This video making capacitor using spot welding machine. this small capacitors combine and big capacitor. this capacitor using spot welding machine. this machine working current 100A.
Best Lithium Ion Battery Tab Spot Welder "NO Super Capacitor" DIY
This instructable is about making a spot welder that makes better battery tab welds without spending too much money on super capacitors cause i have found that the super capacitor spot welds are not as great as the method that i am teaching you now.
•This method is simpler.
•it's more reliable.
You will need a minimum of 2 such capacitors to be connected in parallel.
Here I have used 3 identical 110,000 micro Farad capacitor so the total is 330,000 micro Farad capacitance so the minimum capacitors you will use will be 2 and the maximum will be around 4 with the voltage range of 14 and above.
Use any charged & working 12V battery.I have used a 12V 7Ah UPS battery.
use a 12 volt motor bike bulb.
get the lithium ion battery to which you want to do spot welding.
get the Nickel alloy strips to weld the battery tabs.
get 2 thick copper conductors and you can get these conductors from the COPPER shaded ring induction motor.
There should be 4 wires coming out of the capacitor Bank.One set of positive and negative will be connected to the battery with a series 12V bulb connected to it as shown.
Copper rods will be connected to the other two wires for doing spot welding to the batteries
The series bulb acts as a resistor here thereby limiting the current flowing from the battery to the capacitors and to the copper rods because when the spot welding occurs, then there is a short circuit and that short circuit creates a real high current that will discharge the battery faster ,depreciate its overall life and also destroy the Nickel alloy strip.
Cut a small portion of the nickel alloy strip and keep it on the battery terminal (the battery to which you are going to do spot welding). Touch the first copper rod to the battery without touching the nickel and the second to the nickel alloy strip.This will create a short circuit and the hot spot will be b/w the battery and the strip and thus melting them and sticking them together.
This video making capacitor using spot welding machine. this small capacitors combine and big capacitor. this capacitor using spot welding machine. this machine working current 100A.
Best Lithium Ion Battery Tab Spot Welder "NO Super Capacitor" DIY
This instructable is about making a spot welder that makes better battery tab welds without spending too much money on super capacitors cause i have found that the super capacitor spot welds are not as great as the method that i am teaching you now.
•This method is simpler.
•it's more reliable.
You will need a minimum of 2 such capacitors to be connected in parallel.
Here I have used 3 identical 110,000 micro Farad capacitor so the total is 330,000 micro Farad capacitance so the minimum capacitors you will use will be 2 and the maximum will be around 4 with the voltage range of 14 and above.
Use any charged & working 12V battery.I have used a 12V 7Ah UPS battery.
use a 12 volt motor bike bulb.
get the lithium ion battery to which you want to do spot welding.
get the Nickel alloy strips to weld the battery tabs.
get 2 thick copper conductors and you can get these conductors from the COPPER shaded ring induction motor.
There should be 4 wires coming out of the capacitor Bank.One set of positive and negative will be connected to the battery with a series 12V bulb connected to it as shown.
Copper rods will be connected to the other two wires for doing spot welding to the batteries
The series bulb acts as a resistor here thereby limiting the current flowing from the battery to the capacitors and to the copper rods because when the spot welding occurs, then there is a short circuit and that short circuit creates a real high current that will discharge the battery faster ,depreciate its overall life and also destroy the Nickel alloy strip.
Cut a small portion of the nickel alloy strip and keep it on the battery terminal (the battery to which you are going to do spot welding). Touch the first copper rod to the battery without touching the nickel and the second to the nickel alloy strip.This will create a short circuit and the hot spot will be b/w the battery and the strip and thus melting them and sticking them together.
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