# power bank

> portable device that can supply power from its built-in battery through a USB port

**Wikidata**: [Q2208745](https://www.wikidata.org/wiki/Q2208745)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Power_bank)  
**Source**: https://4ort.xyz/entity/power-bank


## References

1. [Source](https://www.zhihu.com/question/320872524/answer/657005616)
2. [Source](https://www.zhihu.com/search?q=%E7%BD%97%E9%A9%AC%E4%BB%95%E5%85%85%E7%94%B5%E5%AE%9D%E8%87%AA%E7%87%83&type=content#罗马仕充电宝自燃&罗马仕充电宝自燃)
3. [Source](https://thenextweb.com/vocabulary/powerbank/)