モバイルバッテリー

also: モバイルバッテリ

Meanings

A portable rechargeable battery used to charge mobile devices like smartphones and tablets. Common everyday term.

from English mobile battery

充じゅう電でん器き
充電器 is a general charger that plugs into a wall outlet, while モバイルバッテリー is a portable battery pack that stores power for on-the-go charging.
バッテリー
バッテリー can refer to any battery (e.g., car battery, AA battery), whereas モバイルバッテリー specifically means a portable charger for mobile devices.

モバイルバッテリ
Shortened variant without the long vowel marker; often seen in product names or casual writing.
モバイル・バッテリー
- モバイルバッテリー
  Explicitly separated form with interpunct; rarely used in running text but may appear in dictionaries or technical contexts.
- モバイル・バッテリー
モバイル・バッテリ
- モバイルバッテリ
  Explicitly separated shortened form; very rare in practice.
- モバイル・バッテリ

Loanword from English 'mobile battery', referring to a portable power source for electronic devices.