Mophie Juice Pack User Manual page 10

(Wired) Charging your juice pack case
Use the cable included with your phone to connect
your juice pack case to the adapter included with
your phone or another USB wall adapter, or to a
computer's USB port.
Checking your juice pack case's charging status
Momentarily press the status button on your juice
pack case and the status LEDs will indicate its charge
level. Four LEDs means that the case is fully charged,
while one LED means that it's almost empty. Know
before you go!
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