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The batteries in the surround speakers may start to deteriorate after the first year. Playtime would be shorter than it was due to the charge and discharge cycle. Replacing it would be over 2 years of everyday use. You may use a USB adapter with 5V and at least 2A of current.
Sorry, there was a problem. Please try again later.I have watched 2 movies back to back and the tv on all day! Still didnt drain the batteries! They last. The soundbar will also display when and if you need to charge them. Not sure of the charger you may need for an external hook-up.
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