A green icon will indicate your computer is charging and “in a good state,” but will turn yellow when your battery has dropped below 20 percent charge and has entered energy saving mode.

Microsoft has started testing new colored battery indicators in the system tray and Snap Layouts improvements with Windows ...

You might notice some marks on the phone that indicates it has this feature, such as the word ‘Qi’ or a wireless charging icon. If it isn’t clear, check the phone’s specifications in the ...