The vast majority of the battery inside the Bluetooth speaker is damaged, the charging indicator is an indicator, as long as the charger is normally connected, there is a charging output, the charging indicator will be normally bright, but its light, does not mean that the internal lithium battery voltage is normal.
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Many Bluetooth small speakers, long-term placement, the internal lithium battery power is completely discharged, how to charge can not be flushed, Bluetooth speaker no power voltage, it can not open the work, can only replace the internal lithium battery.