The four LEDs provide a visual indication of the battery status.
When the battery is in use: A short press of the orange button gives a 5-second display of charge status with blue LEDs in increments of 20%.
When the battery is charging: The blue LEDs will continually flash to indicate charge status in increments of 20%
If multiple QIKPAC batteries are connected, only one of the QIKPAC batteries needs to be checked and the indication will show the status of all the batteries.
If a red LED shows when the orange button is quickly pressed, there is 20% or less charge remaining. The batteries need to be charged before they shut down, and go to into Sleep Mode.