ボタン電池 でしょう
botandenchideshō
1. Probably a button battery.
Noun
#230454
1. Probably a 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. it seems; I think
2. right?; don't you agree?
1. Was buttoned.
1. Was buttoned; Had a button
1. if/when button; if/when clasp