DIY Auto Cut-Off Battery Charger | Adjustable Battery Charger with Charge Protection
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- Опубліковано 10 лют 2025
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DIY Auto Cut-Off Battery Charger | Adjustable Power Supply & Battery Charger
In this video we will design and implement a adjustable battery charger with overcharge protection. watch the video till end as it is a great DIY electronics project for beginners as well as for advance skill holders. if you have any doubt or any suggestion feel free to comment in comment box below.
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Component Buy Links
2 pin terminal block : amzn.to/3fzrA57
1n4007 Diode : amzn.to/3uAdQeX
3300uf 50 V Capacitor : amzn.to/2R5PxI1
LM317 Voltage regulator : amzn.to/2Tpc57f
10K pot : amzn.to/3vzxhpu
12 v Relay : amzn.to/3uzvHm7
12 v 2 amp transformer : amzn.to/3wGDCiY
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Nice video, and very well explained!
Thanks a lot for the circuit, I needed it! Very useful!
Greetings from Argentina!
😄
Hello sir can i use this circuit for a 60 amp charger ( 2 30 amp smps chargers)?
बहुत बडिया सर जी
आपका सिखाने का तरिका बहुत हि बडिया है excellent कोइ घाई गडबडी नही है
बडा चढावा नही है
धन्यवाद सर जी .
दिल से धन्यवाद
Can i charge 12volt 14ah Lithium ion battery plz replay😊
Yes
paji tusi great Ho
Hi Teknoistix, The concept of second pot with the relay coil is not understood. How the sensitivity of the circuit to trip relay will work automatically by pot2. Kindly explain. In case, it is unexplainable, kindly improve the circuit for automatically cut on full charging.
Same question
No reply it. May be the learned does not want to distribute his wisdom for the fear of wear and tear of his brain. Keep it unused for high selling price, Sir!
Wah Sir Maja Aa gya..... Battery over charge hi nahi hogi Ab.... Excellent cirkit
My brother iam retired iam watching nice video your good knowledge god bless you jai shree ram 🙏
Thanks sir
@@TEKNOISTIX aapne lm317 ke point ko left side se count kiya kya ?
Or dono 10k presets ke conections original me jesa dikhata hai wese drow karke bataye. Kon sa wire bich wala lage se conect karna hai
Lm317 ka 1st left side se adjust pin hota hai center wala output and last wala input
Jaisa draw kiya hai waise hi connect kiya hai
@@TEKNOISTIX or presets ke central pin se kon sa wire conect kiye hai.
Preset ko bhi relay jesa drow karte to achha hota
Aap preset k 1 pin 317 ki 1 pin se connect kardo
Centre wali ko ground kardo
Or 3rd khali chod do
आपने बड़ी मेहनत करके जो ज्ञान प्राप्त किया है उसको हमारे साथ शेयर करने के लिए धन्यवाद
I really like the way you explain. You are really amazing. I have tried to build the same project by following the circuit diagram which u have drawn but the cutoff is not working and also the voltage is not changing. Could you please provide me the easy way to follow and create the circuit for this project. Please help
This circuit not works , increase supply to increase voltage
But it will not cut off automatically
I think this circuit is only for 12v cutoff because of relay less than 12v it will not cutoff because 12v relay can work min on 9v max 12v so if we need cutoff for 4v we would need 5v relay not 12v
This is a wrong circuit he didn’t show how the relay cuts the power when going to certain voltage
The cutoff relay coil should be connected to the battery and the +ve terminal of the battery should be connected to the charger through a diode only so that the relay will operate depending upon the potential of the battery
Sar aap bahut acche se samjhte ho very good
Thanks
As the power supply is variable, how the 12volt relay can function properly if use 3 volt or 6 volt output to charge anything in that range. For that you need to feed the relay coil directly from the 12 volt DC output of the transformer.The cut off circuit is wrong in this respect.
I think this circuit is only for 12v cutoff because of relay less than 12v it will not cutoff because 12v relay can work min on 9v max 12v so if we need cutoff for 4v we would need 5v relay not 12v..
Very well video thanks
👍🏻
Sir ak wireless mic and receiver ke sath banaia please
I ll try
Accha laga aapka video aur sath hi me maine bana bhi liya
Items, (1) 0.12 3A transformer (2) LM 317. TRANGISTOR (3) relay 12v (4) 2 leds 3v. red, green (5) 1, 220.ohm resistor (6) 1, 1k resistor (7) 2 priset original,10k typ 103, 10k (8) blank pvc board size free (9) 4 dc ac dayboad (10) capasitor 25v 4800uf
I'm srilankan I like and many thanks your vedio I try to make it
Oh Amer preet singh ji
Aap ko thumbnail ko dekha,pura samajh aap ko video,then forcely like diya aap keliye
I am not an electronics guy, but I found your explanation the clearest of all I've seen, and I've seen dozens. I am particularly interested in how electricity flows and changes on a circuit. Could you explain on another video? Congrats for a great instructional demonsrration.
You are the most competent person in this field I have ever seen on U Tube. May be u r a teacher Masood, Islamabad, Pak)
Thanks 😊
I teach in a engineering university
सतश्री अकाल
Sir you have excellent and professional quality of lecturate
In this lockdown days,Your videos are very much helping me.I am interested in electronics .l am watching all your videos.God bless you and your work
Thanks 😊
U R A wonderful teacher
Ur videos R very interesting & useful too, ur way of explaining
Very nice and simple/educating
, Learning a lot tkQ
Thanks
How can anyone dislike for this Free Valuable Information......? Try in Market for this information how much institutes charge for it.
Its their own choice
We can't say anything
They have the right to like and dislike acording to their choice
This is really very good sir Thanks you so much sir
Very very good teaching
Thanks 😊
Thank u sir ji very good circuit.
you are helpful vedio ,made
Hi,sir 24 volt relay lagaunga to konsa konsa components check karna parega . please you tell me.
Mere pass ek 27 volt 10 ampere ka variable power supply hai
Sir 12v 10 amp battery pack per kaam karega ?
Nice video sir make more videos about basic electronic
Love from pakistan
Thanks 😊
I upload videos every monday
Stay tuned
Sir , buck converter laga sakte hain , instead of LM317 , buck converter ko smps se supply de kar ???
Can we use this for 60v 72v charger with 15amp current support ??? Or any modification
Super diagram useful thank you sir 🙏from Guddappa kayakada bsnl DAVANAGERE smart city karnataka state india
Thanks 😊
Do share with your frends also.
Sir, very useful useful and informative video. You built logic based circuit diagram, instead of explaining with ready made circuit diagram. Keep making such videos so that we too can learn and implement in our circuits. Please explain switching circuit you used iin the relay.👍👍
Sir ji kya 12volt 5amp LED driver choke se auto cut battery charger bana sakate hai kya please answer argent
You are marvelous mind.
Abdul Kaleem
Chennai.
Thanks 😊
Thank you sir bahut achha lgaa
Aapka samjhane ka tarika bahut achha lgaa
Mere paas ek charger h 28 volt output
Or 200AH ki 2 battery hai
Iska cut out banane k liye kon sa relay or pit use kare
नमस्ते बन्धु,
आपने बडा ही अच्छा व सरल सर्किट बताया है। 👌👍
कई दिनो से मुझे एक 12 वोल्ट 3 एम्पियर चार्जर की नितांत आवश्यक्ता थी।
आपके सर्किट की Amp. कैपेसिटी तो मै LM 317 के साथ एक 2N3055 सीरीज़ पास रैग्युलेटर के तौर पर लगा कर, व 3/5 Amp. के डायोड लगा कर बढा लूंगा।
मगर मुझे कुछ इस सर्किट को ले कर कुछ अन्य शंकाऐं हैं।
1) सर्किट मे रिले कौन सा (कितने वोल्ट की क्वाइल वाला) लगेगा, इसका कोई ज़िक्र नही है।
2) अलग अलग वोल्टेज की बैटरी के लिए अलग वोल्टेज वाले रिले लगाना पडेगा। कारण अगर हम 6 वोल्ट या 24 वोल्ट की बैटरी चार्ज करेंगे तो उस समय 12 वोल्ट की रिले कैसे सही काम करेगी ?
3) 10 K POT", जो कि रिले क्वाइल की सीरीज़ मे लगा है, वह रिले क्वाइल का लोड (33 m. Amp व उससे अधिक) कैसे लेगा ?
कृपया शंका समाधान करें
धन्यवाद 🙏
ua-cam.com/video/UcUNBiMQgLo/v-deo.html
3055 lagane ka treeka is video me btaya hai
Simple and Good Circuit
Thanks 😊
Awesome explanation good job
Thanks
Mast hai sir very nice video
Thanks
Sir apke 1video me apne marker se path draw kiya tha waise bataya karo aur ache se samaz me aata hai. Itne detail me pure youtube pe video nahi milega sir ji.
Keep going i am big fan of your teaching 👍👍
Thanks
very much educative sir
Thanks
Sir 👍bahut achaa bataya simple trike se per sir agar fast charger banana ho to kaise banaye
Nice presentation
Thanks
Nice and happily subscribed as well...
one question though, how to increase amps? for example if i want to make a circuit to charge 200Amps tubular battery than it needs around 30Amps to charge.
Exlent video . Thank you sir
Thanks 😊
Sir you use 12volt transformer then how you set 14 volt
I have used 12 0 12
That means it can provide upto 24 volt
Kafi time se 6 v ka kat circuit dondh raha tha par sabhi 12 volt ka je kat off bante they so i will try it thx ji..
👍🏻
Thank you For this Video
Nice video...
Sir I am watching your videos verry usefull circuits Please reply my doubts
Very very nice video sir 😃😃😃😃 thankyou
Thanks
sir 24v k lie kya values k Componants chy hoge ?
Good evening sirji. aapka ye video hamko bahut....... bahut acha laga. ye bahut hi kaam ka, bahut hi upyogi video h. sirji aapse ek baat or janna chahte h ki scr kaise work karta h. thanku.
I ll make a video on it
10 k pot ki jghe potenshiometer. Voleum tip konse lga skte hai g
Provide Circuit Diagram ❤❤❤❤❤
do i need this circuit if i use bms for 3s lion battery and as the battery will mostly conected to charger?.
Singh sahib explanation is up to the mark. So nice 👍
thanks
Good job 👍🏻👍🏻 🇮🇳 Kuki 20|03|2022
12 volt ac supply ke liye computer ka atx power box use Korea Santa keya?
Use kar sakte hai
Thank you sir,very good teaching. God bless you.
Thanks
Green led hamesha chalthe rahthe....and amp protection ?
Can this sircuit be used in big battery like 120 ah battery
Excellent video
sir first thanks a lot for good informative video❤🙏
sir ji kya is autocut ka use main 24v 120AH battery charge circuit me kar sakta hu? ya dusra koi ic lagega 317 k jagah vo bhi plz bataaiye?
Sir Very good message Thank you
I want one cercuit input 220volt AC out put 24Volt DC transformer less
Thank you very much sir it's really very useful video for me...
👍
Can I use 12-0-12 2amp for 24 volt transformer for this circuit
Sir auto cut ke liye kon sa potentiomeeter lagaye, 8v par cut nhi kar rha ha 9v par cut karta hai
Very useful circuit, thanks sir
👍
Aapki video so good
12v7ah battery charge karne se LM317 over hit hotahe , heatsink bhi lagaya he
Heatsink thoda bada kro
Heat to hoga hi
Very good & useful, but, diagram is necessary for biginners.
Clearly and decently presented....
Thanks
Great job.
Agar hanko 12 volt 100 amp ki bettry charge Karni ho tab kia changing Karni Hogi?
Same charger kar skta hai bas time thoda jiada lge ga
@@TEKNOISTIX
Ok thank you for your kind reply
Actually main Chahta Hun k asap 20 sy 50 Amp tak ka circuit banana ki video upload karen
Nice sir ji. Kya 24 volt 15 amp. Ke liye yah circuit kam karega.
good good good video tinkiu nex
Can i use it for 12v 12amp
How technicians using the parts of different ohms/powers/tolerances etc?
Sir jab battery charge hoga tab relay open me rahega ya close me rahega?
Wadiya paji👍👍
Thanks
Ekdam & useful
Thanks
Plz suggest me the latest & best DC power supply for mobile and laptop testing
Budget?
@@TEKNOISTIXbudget no issue but should be the latest and best...
DL3021/DL3021A by rigol
Search for it on Google
12v8amp charger me laga sakte h
Sir relay par koi diode use karne ki jarurat nahi hai....?
I will try to make this project thanks for this circuit
It's working properly please share tha video How to charge a battery
Good job !!!
Thanks!!
Thanks for this easy circuit can we use this for lithium ion 3 cell battery .
Yes
@@TEKNOISTIX I am using laptop power supply is it work ?
Sir ye pcb 12v kitne Ampere tak sahi work karegi?
How it is getting cutoff. You are manually turning potentiometer and how it automatically cut off after the battery is fully charged. Can you please explain
Sir, Can I charge my car battery of 12 v 45 ah with this circuit? Pl. Reply.
Yah Circuit 100% working hai ya nahi mujhe bataye reply please 😮😊
હા ચાલે છે
5Amphere load le lega kya ye vircuit mere pas transformer h 5A ka ? 24 v battry k lie charger bnaana h
Ye circuit 2 amp k liye bana hai
5 amp k liye power transistor add karna pade ga
Excellent Teaching Sir 🙏🙏🙏🙏....
Thanks
Thanks. Helpful video
Thanks 😊
16v aro 20v betteriy charge kar sakte hai sir
Sir capacitor volt to thik h lekin capitance 1000 uf hoga to hm 3v se 12v batries esly charge kr skte h
I like yor work bro
Thanks
Very nice
Thanks
Nice charger bro
Thanks