JLW X4 – 3600 mAh Rechargeable Power Case – Power Bank – External Battery Charger for iPhone X

To charge the phone with the battery case:
Attach the battery case to your phone, and then press the power button. The battery case will begin charging your phone.
Press the power button once to check the battery level. The illuminated LED will show the battery level.

Assembly:

Slide your phone gently into the battery case, and make sure the phone is well connected to the micro connector of the battery case.

To charge the battery case:

Connect the charging cable to the battery case’s USB input interface, and then connect the cable to a USB charger.
Press the power button once to charge the phone and battery case simultaneously. The battery case is fully charged when all four LED indicator illuminated and stop flashing.

Notes:

When charging the Battery Case with the phone attached, the phone battery will be charged first. After the phone battery is fully charged, charging of the battery case will begin.