N battery; N cell
Abbreviation of 単五型乾電池 (tan-go-gata kandenchi), a cylindrical 1.5V dry cell battery size (IEC: R1). Used in small devices like flashlights or toys.
This remote control requires two N batteries.
The N battery is one size smaller than the AAA battery.
N size battery
Standard abbreviation using numeral; common in product labeling and technical contexts.
Kanji numeral variant; less common but still seen.
Abbreviation of 単五型乾電池 (tan-go-gata kandenchi), where 単 means 'single' or 'unit', 五 is 'five', and 型乾電池 is 'type dry cell'. The numeral 5 indicates the battery size class.