How to Charge JBL Xtreme Without Charger

Newer JBL Xtreme speakers can be charged using a USB or micro USB type of charger. Older models can only be charged using a 9V charger, even though these have USB outputs to charge other devices.  

I’m Donovan, a musician, producer, audiophile, and music lover. I’ve used many different wireless speakers over the years and have used a JBL Xtreme. I know through first-hand experience how to charge this speaker. 

This speaker will show you how to charge a JBL Xtreme speaker without a charger. I’ll explain why you need a DC charger of some sort to make this happen on older models and provide you with some other related details. 

Let’s charge. 

Key Takeaways

  • The JBL Xtreme speaker can only be charged using a 9V DC charger for older models. 
  • You can use a different DC charger other than the one that comes with the speaker if you lose the original or it breaks. 
  • You can use a USB or Mircro-USB connection to charge the newer JBL Xtreme 3, as this model has a different design to support this. 
  • The newer JBL Xtreme supports multiple charging voltages, allowing you to use different types of chargers. 

How to Charge JBL Xtreme Without Charger

Before we dive into the details of how you can charge a JBL Xtreme without a charger, it’s important to touch on a few things. If you have the original Xtreme, you can only charge it one way – with a 9V charger. 

If you have a newer JBL Xtreme, you can use several different chargers because it has more inputs for charging than the older models. The JBL Xtreme can be charged using a cell phone charger or a laptop charger. It also has a 9V charging port. 

Regardless of which model of the Xtreme you have, charging it with the 9V charger is the best way to go about it. This will give you the quickest charging time. Since this is a larger speaker, charging to full capacity with a USB connection will take quite a while. 

The information here will help you figure out how to charge your JBL Xtreme speaker without a charger. Remember that this is not exactly possible on older models of this speaker, but it’s easy with new ones. 

Follow these tips to charge the original JBL Xtreme without a charger: 

You need to use a 9V charger of some type to charge the original JBL Xtreme. This speaker model does not have the capability of USB charging as the newer models do. So you technically only have one way to charge it. 

That doesn’t mean you have to use the original charger, though. If you have lost or misplaced the charger that came with your JBL Xtreme, you can use any 9V charger to charge up the speaker successfully. 

9V chargers are more old-school than the chargers most of us use with cell phones and laptops. These have the round connection port and a larger charger unit that is capable of converting AC to DC power. 

You’ll need to purchase a new 9V charger if yours is lost or isn’t working. You can also use another one of these chargers you might have lying around the house. Just plug the smaller input into the speaker and the other end into a wall outlet. 

This isn’t really advice on how to charge your speaker without a charger. But it’s the only way to charge an original JBL Xtreme if you don’t have the original charger. 

Even though the JBL Extreme has USB inputs, these aren’t used for charging the speaker. They can be used to charge other USB devices but are not designed to take a charge directly to the speaker’s battery. 

Follow these tips to charge a newer JBL Xtreme without a charger: 

If you have a newer JBL Xtreme charger, like the JBL Xtreme 3, you have more ways to charge the speaker than just the 9V charger. All of the same advice applies from the section above, but you can also use a USB or micro-USB type of charger to charge the device. 

Using the included 9V charger is still the best way to go about charging the Xtreme 3. This will give you the fastest charging time and is the preferred method for that reason. 

If you don’t want to use the 9V charger or forgot to bring it along with you, you can use a common type of phone or laptop charger as well. 

1. Determine which type of charger you have that will work with your newer JBL Xtreme. 

2. Plug one end of the charging cable into the corresponding charging port on the JBL Xtreme. These ports are found underneath the tab on the backside of the JBL Xtreme 3. You’ll see a USB, micro-USB, and 9V charging slot. 

3. Plug the other end of the cable into a charging block. 

4. Plug the charging block into a wall outlet. 

5. Wait for the speaker to charge. 

Again, charging the JBL Xtreme using any type of USB connection will take longer than the standard 9V option. Be prepared to wait quite a while for it to reach a full charge if you go with a lower-wattage charger. 

The charging ports in a JBL Xtreme 3 speaker support 5-volt, 9-volt, 12-volt, and 20-volt charges. This gives you a lot of options when you want to charge things up without the standard charger that comes with the speaker. 

The JBL Xtreme 3 will also allow you to charge other devices through the standard charging ports. This means you can use some of the speaker battery to charge up your phone or other device if you want to.  


Here are a few quick answers to some of the most frequently asked questions related to how to charge a JBL Xtreme without a charger. 

Can you charge a JBL Xtreme with a USB? 

You can only charge newer JBL Xtreme speakers with a USB. The original JBL Xtreme can only be charged using a 9V charger. Newer speakers can also be charged using a USB or micro-USB connection. USB charging will take longer than the standard method. 

Can you charge JBL Xtreme with phone charger? 

You can charge newer JBL Xtreme speakers with a phone charger because this device accepts USB and micro-USB charging. You can’t use a phone charger with older JBL Xtreme speakers because they can only be charged with the included 9V charger. 

Can I charge my JBL with a USB? 

Most JBL speakers are capable of being charged with a USB connection. This might not be as fast as charging through other methods, but it’s still effective. Some speakers, such as the original JBL Xtreme, can only be charged using a 9V type of charger. 

How do I charge my JBL speaker from my phone? 

You can use your phone to charge a JBL speaker by connecting the two devices with the appropriate cable. A micro-USB cable is commonly used for this reason, but it depends on what type of phone you have. Not all JBL speakers can be charged this way. 

What charger works for the JBL Xtreme? 

If you have a newer JBL Xtreme, you can use the included 9V charger or choose a USB or micro-USB lower-wattage charger. If you have an older JBL Xtreme, you can only charge it using the included 9V charger. 

Final Thoughts

Charging a JBL Xtreme without a charger is really only possible if you have a newer model of this speaker, like the JBL Xtreme 3. This model has standard charging, USB, and micro-USB ports to give you plenty of charging options. 

You can only charge the original JBL Xtreme by using a 9V charger. If the charger you have is broken or isn’t working, you can use another 9V charger, as these are almost always compatible with one another. You can’t charge the original Xtreme via USB. 

What JBL Xtreme model do you have? How do you like it? Let me know in the comments below.

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