Information about the CHARGE and BLUETOOTH indicators on the Wireless Speakers (SRS-XB*, SRS-XE*) | Sony AU
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Amazon.com: LIONX Battery Replacement for Speaker Fit Model SRS-XB21 Part Number ST-05 ST-05S 3000mAh / 11.34Wh 3.78v Li-ion Blue 68.60 x 20.00 x 20.00mm : Electronics
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New 3.7V 3400mAh ST-05 ST-05S Li-ion Battery For Sony SRS-XB21 SRS-XB22 Player Accumulator 5-wire Plug+ Free Tools
![Sony SRS XB-21 Battery drain issue--Speaker not holding charge(low battery warning)check description - YouTube Sony SRS XB-21 Battery drain issue--Speaker not holding charge(low battery warning)check description - YouTube](https://i.ytimg.com/vi/o7oZhpdpZog/maxresdefault.jpg)