These days, it seems like we can't live without a battery.
The lithium-ion batteries that are commonly used in our daily lives.
There are a lot of vacuum cleaners, cell phones, auxiliary batteries, laptops, and so on.
Don't buy a new one at the end of your life, just change the battery, just like a new one.
Can make.
But we need to get the batteries connected.
The connection is only possible with a spot welder.
I'm going to make the spot welder today.
#Spotwelding #18650 Battery
Негізгі бет Ғылым және технология Let's make a welder out of an abandoned microwave!!!
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