noun
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.
このリモコンには単５電池が2本必要です。
This remote control requires two N batteries.
単５は単４より一回り小さいサイズです。
The N battery is one size smaller than the AAA battery.
AAA battery, slightly larger than 単５ (N battery).
AA battery, larger and more common than 単５.
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.