On brando.com ist that you must charge case and phone separately.
On some Chinese pages is that you can charge case connected to phone - phone will be charge first and than case.
The case has a button so whilst your phone may always be connected it doesnt mean its using the case power so it never charges both at the same time. When you connect the charge cable to the case it will charge the case if its turned on or charge the phone when the case is turned off
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