ボタン電池 です
botandenchidesu
1. Button battery.
Noun
#227873
1. Button battery.
1. button (clothing)
2. push-button; button
1. dry cell battery
1. solar cell
1. battery; cell
1. running out of battery; battery depletion
2. loss of energy; depletion of stamina
1. Was buttoned.
1. Was buttoned; Had a button
1. if/when button; if/when clasp
1. Wasn't buttoned.; Wasn't a button.