Article ID : 00018740 / Last Modified : 06/04/2015

The speaker system does not work properly with the rechargeable battery.

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Insufficient battery charge can cause the portable speaker to malfunction. If the built-in rechargeable battery power is almost depleted, connect the AC adapter to charge the battery.

Battery capacity decreases over time and through repeated use. If the operating time shortens extremely, service may be required. Begin the procedure to send your Sony product into a Sony facility to be repaired.