Picture of the JBL Xtreme Bluetooth speaker, top front view, showing buttons and cloth grill.

JBL Xtreme Not Charging, How to Fix

Most JBL Bluetooth speakers, including the Xtreme 1, offer portable operation via an internal battery. And when that battery goes dead, you can recharge them via an AC or car adapter. To facilitate recharging this speaker, the Xtreme comes with a 19 volt AC power adapter. Sometimes though, you may notice that the JBL Xtreme is not charging fully, or at all, even when you connect the adapter to power, and then to the speaker.

How to Tell that the JBL Xtreme is Not Charging

Among the ways you can tell that the JBL Xtreme is not charging, is by reading the battery status gauge on the front lower portion of the unit.  Now this meter starts blinking red during play to let you know that the battery is running very low on power.  And the flashing does not stop, even when you plug in the charger.  It should change at this point though, to blinking white, which indicates that the speaker is getting some power from the supply. But if it continues red, then recharging is not occurring.

You can also feel the AC adapter’s side panel ten or fifteen minutes into the charge cycle.  The speaker itself heats slightly as well during correctly charging operation.  But if you feel no warmth, then again, your JBL Xtreme is not charging.

Then too, the battery gauge normally shows battery recharging progress.  I.e. as the unit recharges, more and more of the lamps light up white.  But if you don’t see more lights coming on after a couple hours during recharging, then chances are, the recharging process is not going well.

Thus when you notice that the Xtreme is not charging, even though it should be, you’ll want to find out what’s wrong and how to remedy the situation.  So in this post, we offer reasons why the speaker may not recharge.  Then we give possible fixes for this typical problem.





 JBL Xtreme Not Charging, Reasons and Fixes

AS we said above, it’s normal that the battery level gauge blinks red when the battery is about dead.  But this meter should turn to a flashing white when you attach the speaker to the charger, and the charger to a suitable power outlet, and battery recharging begins.

Picture of the JBL Xtreme portable speaker battery gauge, showing the battery nearly dead, with the blinking red lamp highlighted.
JBL Xtreme portable speaker battery gauge, showing the battery nearly dead, with the blinking red lamp highlighted.

Normally though, this meter only displays white lights.  The number of these lamps glowing tells you how full the battery is. It can appear as follows.

Picture of the Xtreme JBL speaker front view, showing the battery gauge circled with all its lights glowing This means that the Speaker is fully or almost fully charged.
Xtreme JBL speaker front view, showing the battery gauge circled with all its lights glowing This means that the Speaker is fully or almost fully charged.

Or, if the speaker is OFF when charging starts, and you don’t turn it ON during charging, then once recharging finishes, all lights in this gauge go dark. See this in the next picture.

Picture of the front view of the speaker, showing the battery status gauge all dark and highlighted.
Front view of the speaker, showing the battery status gauge all dark and highlighted.

If the gauge does not change to white when you plug the charger into the speaker, then several things might cause this. We list these below thus.

1.The Power Outlet May Be Dead

The Problem

The AC or car adapter for the JBL Xtreme speaker may not output any power because it is not receiving any to begin with. This can happen due to a defective AC or car circuit, tripped breaker, blown fuse, faulty wiring, power failure, and the like.

The Fix

Check that your receptacle has power by plugging in a lamp or other device.  Set circuit breakers back to ON if tripped, and if the outlet has a light switch that controls it, then be sure that that switch is also in the ON position.

2. The Adapter is Broken

The Problem

The JBL Xtreme not charging can also occur because the AC or car adapter is providing SOME but not FULL charging current to completely recharge the speaker, even though its getting the correct power input. Now as the unit ages, its output energy can decrease over time. So the adapter might not deliver the correct amount presently.    When this happens, you may see the gauge turn to a flashing white light, but not gradually advance toward full charge. Or it may advance, but do so more slowly than usual. Please note that this speaker needs 3 amps at 19 volts from the adapter to fully recharge in the specified time of 3.5 hours.  But charging speed may not go as fast as we expect if the charger does not deliver on these requirements.

Picture of the Charger adapter and cord Included with the JBL Xtreme Bluetooth speaker.
Charger adapter and cord Included with the JBL Xtreme Bluetooth speaker.

The Fix

The solution is to replace the power adapter, preferably one that delivers the 19 volts at 3 amps (57 watts). We advise that you order a replacement directly from JBL for fastest yet safest charging.





3. The Battery in the Xtreme is Faulty

The Problem

As lithium ion batteries age, they lose their ability to fully charge, and the characteristics of the charging current they draw changes as they get older.  Normally, as a battery recharges, it draws less and less current as it fills. But in the case of cell failure, it may draw too many or too few amps, thus confusing the charging circuits into behaving like no charging is occurring.  So the gauge shows that charging is not happening.

The Fix

To address this, replace the battery. But keep in mind that you can’t easily get the old one out of the JBL Xtreme. Indeed, changing the battery means that you must take the speaker apart, and this is a delicate exercise.

Also note that doing this likely breaks the water resistant seal.  So the Xtreme will no longer be safe to use, should you expose it to water.

Breaking this seal may well change the sound quality too. So get someone to change the old battery who knows how to pick the right replacement. They should also have the skills and supplies to restore the seal to as it was, as they reassemble the speaker. A good battery should fit well inside and provide 3.6 volts and at least 10,000 mAh (37 watt-hours). But we suggest using only JBL certified batteries for this speaker.

4. The Speaker Might be Defective when the JBL Xtreme Does Not Charge

The Problem

Even if you have the proper power supply, with a functioning battery in the speaker, the charging current that actually gets to the battery may be too low or too high.  This can happen when the battery management circuits inside the Xtreme break down.  Note that these systems are responsible for reading the battery status.  Plus, they shut down the charging current when they deem the battery as full.

But when they break, the battery might get no power at all.  Thus, it never recharges.  Again, in this case, the battery gauge might never stop flashing, even with the charger attached. You may also see that the speaker doesn’t last as long per charge before going dead, if it lasts at all, until you connect the charger. Or it might not play any amount of time from the battery.

The Fix

The best answer here, is simply to get a new JBL Xtreme.  Why?  Because the electronic parts in this model are quite small.  So unless you can confidently replace the system board(s) yourself, or know someone who will do it for you, just buy another speaker to save a bunch of aggravation.





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Other Posts About the JBL Xtreme Speaker

  1. JBL Xtreme Charging Instructions and Recharging Time
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  4. How to Rename the JBL Xtreme Bluetooth Speaker
  5. How to Connect JBL Xtreme to Alexa

References for JBL Xtreme Not Charging

  1. JBL Xtreme Official Support Page at JBL.com
  2. Where to Buy the JBL Xtreme Bluetooth Speaker

Revision History

  • 2022-07-31: First posted.
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