noun, noun which may take the genitive case particle 'no'
AA size (battery)
Refers specifically to the AA battery form factor, commonly used in remote controls, toys, and small electronics.
This remote control uses AA batteries.
I bought some AA rechargeable batteries.
D size battery, much larger than AA.
Standard kanji spelling for AA battery size.
Variant using numeral 3 instead of kanji 三; commonly seen on packaging.
Compound of 単三 (abbreviation of 単三形, from 単 cell + 三 three, referring to the third standard size in the Japanese battery classification) + 型 type.