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A look at a simple flashlight hack that will increase your runtime by almost 10 minutes, and can increase your brightness by 15%. This modification is called a spring bypass. What you essentially do is to place a piece of copper braid at the top and bottom of the battery spring. The braid is shorter and more conductive than the spring and will allow the light to run more efficiently. This can be done easily with some copper de-soldering wick, some solder and a soldering iron and a small pair of pliers. Please make sure you practice a bit first, because flashlights are very sensitive and it is very easy to destroy components, or melt your plastic switch if you apply too much heat.
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Can you demonstrate what you did???
I remade my spring using beryllium copper. The run time was increase thirty five minutes. The brightness was upped twenty five percent. Now that is a real improvement for a high power NEBO light. The fix really worked. Thanks so much for letting us all know on YouTube. Happy New Year to sir and many more to come. V
I think it is physically impossible to lower the resistance and increase run time at the same time.
Lower resistance = more current = less run time
I need your help trying to fix my flashlight i bought one on line and when I turned it on think something went wrong cuz it smelled burned what would that be its a rechargeable flashlight
Brilliant my flash lite has a mind of its own, I think from the switch side. I will be doing this hack so I thank you very much for your time and engineering 🙂
Thanks 412 – It works! I did it on two of my cheap chinese zoomables! I don't see a problem with the solders and the increased load on the LED chips. So far so good. Probably won't try it on my mountain bike lights though due to vibration.
A piece of aluminum foil a 1/8 thick will work to.
How about using Deans Wet Noodle wire ???? Supposedly the best wire with ultra small number of conductors ??
To much talk! Just show how to do it pls
stupid explatnation
stipid vlog
Good idea
Omg, show it! I wish someone would actually show the soldering of the piece you're talking about! I wish you had showed #1: what the "braid" looks like #2: the work you did so I can actually do it myself! Why did I sit thru this to listening how to do something when the person "teaching" doesn't SHOW how! Smh
Can you tell me where I should get my replacement switch for my Fenix LD20 AA flashlight?
This is pure SNAKE OIL . Just go measure the resistance of those springs which will be 0 ZERO ! Perfect 100% continuity . Does NOT require ANY help in conductivity at all . This as he says is more geared to dummies who wish to break their flashlights . This foolery is NOT recomened at all …. unless you are a fool .
I’d love to see a start to finish video on “How to”, please! Thank you very much.
Is it soldered to the bottom of the spring or the spot where the spring touches or is it only soldered at the top of spring and only touching the surface below?
Awesome from point 88 amps to point 99amps thnx a lot….
"eyes see brightness algorithmically"…. its not software bud.
You explain things very well indeed, but, you do not demonstrate or show the step-by-step process. But-never-the-less, you just gave me a wonderful idea on how to increase the performance of a sex toy.
How about show me dont tell me?
"I'm Scott Malkinson. I have diabetes."
Found him, for reals.
How about just stuffing the inner coil with common copper strands balled up? It would create less resistance with the mass increase contacting many parts of the inner spring.
I got $10 says he didn't solder those tail caps himself. He is so in love with his own lispy voice and the numbers he tells us. If he had been able to solder he would have shown himself doing it talking the friggin time. I call bullshit.
Thank you
Tutorial please
Well this told me nothing…