モバ充じゅう

noun

portable battery charger; power bank

Slang term formed from モバイル (mobile) + 充電器 (charger). Used casually for portable chargers, especially for smartphones.

• モバ充じゅうを忘わすれて、外がい出しゅつ先さきでスマホの電でん池ちが切きれた。

  I forgot my power bank and my smartphone died while I was out.