The area where the electric YouTuber never touches.

(1)I’ll make them at home, renovate them,
(2)I’ve tested it out and uploaded a lot of videos on this topic.
(3)You know the one where you make a lithium ion battery pack?It’s soldered inside, stuck it on, and then put on BMS.
(4)I get a lot of questions about why you don’t use DIY when you go outside and use it.
(5)I’m not going to tell you the conclusion. I’ll make a premise based on my personal opinion about why I don’t do DIY related to batteries.
(6)For example, do you remember the vacuum tube headphone amplifier that I made recently?
(7)I assembled all of these at home.
(8)This is dangerous, too. It’s even a 220V power circuit.It’s only 20V when the battery voltage goes out.
(9)Let’s think about it. Is this battery dangerous or is this dangerous?
(10)I’m pretty sure this battery is more dangerous.
(11)Because from the perspective of human error, let’s look at this.
(12)Capacitor. I put the capacitor upside down.

(1)Or I put the wrong wiring on the power part and took a short. I put the wrong 400V on the secondary side, so I put it on the wrong side.
(2)There’s a possibility of making a lot of mistakes.What would happen in the worst case scenario?
(3)You could get electrocuted and die. However, there are many ways to prevent electric shock.
(4)If you follow those rules, you won’t be electrocuted no matter how you make this circuit.It just doesn’t work.
(5)It’s totally short. What happens as soon as you turn it on? There’s a fuse in the power source.
(6)Even if the fuse doesn’t break here,
(7)The power breaker goes up in a typical home.
(8)Before there’s a fire or smoke,
(9)Anti-sheath measures are in place step by step.temperamentally
(10)This battery especially has a lithium-ion battery fuse.
(11)There’s no step-by-step safety that goes down to the toad house.

(1)It’s an independent object that stores energy.
(2)What will happen if it’s short?
(3)For example, you put a plate on top of spot welding.
(4)I have to calculate it in series and put it on in parallel, but sometimes it’s confusing.
(5)I’m going to make a short cut due to a human error.
(6)What happens when you do spot welding?
(7)Such a fire broke out in a house like this while doing this in a room.I don’t even want to imagine it.
(8)Of course, I know that people who have a certain level of knowledge and experience skills are good at making and using them, but I’m not.
(9)In conclusion, no matter what DIY you do, safety comes first.You need to know about safety so that you can prioritize it.
(10)How to make a spot welder on YouTube.
(11)You can connect it to BMS and use it.
(12)Of course, you can use it, but if you follow along,
(13)there could be a big problem.