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

Voltage is important. Many electronics circuits need just above 3-4 volts to function properly, and dc-dc conversion is a often more expensive than just requiring 3 battery cells in series.