What are the differences between AA and AAA batteries? Why are AAA

What is the difference between different sizes of battery? Why can

This is a box of 24 Energizer Industrial AAA batteries, Box of 24- $9.36 ($0.39 Per Battery), Great For Battery Draining Devices, Heavy Duty,

Energizer Industrial AAA Alkaline Batteries - Box of 24

AA vs AAA Battery: The Difference Between AA And AAA Batteries

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AA and AAA Replacement, Expert Advice

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Rechargeable Batteries Guide, NiMH, Li-ion

AA, AAA, C and D batteries have the same voltage (1.5 V). What charge capacity (mAh) do each of them usually have? - Quora

How to use AAA Batteries Instead of AA