Tag Archives: inside

9-volt battery: do you know what is inside?

I bring for you one more learnings daily. I discovered by chance as a 9-volt battery is composed. I never stopped to think about it but thought it was a solid set. I replaced the battery of equipment and she, being worn out, opened in my hand. It was surprisingly when emerged 6 puppies AAA batteries. As the math does not lie, multiplying 6 by 1.5 comes to 9. It was not news to you? What a pity! I have been enjoyed the discovery. Maybe this information can be useful at some moment in life. Encourage Read more [...]