The Ampax is a new power bank with a modular design Provided enough batteries are available, the gadget can be used with almost no interruptions. For that, it utilizes regular 21700 that are found in
many modern flashlights. ...
Автор: notebookcheck.net
Источник: https://www.notebookcheck.net/This-modular-power-bank-uses-replaceable-21700-batteries.1300590.0.html