Hate to break it to all the people that commented below.. But this does work in a pinch. Someone stole my battery charger an I had one of these for electrolysis an used it to start my 2001 Mustang this morning. It was clicking. So it wasn't that dead so I fig it would work. An it did !! Good job.
This won't charge your 12v battery more than 30% because the voltage is same or less(11.98volts). for a 12v battery you must have at least 14v to charge it to 90%. The voltage of the charger should be higher than the battery voltage, this is a rule in electronics.
True enough. It will, however charge an automotive battery sufficiently for the battery to start a vehicle &, albeit just barely, provide switching voltage to the alternator which can then finish the job. I would obviously recommend disconnecting the diy charger before cranking to avoid damaging it. It's a close margin, but a dependable one.
Good work To protect the ATX again short circuit. It will be better to connect the Green wire (power on) to Relay contact with black wire. And to energize the relay with the 12 v or 5 v accorditly.
For best charging batteries you have to use at least 2 mode charging. Boost charge (for 12V batteries around 14.5Vdc) and Float Charge (for 12V batteries around 13.5Vdc) . And the charging current should be maximum %20 of battery capacity. for 9Ah battery it is max 1.8 Amp. Otherwise battery life drops down or cant be charge as well. And i am ignoring temperature charge compesation .
You need 14,4 to 14,6V to charge it full. Then it has to stop or hold 13,6-13,8V so there is no constant hydrogen production and loss of water. Then you need to control the current when charging, so you will not damage small batteries. You need to modify the electronics for that. That's possible but I do not know someone who has done it on youtube.
You need to modify the bridge voltage in the feedback between secondary and primary in the power supply , to set voltage to 13.8c or 14.8v. Look at the Varicap Diode 431. Or, install a DC-DC converter inside the power supply.
Power suply keluaran tegangan12volt DC murni,mau isi batt kering yg tegangan 12,4-12,7volt DC, ngisi sih,tapi cuma sedikit ga maximal.Harusnya keluaran power suply 14-15 volt DC yg kasar, maksud nya tidak pakai capacitor electrolite( elco) di keluaran +&- nya,ini baru bisa ngecharch maximum(full) ngisi nya.
@@SuperSayiyajin 12V and 5V together become 7V not 17V. If you want 17V, you can use +12V and -5V together, but current output is less, because -5V rail on PSU is only 1 - 1.5A
All you have to do as shown is connect green wire to black earth wire which switches on the supply. The output between the yellow and black will be 12 volts. A clever thing to have shown would be how to open Power supply and increase the constant voltage output to between 13.8 volts for sealed lead acid batteries and 14.4 for flooded lead acid car batteries by changing the voltage regulator components.This as it is total waste of time as batteries will never get to full charge without this being done. I cant be bothered to work out how to do and film! ( am electrical Eng)
This is very dangerous. Power supplies in general didn't design to charge batteries so there is no over charge protection built-in. When a battery is fully charged it will keep pushing more current until it burns.
Mmmm dos cosas. 1 falta colocar un diodo en la salida de la fuente para q cuando la batería supere el amperaje de la fuente no haga retorno, esto provoca q la fuente descargue la batería. Y con el diodo solo impedía q la descargue pero. No sé va cargar más de la corriente q provee la fuente. Ya que no es una fuente de carga, sino de alimentación. Tendrías q agregar un circuito simple. Con un regulador. 2 esas baterías se cargan con una mención de entre 12.7 v hasta 14.7 v. Cargándola con un voltage menor se reduce la vida útil de la batería.
12 Volts can't charge this battery up to 100%. You should increase output voltage up to 13.8 Volts for charging without time control. Also, needed a current limitation about 1/10 C. If you will increase output voltage, also needed increase protection threshold to prevent switch off power suply.
AK creativity thank for tutorial video its help a lot if me my old atx power now i used it to charge multiple battery thank u for your wonderful knowlegde
Can get 14 volts from these when using mixed combination of different volts+ and maybe- too? Forgotten. But if could get 14 v has it battery charging diode or not needed
Ok so you need 14,4 V and you have 5 black red wire, 7 V black nd yellow wire and 12 v with yellow and black. Ok led working but you can charge 12 v batt with 12 v supply-check it. But you have tl 451-change resistor and you can made a proper charger
This might work on a 5 cell lead acid battery however 12.6 to 12.8 volts is the resting 20 deg C voltage of a 12v wet cell battery. They generally start charging around the 13.4V mark.
You should know about battery charging system . Yellow line (12Volt ) will not charging 100% to battery . theYellow line should be higher than battery voltage . it should around + 14.30 V . and need to add voltage sensing idea for protecting over charging battery . for making 14.50 voltage to Yellow line , you need to modify switching power supply . the means that change resistor .
El cable amarillo y negro no suman ni 12 voltios y no será capas de cargar bien. Haga el invento bien. Es con dos fuentes coje de una 12 vol y la otra 3.5 vol y haces puente allí si te carga así que por eso te doy un nome gusta
when u join all the yellows n blacks together to make one output point could I instead of joining them together could I use them to power several 12v fans instead of again joining them all together to have just one big old connection instead of neatly one black yellow to each fan can this be done . thanks for ne ideas suggestions
This is better than one of your similar later dangerous versions, but it will still not work. Your need at least 14v, 12v is not enough and will not work!!!
you need at least 14.5 volts to charge a 12 volt battery but luckily you can put the +12 with the +5, +3.3 or even the -12 (note do not put the -12 with GND or it will short circuit.)I also 'm sorry but is that an instrumental cover version of dreams by fleetwoodmac with a mix of the cure?
it may work for a couple of minutes then it will shut down the PSU since it has a sensor for auto shut off when it has a short circuit due to battery's resistance :)
이런 전기는 아래로 흘러가요 그래서 13v ~14v 정도로 충전해야 해요 동영상 다시 찍어요 (This kind of electricity goes down. That's why we need to charge it between 13v and 14v. Let's re-shoot the video. ) 파워 서플라이는 +3,3 +5 +12 -12 -5 나온다 따라서 24v 17v 다양하게 하게 할수도 있어요 잘 연구 해보세요 Power Supply is... +3,3 +5 +12 -12 -5 is here. therefore 24v 17v. I can make you do a variety of things. You need to study it.
" NO CARGARA LA BATERIA ", PERO ESTO SE PUEDE CORREGIR ALTERANDO UNA RESISTENCIA QUE CORRESPONDE AL ANCHO DE PULSO DE LA ONDA Y SE PUEDE ELEVAR EL VOLTAJE DE SALIDA APROX A 14VDC O BAJAR HASTA APROX. 9VDC.
You're lucky the voltage is low, you have no current limiting, if not for the low 12v voltage rail, you could easily blow the power supply. Blow up the battery suffer burns. This very unsafe
Mit 12 V kann man keine 12V Batterie laden. Dafür braucht man 14,4V. Wenn er intern die Spannung einstellen könnte auf 14,4V dann klappt es. Aber das merkt er auch irgendwann
John Ruscigno is charging the lead acid at 1 amp could actually charge it? im currently charging my battery on a laptop charger rated 2 amps 19v and a step down converter to adjust the output to 14v for almost 16hrs now. but the battery cant get past 11.2v
charging on a DC current is detrimental to battery plates. what do most portable over-the-counter chargers have is place a 16v capacitor on a 13.8volt transformer to keep the voltage up and steady so the voltage would not drop back to 0.0volt , thus making the output stable at 13.8v DC. But this is bad for your battery because DC charging current shortens battery life. Have you ever seen a capacitor inside a car alternator? No? because only an AC current is allowed to charge your car battery.
![Seungmin "그렇게, 천천히, 우리(As we are)" | [Stray Kids : SKZ-PLAYER]](http://i.ytimg.com/vi/kAzmhLHePqU/mqdefault.jpg)
Hate to break it to all the people that commented below.. But this does work in a pinch. Someone stole my battery charger an I had one of these for electrolysis an used it to start my 2001 Mustang this morning. It was clicking. So it wasn't that dead so I fig it would work. An it did !! Good job.
thanks for watching..
Good tiching karte hai 👌👍👌👌👌
This won't charge your 12v battery more than 30% because the voltage is same or less(11.98volts). for a 12v battery you must have at least 14v to charge it to 90%. The voltage of the charger should be higher than the battery voltage, this is a rule in electronics.
True enough. It will, however charge an automotive battery sufficiently for the battery to start a vehicle &, albeit just barely, provide switching voltage to the alternator which can then finish the job. I would obviously recommend disconnecting the diy charger before cranking to avoid damaging it. It's a close margin, but a dependable one.
@@bobbofly Relying on the alternator to charge a battery from death's door is a good way to bring the alternator to death's door itself.
Can you explain why that is?@@FuckGoogle502
Can get 15 v and 24 v.. from this smps
You need more than 12V (around 14V) to charge the battery.
i think 12v still can charge but need much longer time
you help us to understand you give us the names to carry out your projects, you are the best teacher thank you very much
nice idea ❤️❤️👍
Thank you! 😊
Good work
To protect the ATX again short circuit. It will be better to connect the Green wire (power on) to Relay contact with black wire. And to energize the relay with the 12 v or 5 v accorditly.
Amazing videos
Thanks
Hello brother very good thank you
Thanks for this video
Most welcome
I was waiting for you to short out the psu....
Nice video, thanks :)
Thank you too!
ممنون خیلی کمکم کرد thank you
For best charging batteries you have to use at least 2 mode charging. Boost charge (for 12V batteries around 14.5Vdc) and Float Charge (for 12V batteries around 13.5Vdc) . And the charging current should be maximum %20 of battery capacity. for 9Ah battery it is max 1.8 Amp. Otherwise battery life drops down or cant be charge as well. And i am ignoring temperature charge compesation .
Very good
You a good experts
nice bro
thanks for this tutorial....
You're welcome 😊
Mantulllll 👍 👍 👍
You need 14,4 to 14,6V to charge it full. Then it has to stop or hold 13,6-13,8V so there is no constant hydrogen production and loss of water. Then you need to control the current when charging, so you will not damage small batteries. You need to modify the electronics for that. That's possible but I do not know someone who has done it on youtube.
Chung. Tôi. Gom góp. Xây. Dụng .thanh. Nền. Tang. Nganh. Nghề này. Hay. Qua. Vào. Máy. Sạc
You need to modify the bridge voltage in the feedback between secondary and primary in the power supply , to set voltage to 13.8c or 14.8v.
Look at the Varicap Diode 431.
Or, install a DC-DC converter inside the power supply.
Hello my friend. You are wright. What DC-DC converter you recommend to be the best for this purpose to buy from Ali express?
Wow! it's works..I tried it by my self.. thank you.
Are you dunb?
Can you spell?@@antoniskonstantakis5474
Power suply keluaran tegangan12volt DC murni,mau isi batt kering yg tegangan 12,4-12,7volt DC, ngisi sih,tapi cuma sedikit ga maximal.Harusnya keluaran power suply 14-15 volt DC yg kasar, maksud nya tidak pakai capacitor electrolite( elco) di keluaran +&- nya,ini baru bisa ngecharch maximum(full) ngisi nya.
you can make us a video, how to fill a small 12 v battery which contains the destilled water, thank you
Atleast you need 14 to 15 volt charger to charge a 12,4 volt battery.
Come see my video showing how to do just that
If i connect 12V and 5V cables togetger(17V) Can iy charge my 100A 12V battery?
@@SuperSayiyajin 12V and 5V together become 7V not 17V. If you want 17V, you can use +12V and -5V together, but current output is less, because -5V rail on PSU is only 1 - 1.5A
@@limasimple4885thanks
@@SuperSayiyajin It will short the power supply
All you have to do as shown is connect green wire to black earth wire which switches on the supply. The output between the yellow and black will be 12 volts.
A clever thing to have shown would be how to open Power supply and increase the constant voltage output to between 13.8 volts for sealed lead acid batteries and 14.4 for flooded lead acid car batteries by changing the voltage regulator components.This as it is total waste of time as batteries will never get to full charge without this being done. I cant be bothered to work out how to do and film! ( am electrical Eng)
This is very dangerous. Power supplies in general didn't design to charge batteries so there is no over charge protection built-in. When a battery is fully charged it will keep pushing more current until it burns.
i believe so
Very good bhai
Bonjour 👋. Comment utiliser l’ampèremètre pour mesurer le fils jaune +12v. Merci a vous d’être là!!🙏👋.
Mmmm dos cosas. 1 falta colocar un diodo en la salida de la fuente para q cuando la batería supere el amperaje de la fuente no haga retorno, esto provoca q la fuente descargue la batería. Y con el diodo solo impedía q la descargue pero. No sé va cargar más de la corriente q provee la fuente. Ya que no es una fuente de carga, sino de alimentación. Tendrías q agregar un circuito simple. Con un regulador.
2 esas baterías se cargan con una mención de entre 12.7 v hasta 14.7 v. Cargándola con un voltage menor se reduce la vida útil de la batería.
Supet Stvar Samo nastavite
nice and creative video
thanks for ur valuable comment.
thanks....!!!!
must welcome
12 Volts can't charge this battery up to 100%. You should increase output voltage up to 13.8 Volts for charging without time control. Also, needed a current limitation about 1/10 C.
If you will increase output voltage, also needed increase protection threshold to prevent switch off power suply.
Thats all right.
Please Change title of Video! 12 V Power Supply from Computer Power Supply.
For 12V Battery Charging need around 14V.
thats wrong because we need to 13.6 v for charging battery.
thanks for sharing tutorial video sir
Stopped watching at 3:17... Any guy who uses scissors to cut electrical tape should not be using it to begin with.
very nice excellent
Thank u for watching Krish dnath
very useful
Good !
Thanks!
AK creativity thank for tutorial video its help a lot if me my old atx power now i used it to charge multiple battery thank u for your wonderful knowlegde
must welcome
dont use this method your batteries will only charge to 50%
@@akcreativity this circuit how many minutes does it work ?
bonne chose
pour les gents aime Electricité et la science
thank very much brother
Nice
thank u so much..
Add the 12v & 5v together to get 17v, then use solar charge controller to charge the battery
12v can't charge the battery u need minimum 14 volts
Can get 14 volts from these when using mixed combination of different volts+ and maybe- too? Forgotten. But if could get 14 v has it battery charging diode or not needed
Ok so you need 14,4 V and you have 5 black red wire, 7 V black nd yellow wire and 12 v with yellow and black. Ok led working but you can charge 12 v batt with 12 v supply-check it. But you have tl 451-change resistor and you can made a proper charger
ถ้าใช้ไฟ 12vจาก power supply ชาร์จกะแบต 12v จะชาร์จไม่ค่อยเข้าคับ เพราะกระแสไฟแรงดันเท่ากัน ทั้งเพาเวอร์ กะ แบต 12v แต่แนะนำว่า ให้ใช้ไฟ 12v จาก power supply ให้เอาไป apply ใช้กะอุปกรณ์อย่างอื่นที่เป็นไฟ 12v จะดีกว่าคับ เช่นหลอดไฟ 12v ไรงี้ (ผมเคยลองแล้วถึงกล้าพุดคับ) ^^
nice idea but must 13.8 for charging. and must rectifier.
well done you have made a charger that will only charge a battery up to 30% capacity ! need 13.8v !!
NO. That's "Trickle charge".......(maintenance charge)
Super
Thank u for watching Technical ABC.
Good Idea !!
Thank u for watching
THANK YOU!..
This might work on a 5 cell lead acid battery however 12.6 to 12.8 volts is the resting 20 deg C voltage of a 12v wet cell battery. They generally start charging around the 13.4V mark.
Que animal verdad
You should know about battery charging system . Yellow line (12Volt ) will not charging 100% to battery . theYellow line should be higher than battery voltage . it should around + 14.30 V . and need to add voltage sensing idea for protecting over charging battery . for making 14.50 voltage to Yellow line , you need to modify switching power supply . the means that change resistor .
12 volt battery needs almost 13 to 14 volt power supply for charging
to not full
NO. That's "Trickle charge".......(maintenance charge)
Why do I feel like I was watching someone build a bomb?
Thank you!
good working
thanks i made ny own too.. godbless..
Must welcome n thanks 4 watching ❤️👍
El cable amarillo y negro no suman ni 12 voltios y no será capas de cargar bien.
Haga el invento bien.
Es con dos fuentes coje de una 12 vol y la otra 3.5 vol y haces puente allí si te carga así que por eso te doy un nome gusta
very good
when u join all the yellows n blacks together to make one output point could I instead of joining them together could I use them to power several 12v fans instead of again joining them all together to have just one big old connection instead of neatly one black yellow to each fan can this be done . thanks for ne ideas suggestions
can, it is the same.
anyway dont join/connect all the same colors together, as your ATX may have more than one rail
Bhai green or black wire ko jedne se fan thoda time chalta hai fir band ho jata hai
Para cargar una batería de 12 voltios, la fuente de ser de por lo menos 13.6 voltios.
This is better than one of your similar later dangerous versions, but it will still not work. Your need at least 14v, 12v is not enough and will not work!!!
You need to a 13.2v - and even 14.8 for li-on batteries and the others - you can use dc 2 dc converters to increase voltage level ;)
red + yelow = 15v + black - ok nhé
VERY NICE INDEED, THANK YOU MUCH
thank u for watching
Charging voltage is low should be around 13,5v add a step up converter
you need at least 14.5 volts to charge a 12 volt battery but luckily you can put the +12 with the +5, +3.3 or even the -12 (note do not put the -12 with GND or it will short circuit.)I
also 'm sorry but is that an instrumental cover version of dreams by fleetwoodmac with a mix of the cure?
Nice background music.
thank u for watching sunil kumawat.
I'm a fisherman but I would like to be a computer engineer
it may work for a couple of minutes then it will shut down the PSU since it has a sensor for auto shut off when it has a short circuit due to battery's resistance :)
no hehehhehhe challenge
Can believe he did all connections with power on????
Kese yaar aese hi btana bhai
이런 전기는 아래로 흘러가요
그래서 13v ~14v 정도로 충전해야 해요
동영상 다시 찍어요
(This kind of electricity goes down.
That's why we need to charge it between 13v and 14v.
Let's re-shoot the video. )
파워 서플라이는
+3,3 +5 +12 -12 -5 나온다
따라서
24v 17v 다양하게 하게 할수도 있어요
잘 연구 해보세요
Power Supply is...
+3,3 +5 +12 -12 -5 is here.
therefore
24v 17v. I can make you do a variety of things.
You need to study it.
12v battery will be need full charg @ 13.8 & dry batterh need 14.4 v then 12v battery not will charged on 12v
And also you need to controll maximum current flow.
Readme .txt 0
0
Yah katnay ah battery charger kar sakhta ha
7 ah.
Good night friend, excellent video, how do I know how many hours should I leave my car battery connected (TO CHARGER) THANK YOU
valeu profesor
" NO CARGARA LA BATERIA ", PERO ESTO SE PUEDE CORREGIR ALTERANDO UNA RESISTENCIA QUE CORRESPONDE AL ANCHO DE PULSO DE LA ONDA Y SE PUEDE ELEVAR EL VOLTAJE DE SALIDA APROX A 14VDC O BAJAR HASTA APROX. 9VDC.
Amigo es normal que al conectar la batería con la fuente apagada se encienda el cooler
Hay unos que combinan -12 v+12v y hay otros que combinan el mas 3v mas el 12v
EXELENTE AMIGO--GRACIAS POR SU VALIOSO APORTE.....MUY BUENA ENSEÑANZA..
Excelente
you need higher volts to charge that 12v battery. instead use a dc step up converter module
Para cargar una batería de 12V se necesitan tener entre 13.5 y 15 V. No le hagas perder el tiempo a la gente, por favor.
I have tried it works ... we need to use yellow and black cable
You're lucky the voltage is low, you have no current limiting, if not for the low 12v voltage rail, you could easily blow the power supply. Blow up the battery suffer burns.
This very unsafe
Only stayed for the music
Add a step up converter?
Mit 12 V kann man keine 12V Batterie laden. Dafür braucht man 14,4V. Wenn er intern die Spannung einstellen könnte auf 14,4V dann klappt es. Aber das merkt er auch irgendwann
Vedio achi banai ha lkn awaz k sath sahi samjh ati music ki jaga ap guid krty
I think this is a ups battery so it's most likely 12v with 17A can the power supply give this much current to the battery so it can be charged?
Cannot fully charged, hard try up 12v to 14v
Use the blue wire as negative and a red wire as positive and you will get a 15volt output.
@@johnruscigno5738 but the current will be around 1A max , becouse blue wire always are the weak one .
@@pancuadrian91 right, but that's perfect for charging those little 7amp UPS batteries that I see on RUclips videos.
John Ruscigno is charging the lead acid at 1 amp could actually charge it? im currently charging my battery on a laptop charger rated 2 amps 19v and a step down converter to adjust the output to 14v for almost 16hrs now. but the battery cant get past 11.2v
@@rosekreuzemine usually take about 8 hours. Did you try using a different battery?
merci
خیلی عالی بود
Whats the Max Output of current (Amperage) possible with this. Is it anywhere near 200A?
7 amps
The base and drum of this song is plagiarized from Fleetwood Mac's "Dreams". 1977 is calling, it wants it's hit song back!
SONU
Can this charger have auto cut off option....? After full charging. Please comment
battery charger is pulsating dc maximum voltage is 13.8v to 14volts for fully charged
It is not correct.The battery will never get charged with 12Volts.Minimun 15V require to charge the battery to full.
charging on a DC current is detrimental to battery plates. what do most portable over-the-counter chargers have is place a 16v capacitor on a 13.8volt transformer to keep the voltage up and steady so the voltage would not drop back to 0.0volt , thus making the output stable at 13.8v DC. But this is bad for your battery because DC charging current shortens battery life. Have you ever seen a capacitor inside a car alternator? No? because only an AC current is allowed to charge your car battery.
current coming from a computer transformer is DC current, that's why you don't hear the "hum" sound from computer audio common to AC current output.