ローバッテリー

also: ローバッテリ

Meanings

low battery

Computing and electronics term for a battery that is nearly depleted. Often used in device warnings or status indicators.

スマホに「ローバッテリー」の警けい告こくが出でた。
A 'low battery' warning appeared on my smartphone.
ローバッテリーの状じょう態たいでゲームを続つづけると、すぐに電でん源げんが落おちる。
If you keep playing games on low battery, the device will shut down soon.

Related words

バッテリー切ぎれ
バッテリー切れ means the battery is completely dead or has run out, while ローバッテリー indicates it is low but still has some charge.
充じゅう電でん
充電 is the act of charging a battery, often the next step after seeing a ローバッテリー warning.

Built from

ロー+バッテリー

Written forms

ローバッテリ
Variant without the long vowel; less common but seen in some technical contexts.
ロー・バッテリー
- ローバッテリー
  Spelling with an interpunct; mainly used for clarity in technical writing.
- ロー・バッテリー
ロー・バッテリ
- ローバッテリ
  Rare variant combining the interpunct and the shortened form.
- ロー・バッテリ

Etymology

Loanword from English 'low battery', adapted into katakana. The shortened form ローバッテリ drops the long vowel, reflecting a common pattern in Japanese loanword truncation.