Why cant you use a AAAA Battery instead of 2 AA Batteries.? - Quora
What are the differences between AA and AAA batteries? Why are AAA batteries a little more expensive than AA batteries even though they give the same output voltage and current ratio? -
Vector Set Metallic Golden Glossy Alkaline Stock Vector (Royalty Free) 749620504 | Shutterstock
12 Best Rechargeable AA and AAA Batteries of 2022 | Reviews by Wirecutter
Energizer AAAA Batteries, 1.5 Volt Battery AAAA Alkaline, 2 Count : Health & Household - Amazon.com