I won this flashlight from Cyansky’s giveaway on BLF. The light just arrived this morning. Just wanted to give a quick mini-review of the light since its so new.
Here’s the link to their company page for technical details: HS7R Multifunctional Rechargeable L-shaped Headlamp – Cyansky Light
Box Contents
It comes in a pretty decent box with a magnetic folding cover to hold it shut.
The box contains a manual, spare o-rings, USB-A to USB-C cable, a thin mesh carrying bag, a 21700 USB-C battery, a headband, and of the course the light.
Headband
The headband/light come assembled as shown above pic. This one is pretty different from the other two bands I have (Zebralight and Olight prerun). The band material is soft elastic, similar to the Olight headbands. It is quite a bit wider, maybe to accommodate for the weight overall. The actual connector is made of metal, which makes it require a bit of force to remove the light from the it. It didn’t scratch the anodization thankfully when I removed the light. The metal bit also came slightly lubed to likely help the light rotate in the connector while on the head. There is also a clip on the underside of the loop which I guess can let you hook it onto another backpack strap or belt, but it may be a bit clunky with the strap in the way. In the 2nd pic, you can see the back side of strap uses a soft rubber connector.
The headband wasn’t too uncomfortable to wear, even with the metal plate on front. The band loop goes under the metal plate so there is some padding from it. The main concern is that this is a 21700 headlamp, and the total package is about 90g heavier than my 18650 Zebralight (213g vs 125g). I could see there being some weight or fatigue issues if running or long distance hiking. Of course, you get a brighter and longer lasting light in exchange.
UI
The UI is more reminiscent of old style lights for me. There are buttons for both spot and flood, but only one can be on at a time. Turning on one will turn off the other. Hold for 0.5 seconds to turn on/off/switch. Press once while on to change between brightness levels (low, medium, high, turbo).
If you do other button presses while off, the battery meter light under the spot button lights up. There is independent mode memory for both spot and flood. There is no strobe I could find (a plus for me).
Long press for 3 seconds to lockout and unlock. The light will turn on initially before flashing twice, turning off, and locking. Unlocking will turn the light into the low mode of whatever button you use to unlock. Plugging in to charge will also unlock the light. There is physical lockout by untwisting the tailcap.
There is a light sensor in between the lenses on the front. It will only dim the light down to the 2nd lowest brightness level. It can be disabled temporarily by double clicking the opposite button of the mode you are on. (So 2C spot button if on flood and 2C flood button on spot)
Beamshots
Excuse the crappy beamshots. Doing it without any white balance locking, on a light tan wood table, and at eyeballed similar brightness levels. The lights from top down is the Zebralight H600c (XHP50.2 4000K), a Convoy S2+ with SFT-40 6500k, and the Cyansky HS7R (SFT-70 6500k, 2x Osram P9 4000k).
This one is the throw setting. Tint looks exactly the same to me as the SFT-40
This one is the flood setting. The flood does not look that green in real life to me, but the camera shows quite a difference in tint with the Zebra.
Not too obvious, but these are against a off white (leaning towards green) wall. 
Throw. The spill is a lot smoother on the SFT-70 than my SFT-40. It looks to be a smooth reflector, but maybe a bit more curved near the led? So the beam is a lot less “ringy” than I would expect like in my Convoy.
Flood. It is a very smooth spill without distinct hotspot. I was surprised because this uses reflectors as well, but the double LEDs probably smooth that out nicely. I thought to be smoothed out, you would need orange peel, but I guess not.
Power/Battery
The headlamp itself has a USB-C port on the back of the head (directly opposite of the LEDs). There is a good amount of space around it so most cables should fit fine. The rubber plug over it does not seem particularly robust but should suffice. According to he manual, this port charges at 2A. However, the light does not support USB-C to USB-C charging.
The light will work without a battery (tested with unscrewed tailcap) with just a USB-A to USB-C plugged in to the head. Not sure on brightness modes will work for this feature.
The light comes with Cyansky’s protected BL2150U battery with 5000mAh. The link shows this model used to be micro-USB but it seems like it has been upgraded to USB-C. It was roughly at 3.5V based on a Xtar charger I tested it in. The battery itself is compatible with USB-C to USB-C charging! This I find odd since the light’s own USB-C charging port did not work this way. This is the first time I got a light where both the light itself and the included battery had charging ports, but maybe its just that Cyansky already had these batteries on hand.
In the pic below, you can see there’s two metal crescents around the post at the + end, which I think is physical protection against wrong battery polarity. I tried using an unprotected Sofirn 21700 I have, but there was rattling and light wouldn’t turn on. I think you would need button top batteries, but likely not protected as the docs claim light has low voltage protection.
The docs point out when the power gets low enough, it will blink the main LED 3 times every 3 minutes, which may be an issue for some people. The button will also continously blink rapidly but hard to see when on your head.
Sofirn flat top from LT1S compared to the included battery:
Manual
Not much to say here except its well written IMO. It covers all the features I could find.
Other Thoughts
- There is no true moonlight with the lowest possible being 50/15 for spot/flood. Also, low CRI on flood.
- It’s very bright and I would be happy on that bit if I bought this. My other flashlights are 18650, so nothing to really compare lumen-wise. I’ll have to go find an empty field at night sometime to see how well it does outdoors.
- The light UI is not very complex, so should be easy to hand off to someone not familiar with it.
- I would think this is a good option for blackouts, casual camping, or caving where weight is less important and long runtime is good.
