biking, hiking, sailing
The H51 headlamp is lightweight,compact, bright, flawless beam, excellent durability, and uses an inexpensive AA battery. The swivel design even allows looking upward...few models can do this. Nice range of brightnesses. Takes a little while to learn the user interface, but once you do, it's quick and very useful. I can now put away ALL the other headlamps!
Reviewed by: a user from Plymouth, MI. on 9/9/2012
Non-Existent Customer Service/Support
No light is ever 100% perfect nor will it last forever. If you ever need service, good luck. Zebra Light's customer service is non-existent. You should test out the customer service before purchasing any light, from any company.
Reviewed by: a user from NJ. on 5/6/2012
This was the first Zebralight I purchased, and I feel I have wasted money by buying other brands of headlamps with the false hopes it would or could perform as well as a Zebralight does. The H51 is perfect for 1001 tasks, and is so bright and reliable, I use it almost every day! It has paid for itself so many times, I'm am looking to buy another.. This was the light that got me hooked on Zebralights! Highly Recommended! Superior Quality!
Reviewed by: a user from Helendale, CA. on 2/4/2012
Very happy
Great light. You do have to spend a few minutes learning how to effectively control output power (and use it frequently enough not to forget!), but super durable and the high beam is impressive. You've got to love that it uses AA batteries too! The glow in the dark holder makes it easy to find. Before puchasing, I heard complaints about accidental turn-ons. Seems like they've recessed the power button to avoid this (redesign?). High quality and well designed product!
Reviewed by: a user from Colorado. on 9/20/2011
What a great little light!
Awesome light! I just received it today so no feedback yet on durability, but the quality seems excellent so far. I LOVE this UI! The pocket clip can be reversed as well and seems very robust. If you are looking for something light weight that's easy to carry daily, look no further!
Reviewed by: a user from Charlotte, NC. on 7/11/2011
H51 Headlamp AA 200Lm
The bright light very convenient. Similar competitors even close hasn't found. Well this lantern to complete with the demountable scatterer of light. An excellent choice.
Reviewed by: a user from Russian Federation. on 6/9/2011
great light
Great headlamp. Small, bright, solid, runs on AA battery, lots of modes and great UI. I don't think I'm buying another light for some time. :))
Reviewed by: a user from Bulgaria. on 3/1/2011
Very pleased with purchase.
Bought last week the model. Until now, used cheap Chinese knockoffs of $ 5-20. Immediately understood the difference. But do not let the bad news. Reviewing many similar class models found that ZebraLight is an order of magnitude better than the competition. I do not regret the purchase. And if again had to choose a lamp, it is ZebraLight and that H51 has chosen.
Reviewed by: a user from Ukraine. on 12/14/2010
First ZL Headlamp and very satisfied
The H51 is my first headlight by Zebralight and so far I'm very satisfied with it. I appreciated it very much that ZL subsequently included the removable pocket clip! The GITD silicone holder which wasn't included in my shipment probably due to the high demand for the light was reliably sent to me only a week or two later. I like the well spaced output modes, especially that there is a Moon mode. I'm really looking forward to the H51F as a supplement now.
Reviewed by: a user from Germany. on 10/18/2010
Great (new) light
I have the H50, 501 and 60; yet the reflector version of these lights combined with the XPG beam pattern is really the best combination of flood/throw yet. The smooth transition and size of the hot spot is perfect for walking or even biking and the low/low is easily accessed/perfect for night adapted vision. Clip included previously would have been nice; still (imo) the most functional light out there right now for its size and weight. Fit/finish/switch feel is spot on.
Reviewed by: a user from JS/Southwest Michigan. on 8/15/2010