What is the shield over the battery indicate Lumia 520?

[Windows Central Question]

What is the shield over the battery indicate Lumina 520

The battery indicator has a shield over it. Why....I know what the heart is for but not the shield...

 

[Joshwin]

Re: What is the shield over the battery indicate Lumina 520

That means you battery saver is turned on.

 

[ww1083333]

Re: What is the shield over the battery indicate Lumina 520

Battery saver is on n Battery is less than 20%