Wurkkos TS30S Pro, opinions?

https://lemmy.ml/post/46962519

Youtube - Building an LED SUPERNOVA!

https://slrpnk.net/post/37400465

Youtube - Building an LED SUPERNOVA! - SLRPNK

It’s a portable light source, technically a flashlight

The primary reason why #flashlight companies are making flashlights with non-replaceable batteries is #PlannedObsolescence, because in 3-5 years, when that battery no longer holds a decent charge, you will be forced to buy a brand new one, and the old one will become #eWaste.

Meanwhile, my 20+ year old Leatherman Serac S3 is still a perfectly viable instrument, and the same would be true of any new light designed around standard Li-ion rechargeable cells (14500, 16340, 18350, 18650, 21700).

[Review] Wuben X1 Pro – high-power flashlight with active cooling that fits into your pocket

https://lemmy.world/post/45908744

典藏館|014|🇰🇷🇺🇸|韓戰美軍軍用「Made in Hong Kong」電筒|feat. 傅立言
https://www.youtube.com/watch?v=KWl13amDPbg
典藏館|014|🇰🇷🇺🇸|韓戰美軍軍用「Made in Hong Kong」電筒|feat. 傅立言

YouTube

Cell welder advice?

https://lemmy.ml/post/45614535

Cell welder advice? - Lemmy

I’m wondering if there is a decent affordable cell welder. Purpose is rebuilding tool batteries and that sort of thing on an occasional basis. K-weld has been recommended but is pretty expensive and might be overkill. https://diy500amp.com/ [https://diy500amp.com/] has a bunch closer to my price range but might be underkill. Any thoughts? Thx

Mal*Wart 2x2032 27 gram headlamp

https://lemmy.ml/post/45257951

Chemical lightstick lumen/runtime test request

https://lemmy.ml/post/45192528

Chemical lightstick lumen/runtime test request - Lemmy

I wonder if someone here with suitable test equipment could run a graph on a chemical glowstick, the ordinary 12 hour kind, not a special fancy one. I’m basically hoping for a rough estimate of the lumen output and its decay over time. I did a bit of web search and got drastically varying numbers. I guess I could make an eyeball estimate, but would want to use a reflector of some kind for the ceiling bounce. Does anyone know if reflectors like the below are still being made? Of course I can DIY one if necessary. Web search didn’t find anything quickly, but it’s difficult to keep the results relevant. https://www.worthpoint.com/worthopedia/nos-vintage-glow-stick-lantern-1960s-4706797024 [https://www.worthpoint.com/worthopedia/nos-vintage-glow-stick-lantern-1960s-4706797024] I’m quite dubious of chemical light in this day and age, but they come up in discussions sometimes, so I’m interested in a concrete comparison against flashlights. Thanks!