Why do we use 3 AAA instead of 1 or 2 AA batteries? Is there a huge output difference?

Question

Why do we use 3 AAA instead of 1 or 2 AA batteries? Is there a huge output difference?

In: 15

Answer 1

The big reason for choosing AAA is for size restrictions. If you are making something thin, you might choose AAA to avoid having to to use the thicker AA batteries.