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Thx e charging symbol on your phone will be on. You might need to press the on/off button. Light on batteries should be blinking when charging
Sorry, there was a problem. Please try again later.Fully charge your portable battery for four hours before using it for the first time. Plug the small end of your included USB cable into the portable battery’s USB-C port. Plug the other end into a standard USB port on a computer, car charger, or wall charger (not included). Your portable battery automatically begins charging and the LED turns on. Note: All four LEDs turn on when the portable battery is fully charged. For customer support, please call 1-800-499-3402
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