Picture of the front of the Sony SRS XB41 speaker glowing.

How to Check Sony XB41 Battery Life

Covers how to check battery life and level on the Sony Extra Bass SRS XB41 wireless Bluetooth speaker, and also, how to know if the battery life is decreasing over time.

How to Check Sony XB41 Battery Life, Current Charge

1. First, Turn ON the XB41

You won’t be able to read battery charge status unless the speaker is ON.

Picture of the Sony XB41 -Power- button. How to Check Sony XB41 Battery Life.
The Sony XB41 -Power- button.

To turn on the speaker, press and release the Power button, pointed at by the aqua arrow in the last picture. It’s on the speaker top, and the right most button in the button panel as you face the front of the unit.

The Power lamp, also on the top of the speaker, should then light up. E.g. See this in the next picture. Then the speaker may make a two-beep sound if it connects to a close-by device.  If it does not turn on, then the battery could be completely dead.

Picture of the -Power- lamp glowing white. How to Check Sony XB41 Battery Life.
The -Power- light glowing white.

But as long as there’s some energy in the battery, the speaker should power up.  When it does, move on to the next step.

2. Look at the CHARGE Lamp on the XB41

You can tell at a glance if the battery is on the verge of going dead by way of the CHARGE lamp. When the battery is not critically low, this lamp is dark. But when the speaker has very little charge left, the CHARGE lamp flashes orange.

E,g, The next picture shows the CHARGE lamp location.  It’s in the port compartment in the rear of the speaker.

Picture of the -CHARGE- lamp glowing orange.
The -CHARGE- lamp glowing orange.

How to Check Sony XB41 Battery Life, Overall Battery Condition

When the speaker is new, and using a micro USB charger, the battery charge time is about four and a half (4.5) hours to reach a full charge. And, the full battery should last for around twenty-four (24) hours of play time before going dead, when played at low to medium volume levels and with surrounding temperatures in the 70s or 80s.  At maximum volume, you may only see four (4) hours of play time.

But a sign of a bad battery, is that it goes dead too fast, or takes too little or too much time to fully charge. So if you fully charge your speaker, but it consistently plays for under twenty hours at low volumes before dying, its battery may be bad, and unable to hold a full charge anymore.  This is typical of aging lithium ion batteries.

Picture of the dark -CHARGE- light.
The dark -CHARGE- light.

Or if the CHARGE light goes out in under four hours after you start charging the battery from completely dead state, then the battery may also be on the verge of failing.

Also, if the SRS XB41 battery takes longer than six hours to completely recharge, this could also mean a failing battery.  It might mean too, that the charger you’re using is not robust enough to recharge the speaker in the specified charge time of 4.5 hours.  To rule out this possibility, try another charger.

Finally, slow charging can happen because your USB charging cable is too thin.  So for best results, we suggest using a thick USB-C cable (one that easily carries 3 amps). Or better yet, just use the charger that comes with the speaker.

Other Sony XB41 Posts

    1. Sony XB41 Orange Light Stays On
    2. How to Turn Off Sony XB41
    3. Sony XB41 Not Charging
    4. Sony XB41 Charging Instructions
    5. How to Hard Reset Sony XB41

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    1. Official Sony XB41 Support Page
    2. Where to Buy the Sony XB41

Revision History

    • 2023-03-27: First published.