How Do I Know If My Portable Charger Is Charged. Watch and see how. Depending on the capacity of the Power Bank and its current charge level it can take quite a while to fill up.

A green light means its charged and a red light means it needs charging. Some more exotic jump starters may have a different way of letting you know that they are charged but. Watch and see how.
Check that the USB cable is.
Stay for the 4 LED lights that come into view at the bottom of your Mophie charger to stop alternating. If your battery is constantly losing its charge that could be an indication that your battery is. Some more exotic jump starters may have a different way of letting you know that they are charged but. Always check the manual for specific instructions if youre not able to find a clearly marked input socket.

