Picture of the Sony SRS XB43 closed port compartment cap on speaker.

Sony XB43 Charging

This piece gives Sony XB43 charging instructions. Recharge this speaker easily through the USB-C power in port, behind the water resistant door in the rear of the unit, shown in the pictures below. Note that you can still play your XB43 mini speaker during charging, without upping the recharge time very  much.

First, the unit comes with a suitable USB-C charger.  So use this one if you can.  But if you lose yours, then be sure to pick a strong enough supply.

Then, plug your charging supply into a working AC outlet.

Then after four to five hours, your XB43 finishes charging.  So it’s ready to play once more for up to twenty-four (24) hours before needing another recharge.

Sony XB43 Charging, Step by Step

1. Choose Properly Sized AC or Car Adapter

The charging adapter you use should offer 5 volts and at 3 amps (15 watts) Max.  Here, we use the adapter that Sony includes with this speaker.  But a Key Power model HDD15-3-PD USB power delivery system along with a thicker USB-C cable also works well too.

2. Open the Port Cap Door

Use a fingernail, dime, penny, or small screwdriver to work open the waterproof seal port cover on the XB43. See the closed power port door in the next picture.  Be careful not to scratch the delicate seal around the inside edge of this door.

Picture of the Sony XB43 closed port compartment cap on speaker. Sony XB43 Charging.
The Sony XB43 closed port compartment cap on speaker.

Prying open this door exposes the USB-C charging port inside, as shown next, pointed at by the red arrow.

Picture of the USB-C input port at the rear of the speaker.
The USB-C input port at the rear of the speaker.

3. Power OFF the Unit to Continue with Sony XB43 Charging

Note that the SRSXB43 still charges when powered ON.  But depending on how much above-and-beyond recharging gusto your charger supplies, the speaker might charge somewhat faster when not running.

4. Plug the USB-C Cord into the XB43

Then, plug the matching end of a USB-C charge cable into the port, as we see in the next shot.

Picture of the power cord connected.
Rear view of the speaker, showing the power cord connected.

Warning: Only use the USB-C port for charging the speaker.  Do not use the USB-A port near the left edge in the port compartment.  The larger connector is for power output only for power bank purposes. So, feeding external power into THIS port will not only fail to recharge the battery in the XB43, but could also damage the electronics inside the speaker.

5. Plug the Other End of the USB Cable into your Charger Adapter

If the supply you use has a removable cord, then be sure to connect the matching end of the USB power cable to the AC or car adapter you have. Note though that the included power supply has a permanently attached cord.  So skip this step if that’s the cord you have.

6. Plug the USB Adapter into a Working Wall Receptacle to Continue with Sony XB43 Charging Instructions

Now that we connected the XB43 and our adapter, we then plug the mains end of the supply box into a working AC outlet, as shown next. We plugged ours into a surge protecting power strip.

Picture of the charging Bluetooth speaker. Sony XB43 Charging.
The charging Bluetooth speaker.

The CHARGE lamp lights up solid orange on the speaker. And while no battery status gauge shows percentage of charge, the glowing lamp means that charging is indeed occurring, as we see next.

Picture of the CHARGE light glowing.
The CHARGE light glowing.

7. Let the XB43 Continue Charging Until the CHARGE Light Goes Out

Full battery charging concludes when the CHARGE lamp in the speaker’s top button panel turns off, as shown next.

Picture of the Sony XB43, dark Charge lamp.,
Sony XB43, dark Charge lamp.

8. Unplug the USB-C Charge Cable from the Speaker, to Continue with Sony XB43 Charging

9. Fully Close the Port Door / Cap

Note that unless you seat the port cap correctly, water may flow into its USB-C power input port. And, since water and electronics do not go well together, getting that connector wet might damage the sensitive contacts inside it. So be sure to press this door closed with enough pressure to fully seat it, for maximum moisture protection.

Picture of the Sony XB43 closed port compartment cap on speaker. Sony XB43 Charging.
The Sony XB43 closed port compartment cap on speaker.

10. Done with Sony XB43 Charging !

We have now fully charged our XB43 speaker.

Finally, repeat this recharging every twenty-four hours of play, to keep the battery in top condition for years to come.

Related Posts to Sony XB43 Charging

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    3. Sony XB20 Charging
    4. Sony SRS X3 Charging
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Other Sony XB43 Posts

    1. Sony XB43 Watts Output RMS
    2. Sony XB43 Charge Time
    3. How to Connect Sony XB43 to iPhone
    4. How to Turn Off Lights on Sony XB43
    5. Sony XB43 Power Button Not Working


    1. Official Sony XB43 Support Page
    2. Where to Buy the Sony XB43

Revision History

    • 2023-03-28: First published.