Greetings,
Welcome to my review of the latest headlight from Olight, the Olight H1 Nova.
So, what do we have here?
1. The flashlight is very compact. It’s length is only 58 millimeters, that is even shorter than the S1.
2. The optics are heading sideways, the button is where the reflector usually is.
3. Finally, a neutral white version for a regular, not limited series flashlight. This is a great change from Olight.
Shall we begin?
The headlight comes in a small palstic box, and you can clearly see that there is another one located inside it.
Inside the cute black box (the box can be purchased regardless of the headlight) you can find the headlight with the battery (non-rechargeable) inside, a pocket clip, user manual and a leaflet with the latest offerings from Olight.
The clip is very similar to other Baton series clips. Anodizing took the clip installation and removal well, it did not leave a mark on the flashlight body.
The headband is soft and sits very well on the head. The headlight can be easily installed/removed from the band.
Here is it. It might be the cutest Olight flashlight I have ever seen. It is a pleasure to hold and behold 
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The battery sits with the negative lead towards the head of the flashlight, unlike most of other flashlights. The magnet in the tailcap cannot be removed.
Comparison with the S1, overall size estimation.
Olight has a S1R model available. That flashlight has battery charging ability, by means of a special taicap, that has all the charging logic inside. So… this tailcap is compatible with the H1. While it is attached, the headlight gets battery charging capability (only the Olight proprietary one) and also can work while being connected to a power source, prolonging battery life.
Comparison of the cool white and the neutral white versions. The tint is not so bad as the picture might suggest, the cool white does not seem to have a big tint at all, without being compared to another flashlight. At the other picture you can see a beamshot comparison between the S1 and H1. The neutral white version has N letter on the body, the cool has C.
Controlling the little cutie
A short click will switch the flashlight on and off.
Holding a button from a “off” position will turn on the flashlight in “moonlight” mode.
Double click from any position will switch the flashlight to “turbo” mode.
Triple click from any position will switch the flashlight to “SOS” mode.
Holding the button, while the flashlight is on will switch modes at the following order : “min~~med>hightmin~~>…”
At two maximal brightness settings the flashlight will turn on/off smoothly.
Action
You can see the neutral and cool white versions at action. I like the neutral white a lot better.
The headlight is a great tool when in use. The light does not blind you, you get a great all around illumination. It is not a thrower, but for headlight you usually need close range illumination - and it excels at this field. Even the moonlight mode is very usable - you get to see all around you, but not get blinded by the bright light.
Conclusion
Great little light, without real cons. An option to upgrade it to H1R (if you happen to own S1R) is a very nice touch.