thank you. Thank you for taking away such an old flashlight. It's a National (currently made by Panasonic) light. In Japan, it used to be a staple item in most homes. from Japan
@@micha3502 But if you have them in parallel, sure it will take longer to charge, but the flashlight will last longer on a single charge, so isn't that better?
I really enjoyed you video. I watch them all. In UK Li-Ion batteries are very expensive. I converted a similar torch to 2S x 18650 and 1W led. The led works fine with 4.2v and lasts for hours. No need for voltage convertor and much less cost of batteries.
@@gear_show You might be interested in my new video. It is making a small gear puller for small electric motors. th-cam.com/video/UC-6KvAKliQ/w-d-xo.html
One of the coolest videos i ever seen honestly!! I really want to do this with old VHS video camera batteries from the 90s cause those cameras back then would drain the battery in like 2 hours.. lol
Brother the led always wants excessive current that would produce more heat and there are more power losses i recommend you to use 2 lithium ion battery of 3.7 volt in parallel and remove the 12 volt lithium ion battery and also remove converter and use a 10 ohm 1 watt resistor in series to led and bateery that would runs longs
It would be more efficent to create a 1S 4P battery pack as this woud be colser to the required voltage. this is better as the power wasted (causing your heating issue) by the buck converter (it would be a boost converter with my suggestion) is proportional to the size of the voltage change between its input and output. I loved the video btw.
That with losses being proportional to the voltage change only applies to linear regulators (which works basically like variable resistors). For a buck converter, the higher input voltage is used to store energy in an inductor, which is then released thru the freewheeling diode - which gives more current to the load than what's coming in on the input. It works pretty much like a transformer, but for DC. Same but the opposit, applies for a boost converter - energy is stored in the inductor that is then used to boost the voltage. A boost converter will always have higher input current, as long as the output voltage is higher then the input voltage. Both buck or boost converters have 90% efficiency or more, if it's a good design. I think the main problem he had with the first buck converter was that it was simply too small, so it was overloaded (which increases the losses significantly). No LEDs can be driven directly from the batteries anyway - they always need a drive circuit. It's not like a typical resistive load, such as the incandescent light bulb that was in the flashlight before. An LED can be barely lit at for example 3,8 V while it may blow up at 4,5. The voltage of the batteries usually varies way too much depending on their state of charge. The forward voltage is also temperature dependent, so they may run fine on a certain voltage when cool, then they become overloaded when they have been on for a while and get hot (a driver will usually compensates for that by lowering the output voltage slightly, to keep the current constant).
I do like this project. I thought about transforming such type lights myself. Thanks for posting it and keep them coming. I was wondering about the power controller getting hot. You are controlling a lot of current. Heat sink(s) are important. Thumbs Up!
Thumsup for this video 👏 when I was 5yrs old my father brought a lantern rechargeable torch it had double pin charger pin torch with yellow flash I think it was geepas torch exactly like this light sweetable childhood memories 😊
It so nice to see new life breathed into older power tools, I really enjoy the lithium ion conversions as well. Your channel inspired me to fix a broken sawzall that was about to see the trash. After watching your channel I’m determined to try and fix instead of replace
Obsolutely the best informational video, cant wait for thr next video. Really good thing is ur old videos has same logic lots of information amd practical solutions 👍🏻👍🏻👍🏻
I'd imagine its because the washing powder granules might have a slight abrasiveness to them to begin with which might help move dirt easier where as the washing liquid relys on its degreasing potential. just to add after working on my car if I don't have any proper stuff to get oil and muck off I will use washing up liquid with a spoon of salt or sugar that helps greatly to remove the dirt.
이 영상을 보는 모든 분들이 존재하는 그 자체로 가치있고 충만하고 조화(造化/調和)로운 하루 되기 바랍니다. 정말 고맙습니다. 사랑합니다. I hope everyone who sees this restoration clip will have a valuable, full of happiness , and harmonious day in itself. Thank you very much. God bless you! I love you.
Waste of materials, why do you put a buck converter to reduce 12v to 4.12v to feed the led?? Why do you make a 12v lithium pack? You could make a 4.2v pack litiuhm and a simple tp4056 to charge the pack
Thank you for asking me, there are few reasons I did that. - 12V battery pack is faster charge that 4.2V - Buck converter provides stable voltage to LED - I can charge them with the same charger of my power tool
Well done, the buck converter went hot coz you are reducing half of the battery power, it must reduce or increase small amount only, what about if you swap the plastic front clear glass with a real clear glass one?!!keep up the good work 👍🏻
The Best channel of the world.
Rôeododpdrpprpe0e0e0e0ee0e0e0ee0e0e0e9e9e9e9ee9e9e9e99ee99e9e9e999oodoodododdorodoe9pppppppppo9pppppppppppppppppppppppppppppp0oop00pppppppp00pppppppppppppppppppppppppppppppppllllllllllllloooe9rr9r9e9e9eeoeoee9eoeeoeoe39e9339339339393939ee9e9e9e9e9oeeoeoeoeoeoee
.
@@quoctuantran8197٠٠
He really likes your work. You are creative👍🏻👍🏻✅
I want to know which country are you from?
You.re best 👍👍👍👍👍
Thank you!
Good Restoration Flashlight made in Japan 👍
You keep my mind at ease good sir, never stop!
Thank you!
Great work👍
Thanks ✌️
0:51 ha! Face reveal at this time stamp! Great job gearshow
😄 funny mistake!
Chinese face
Were are you from, Bro?
I am from Indonesia.
Good job. 👍
I'm from Cambodia, thank you!
Good ideas and information 👍
Great job 👍
thank you.
Thank you for taking away such an old flashlight.
It's a National (currently made by Panasonic) light.
In Japan, it used to be a staple item in most homes.
from Japan
Nice to your video my big friend
Thanks for coming, my friend!
you can direct power to 4.2volt, put all cells in parallel without stepdown
I think so.
Charging 6 cells in parallel will take ages because of the capacity :P
I think so to
@@micha3502 But if you have them in parallel, sure it will take longer to charge, but the flashlight will last longer on a single charge, so isn't that better?
Jj
Happy 500k in advance 🎉
Thank you in advance :)
VERY GOOD VIDEO!!!!!
Thank you very much!
Nice one mate
Thanks for the visit
I really enjoyed you video. I watch them all. In UK Li-Ion batteries are very expensive. I converted a similar torch to 2S x 18650 and 1W led. The led works fine with 4.2v and lasts for hours. No need for voltage convertor and much less cost of batteries.
I'm glad you like my videos. I build 12V battery pack for fast charging reason. Anyway thank you for sharing.
@@gear_show You might be interested in my new video. It is making a small gear puller for small electric motors.
th-cam.com/video/UC-6KvAKliQ/w-d-xo.html
I am addicted to ur restoration videos.
What do u do with all these products after restoration?
I'm so glad you like all my videos. All these products are in my workshop.
Simple, easy and fun project. I enjoyed watching this one. Thanks!
Ok
One of the coolest videos i ever seen honestly!! I really want to do this with old VHS video camera batteries from the 90s cause those cameras back then would drain the battery in like 2 hours.. lol
Yes, you should try it. I've been to apply this concept to my old tools.
@@gear_show sir please pawar bank Nime
Brother the led always wants excessive current that would produce more heat and there are more power losses i recommend you to use 2 lithium ion battery of 3.7 volt in parallel and remove the 12 volt lithium ion battery and also remove converter and use a 10 ohm 1 watt resistor in series to led and bateery that would runs longs
Hello. Great project and beautiful restoration, I liked it👍
Nice 😊 brother
Thank you so much 😀
Good Job, verry nice.
Advanced Congratulations for 500k 🥳
i,d really like japanese flashlights!
You restored a dirt cheap plastic flashlight 😐 👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏
Very nice 👍
Thank you 👍
It would be more efficent to create a 1S 4P battery pack as this woud be colser to the required voltage.
this is better as the power wasted (causing your heating issue) by the buck converter (it would be a boost converter with my suggestion) is proportional to the size of the voltage change between its input and output.
I loved the video btw.
Yes, he did a 12v pack useless
That with losses being proportional to the voltage change only applies to linear regulators (which works basically like variable resistors). For a buck converter, the higher input voltage is used to store energy in an inductor, which is then released thru the freewheeling diode - which gives more current to the load than what's coming in on the input. It works pretty much like a transformer, but for DC.
Same but the opposit, applies for a boost converter - energy is stored in the inductor that is then used to boost the voltage. A boost converter will always have higher input current, as long as the output voltage is higher then the input voltage. Both buck or boost converters have 90% efficiency or more, if it's a good design. I think the main problem he had with the first buck converter was that it was simply too small, so it was overloaded (which increases the losses significantly).
No LEDs can be driven directly from the batteries anyway - they always need a drive circuit. It's not like a typical resistive load, such as the incandescent light bulb that was in the flashlight before. An LED can be barely lit at for example 3,8 V while it may blow up at 4,5. The voltage of the batteries usually varies way too much depending on their state of charge. The forward voltage is also temperature dependent, so they may run fine on a certain voltage when cool, then they become overloaded when they have been on for a while and get hot (a driver will usually compensates for that by lowering the output voltage slightly, to keep the current constant).
Charging will be a problem with 1s4p ( no any BMS & charging module to keep the unit safe ) . Using Buck Converter is a best solution.
I do like this project. I thought about transforming such type lights myself. Thanks for posting it and keep them coming. I was wondering about the power controller getting hot. You are controlling a lot of current. Heat sink(s) are important. Thumbs Up!
Thank you very much, I have been waiting for you eagerly and have benefited from your work in remanufacturing a flashlight
Nice video though 👍
Very nice G.S... Thx for taking us along...
Excellent👍👍👍 . Thanks for sharing
New jump start as gift👍
Excellent emergency flashlight rechargeable and everything?
I like this dude he shows it all mistakes an all great posting :-)
Good work or aise video banaiye
Very beautifull jab mashallha
thank you teacher
Nice video continue 👏💯💯💯💯
Good work! Thaks the video! Nice flashlight.
Dear Sir
Its more than perfect restoration.
Jaaaaaaa...Muy Bien my Friend...Saludosss ji ji ji
Top restoration 👏👏👏
Amazing work
Thanks again!
nice i love ur videos
Excellent project. I liked it ! My idol !
Merci 🙏 vous faites de beaux travail
Your videos are so inspiring. I hope to be able to do some of that work in my free time in the future.
We conduct
Another great job ❤
I think it's a modification, not a restoration, but I like this one.
Yes, I'm glad you like it.
Thumsup for this video 👏 when I was 5yrs old my father brought a lantern rechargeable torch it had double pin charger pin torch with yellow flash I think it was geepas torch exactly like this light sweetable childhood memories 😊
It so nice to see new life breathed into older power tools, I really enjoy the lithium ion conversions as well. Your channel inspired me to fix a broken sawzall that was about to see the trash. After watching your channel I’m determined to try and fix instead of replace
Perfect 👍
I can see why you have so many subscribers. Excellent high quality videos. I have a lot of improvements to make.😂😂😂
Cheers Stuart 🇦🇺
Thank you so much :D
@@gear_show pawar bank Nime
Oh, I've seen same one at my home 25 years ago.
Hi Genius Tinkerer, LED lamps can have a prism to accentuate the light output. I love watching your videos, good luck!
Cool, thanks for the tip!
Where are you from?
The planet earth. 🇬🇧👍
Nice bro
I want such a gift too 😀
Restoration and modernization 🔥🔥🔥
Bro your videos are very informative can you introduce your atelier +1
Nice 😀👍👍👍👏👏🔔👈❤️🇮🇩🤗
Obsolutely the best informational video, cant wait for thr next video. Really good thing is ur old videos has same logic lots of information amd practical solutions 👍🏻👍🏻👍🏻
Mr gear show or Mr creative 🙏🙏
Mr Gear Show
Sir please pressure washer restoration
good job👍👍👍
good job
14:57 but reflector is heat should reduce volts at buck convertor 4.2 to 3.3.-3.5v led will heat less
Good job, I Always watch your new video, I am From Indonesia, sorry if my english so weak
Beautiful Work.
Estupenda restauración de esta linterna japonesa vintage, respetos desde Venezuela.💯🤜🔥🤛👍🙏💯
Нцочкиое
Is there a reason you always use washing powder when cleaning the plastics, rather than a dish soap liquid?
I'd imagine its because the washing powder granules might have a slight abrasiveness to them to begin with which might help move dirt easier where as the washing liquid relys on its degreasing potential.
just to add after working on my car if I don't have any proper stuff to get oil and muck off I will use washing up liquid with a spoon of salt or sugar that helps greatly to remove the dirt.
Los materiales de muy buena calidad perduran en el tiempo felices alumbramientos
Why don't you use 1s battery . It easier and more effective . Your skill is so good
이 영상을 보는 모든 분들이 존재하는 그 자체로 가치있고 충만하고 조화(造化/調和)로운 하루 되기 바랍니다.
정말 고맙습니다. 사랑합니다.
I hope everyone who sees this restoration clip will have a valuable, full of happiness , and harmonious day in itself.
Thank you very much.
God bless you! I love you.
You're welcome, I hope so. I'm so glad you love this clip. Thank you! I love you too.
@@gear_show ^_____^! ★♥
very nice
Omg! i have one of these they are like headlights of a car
*What is the need of using buck converter U could hav connected the cells in parallel instead of series to get 4V output for the LED light*
I build 12V for fast charging reason.
@@gear_show fast charging is also possible @4V, This is waste of energy in Converter
👍👍keren
You can restoration drill Milwaukee
Looks like the engine bay of my Toyota RAV4.
What emitter did you use? Should have used a warm emitter, around 2700K to keep the same color temperature as the stock light.
Great video sir l love your all videos thankyou very much for this video 🙏🙏🙏🙏
Waste of materials,
why do you put a buck converter to reduce 12v to 4.12v to feed the led?? Why do you make a 12v lithium pack? You could make a 4.2v pack litiuhm and a simple tp4056 to charge the pack
Thank you for asking me, there are few reasons I did that.
- 12V battery pack is faster charge that 4.2V
- Buck converter provides stable voltage to LED
- I can charge them with the same charger of my power tool
Restoration gun video pls
good hit🇮🇳👍👍 Kuki
Even a child can restore this flashlight
Bullshite alert 🇬🇧👍
I liked it and today I made a new guitar chord it uses Em-C-G-D
Yes, great job.
Nice vintage well done.
Witam good jobb 👍 poszukuje latarka z ciepłą barwa wysokie CRI rozmiar tak koło 34 mm reflektor do 50$
👍👍👍👍 sir
Thank you!
@@gear_show welcome sir
You deserve this gift
congratulations
I like your all works. I see more your videos
Очень даже неплохо 👌 лучше чем было однозначно
Well done, the buck converter went hot coz you are reducing half of the battery power, it must reduce or increase small amount only, what about if you swap the plastic front clear glass with a real clear glass one?!!keep up the good work 👍🏻
Os melhores vídeos.
Why you series the batteries instead of parallel?
To think that before everything was done in Japan, and it lasted a long time. Now everything is disposable.
Love the channel keep doing your thing