My DIY foam ball integrating sphere, which is now calibrated against the average of 3 Fenix HL55’s. I don’t expect my numbers to be extremely accurate, but close enough and they are definitely consistent and repeatable.
Look closely at my 3rd pic in post#79 above. You can see the edge of the dome looks nicked. Output looks normal without any weird beam artifacts or weird tints, so I assumed it wasn’t anything serious. I do have one more Nichia 219C left and could try that one, but I kinda feel like leaving well enough alone.
Just a comment on the included Boruit “4000mAh” 18650:
Recently ordered some of the other Boruit headlamps for trying out, including the above EHL0628 (single “L2” LED) and another very similar headlamp but with dual “G2” LEDs. I ordered the package which include 18650s.
The Boruit “4000mAh” 18650s from the recent batch I ordered arrived last week and I did capacity test — these new batch Boruit 18650s now register only around 1200mAh capacity (0.50A discharge rate using MC3000, from 4.20v to 2.50v cut-off)
(I checked my previous Boruit 18650 with around 1600mAh capacity, which weighed around 39.3grams; whereas the new batch Boruit 18650s weighed around 37.0grams and around 1200mAh capacity)
Dang, I totally missed this headlamp because I thought it was about the other Boruit! The other model has worked great for me at work but is about the size of a RedBull can compared to this one.
Thanks for all the info and modding tips!!! Now I just need to find the best deal and patiently wait for round-the-world shipping.
I work in a production shop that is too broke to replace failing lighting and even with proper lighting it’s difficult to see inside machines for repair. I’ve turned my fellow employees on to headlamps and they now reach for them rather than trying to work on things one-handed with a standard flashlight. This type of safe, rechargeable, effective headlamp is a blessing.
BLF FTW!!
edit: JasonWW, WTH is that battery you posted?!!! unfreakingbelievable
Unno, I got a RJ02 (the “Red Bull can”?) and am quite happy with it.
But yeah, when I couldn’t find my ’02 and had to grubble around in some boxes, I was loathe to do so one-handy with a regular light, then remembered I had it hanging on the doorknob by the headband.
Sorry, exaggerated for clarity. “Mini energy drink can” is more like it.
The LVP, higher PWM frequency, and reduced size of this one is hard to beat.
Don’t use aliexpress much so I’m loading up the cart.
Aliexpress is like ebay. Many stores under a common payment system. So you can buy a lot from a single store and it should ship together. If you buy from a lot of different stores, they will come from different locations and take different shipping times. Some stores are more reputable than others.
Last time I ordered about 6 items and every one of them require a signature, so a trip to the post office very time. Will try to avoid that this time.
Any idea if there’s room for a magnet in the tailcap?
Wonder if repeated removal from holder will make it lose its grip.
It would need to be as thin as possible to fit inside the tail cap. I think the magnet you’re talkin about is the ring style which mounts on the outside of the tailcap. If you don’t mind a magnet on the outside then there are several different sizes to choose from.