noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'
running out of battery; battery depletion; going dead
Describes a battery-powered device that has lost power. Can be used as a noun, with する to mean 'to run out of battery', or as a の-adjective.
See also: 切れ (ぎれ)
スマホが電池切れで使えなくなった。
My smartphone ran out of battery and became unusable.
I replaced the remote control that had run out of battery.
noun, noun or participle which takes 'suru', intransitive verb
loss of energy; depletion of stamina
Figurative use: a person or group has run out of physical or mental energy, like a battery running out. Often used with する.
徹夜続きで、もう電池切れだ。
After pulling all-nighters, I'm completely out of energy.