Thanks for such positive comments! Answering the questions: The battery lasts about 45-50 minutes at 100%, and about 2 hours at 50% (probably the electronics have higher efficiency with less current). The charging time is about 8 hours (the controller limits the charging current to not overload the USB charger). As for the thermal protection, the controller has a negative temperature coefficient (the current is reduced as the temperature rises). However, it was not needed, the housing is large enough to cool the LEDs without any problems. I think I could even apply more power
Li ion batteries can be easily charged with a current of 0.5c. And this is for any capacity 2 hours. It is enough to install a 5.5 or 5.2 connector there and charge it with a charger from a laptop, or any other 12-13v .. If the controller limits the current, then it is better to replace it, since there are a lot of them on aliexpress. I also wanted to make a powerful flashlight, but I ran into a problem in finding an LED, many well-known brands of flashlights have small but powerful diodes, and large and low-efficiency assemblies are on sale .. I wanted to do something like yours, but with an adjustable focus and lens, with a power of about 50w on the assembly 3s 5200mAh from a quadcopter, they give a high current and quickly charge, and with such a size of the case, 50w will cool quietly .. And what would certainly be possible to make the cooling fins of an even larger area, taking a cutter 1mm thick and making grooves 1mm apart ..
- Look ... What is this? - This is a car? Motorcycle? - No, it's "The Man with the Flashlight." He came from the pitch-black , To take us out of the dark. His super flashlight turns night into day... and His name is "The Man with the Flashlight"
That's a beauty. Made from almost scratch from the barest parts, and so solid too. Loved the use of screws to fasten the parts, that's gotta be one solid package. I get that it's not a commercial product, only a toy made for fun, but if only it had any waterproofing and like a 5 or 10% mode, I'd want one of those. 🤩
Besides the result, the best part is that nothing is glued to death, even the cells are covered with tape, could disassemble everything anytime, wouldn't make sense but it would be possible. Great work 👍
Nominal voltage for a 3 cell lithium battery is 11.1v. To produce 30w of power takes 2.7 amps at that voltage. The cells he used were 3500mA/h, which if 100% efficient would give 1h17min, but realistically it'll be more like 1h due to wasted power in both the driver and step up converter. Lithium cells last a lot longer if you don't fully discharge so limiting it to 45min would be best. I think he should have doubled the number of cells, and instead of 50% have low power be more like 10-20% as it's still way brighter than you need for most situations. Still a great build though.
@@mihanovak2228 nah it’s not. And don’t pretend you could‘ve explained it this flawlessly! No need for spewing defamation just because someone else was better than you...
@@JPEight It is enough to install good batteries there and not worry about their resource, they are not so expensive, and it is not so difficult to replace them, 6 batteries in that case would not fit, but a ready-made battery for radio models would fit in there. Rights they are expensive, from - for the given current in 25c. And here this is not necessary ..
You are right about batteries being not that expensive, but I’d still rather they didn’t need replacing regularly. Obviously there’s not enough room for 6 but nobody forced him to use that length tube...
@@joshfoley8862 Knurling is certainly good .. but it’s cold to hold on to the metal .. and with gloves, it’s not going to slip out of your hands at all.
Beautiful design and really nice build quality! I love the design. Nothing wrong with good quality cob leds..... but if you do a bit of research and poke around ......look at some of the Cree XHP LEDs… Like the ones used in the convoy L6 and M3… I think you’ll be amazed at what you could do if you grouped a few of those together in a light like this. Wonderful craftsmanship! Keep it up!
Dude, you're doing great things! I really like this flashlight, if I could find the ready-made electrical components, I would make one too. Beautiful video! keep it like this 👍🏼❤️
"When you need to see something on the moon". I frickin' loved this, great vid. I also found myself chanting, "Anodize! Anodize! Anodize!" as soon as you made the first section :)
Excellent ! Very nice job without unnecessary things. What I miss in stock production and you did here is separation of switches for mode selection and on-off. Well thought project, congrats !
Your definitely a engineer,or have extensive electronic training and experience. Good job. We need you to label everything and every connection please. Thank you for the video! How to know which will raise the voltage etcetera
Great job! This looks like it is super bright! The forest footage in the video reminds me of some of the paranormal investigations I've seen on youtube of so called haunted forests and such.
Brilliant. What a solid build! One thing though. You’re aware that DC-DC step up Converter with adj. Constant Current exist? Could have made your life a little easier, I guess.
wow, i'm a flashaholic and at begining i wasn't liking the idea of that chunky flashlight. but it turned out soo good, oldschool and **functional** that i really liked it, it just works!, no stepdown, no fancy modes... it just works
that flashlight is cool. it's so big you could add a camera lens adapter to change focal length.(a telephoto lens could be a laser. thanks for the nicely done video.
Very nice craftsmanship! Like the modularity! But U would add knurling and mayby elocution along the handle area and swap the USB micro B for a Type C port.
Excellent ! I am sure you have good experience on turning, fitting, engineering and electrical/electronics circuitry besides excellent workmanship ( the soldering skills shows it )give it a chance to make it mass produced, it will be a hit ! Best luck
