Check battery levels

You can check the attached battery’s level by looking in your phone’s quick settings or by using the battery status button.

To check battery level, do one of the following on your phone:

Or, use the battery status button:

  1. Detach the battery from your phone.
  2. Press the button and look at the status light:

Lights on Meaning
0 0% charged
1 25% charged
2 50% charged
3 75% charged
4 100% charged

Is it charging my phone?

To see if the attached battery is charging your phone, look at the battery icon in the status bar at the top of your home screen:

Attached battery charging phone.
Connected charger charging phone.
Attached battery not charging phone’s battery, which is fully charged.
TipTo make your attached battery last longer, turn on Efficiency mode.