Compatibility.
![](https://www.ahemtech.com/wp-content/uploads/2022/02/ahemtech.com_Compatibilitytable_Small.png)
Identifying your Adapter.
Each Apple MacBook Power Adapter can be identified by its certification label and
Wattage Rating that is laser-etched on its side below the Universal AC Plug.
The Wattage rating will indicate which power adapter you have.
![](https://www.ahemtech.com/wp-content/uploads/2022/02/Ahemtech.com_WattageDiagram_67W.png)