미국에서 보조배터리 살 때 꼭 알아야 하는 영어 표현👇🏻👇🏻
7 Jun 2026 · 0 min

0:29
A salesperson and customer talk through buying a portable power bank in the US. They discuss model options, compatibility, fast-charge capability, and how to detach the cord. Learn the English phrases you actually need at checkout.










