If both of your controllers were completely dead,don't worry!
It charges both controllers a little under 2 hours from being dead to fully charged
-Allows you to securely store and charge up two PS4 controllers simultaneously.
-Power through the USB port from either the PS4 or PC
-Two controllers can be charged simultaneously
-Connecting the cable will also allow charging while still being used.
-Full charge to two controllers simultaneously within 6-8 hours.
Installation:
1. Hold the stand to focus on the base to finish the installation;
2. Put the PS4 controller's hole to focus on the charge pin;
3. Hold the base and the controller, downward sloping insertion;
4. Ready for charging your controller.