Charge the battery Before using the speaker, you must charge the battery. When the battery is charging, the BATTERY INDICATOR lights solidly. After the battery has fully charged, the lightswitches off.1. Connect the AC adaptor to the DC IN JACK of the speaker firmly, and plug it into awall outlet.2. When the battery is fully charged, first disconnect the AC adaptor from the speaker,then from the wall outlet.
PyleUSA Support answered on February 05,2015