![2600mAh 58-000138, R-41019534 Battery for Amazon Tap Alexa PW3840, PW3840KL Portable Bluetooth Speaker - Walmart.com 2600mAh 58-000138, R-41019534 Battery for Amazon Tap Alexa PW3840, PW3840KL Portable Bluetooth Speaker - Walmart.com](https://i5.walmartimages.com/asr/e5f37e3a-ad16-474c-907a-1a5dea9b3a96_1.fe67da1341dd45a77439a57babadbafe.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
2600mAh 58-000138, R-41019534 Battery for Amazon Tap Alexa PW3840, PW3840KL Portable Bluetooth Speaker - Walmart.com
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Bluetooth speaker won't work without internal battery... but the bench supply looks like that battery : r/electronics
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Bluetooth Speakers, 60W(80W Peak) Portable Loud Wireless Stereo Speaker with Rich Bass, Bluetooth 5.0, FM Radio, Colorful Lights, TWS Pairing, 10000mAh Battery, Outdoor Speaker for home Party Gifts - Walmart.com
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Amazon.com: MPF Products 6000mAh P5542100-P Battery Replacement Compatible with JBL Pulse 3 Waterproof Bluetooth Speaker : Electronics
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Amazon.com: Bose S1 Pro Portable Bluetooth Speaker System without Battery, Black : Musical Instruments
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Amazon.com: Replacement Battery for So-ny Bluetooth Speaker SRS-X3 SRS-XB2 SRS-XB20,fits ST-01, 2600mAh : Electronics
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Amazon.com: Bose S1 Pro Portable Bluetooth Speaker System without Battery, Black : Musical Instruments
![Amazon.com: Replacement Battery for So-ny Bluetooth Speaker SRS-X3 SRS-XB2 SRS-XB20,fits ST-01, 2600mAh : Electronics Amazon.com: Replacement Battery for So-ny Bluetooth Speaker SRS-X3 SRS-XB2 SRS-XB20,fits ST-01, 2600mAh : Electronics](https://m.media-amazon.com/images/I/71lqBo2aD-L.jpg)