Jam speakers have become a popular choice for many music enthusiasts due to their portability and quality sound.

However, like any electronic device, they are not immune to issues. One common problem that users encounter is the speaker not charging.

This can be frustrating, especially if you’re planning to take your speaker on the go or use it for a party.

In this guide, we’ll explore seven potential fixes for this issue to get your Jam speaker back up and running.

Why Is the Jam Speaker Not Charging? common reasons

When a Jam speaker is not charging, common reasons could include issues with the USB connector, charging port damage, incompatible power supply, low battery voltage, blown fuse, or faulty charging circuit components.

How to Fix Jam Speaker Not Charging?

Now that we have identified some of the common reasons, why your Jam Speaker, lets move on some easy fixes.

1. Damaged USB Connector

A damaged USB connector can prevent the charging cable from making proper contact with the speaker, thus hindering the charging process. Wear and tear over time, accidental damage, or manufacturing defects can lead to a damaged USB connector.

Here’s what you need to do:

  • Inspect the USB connector for any physical damage.
  • Ensure that the connector is not loose or misaligned.
  • If the connector appears damaged, consider seeking professional help for repair or replacement.

2. Faulty Charging Port

Debris or damage to the charging port can interfere with the connection between the charging cable and the speaker, preventing effective charging.

Here’s how to clean the charging port:

  • Carefully examine the charging port for any visible signs of damage or obstruction.
  • Gently brush out any dirt with a soft-bristled brush.
  • Use compressed air to blow out stubborn debris.
  • Dampen a cotton swab with isopropyl alcohol and clean the port.
  • Let the port air dry completely.
  • Reconnect and test the charging functionality.

3. Incompatible Power Supply

Using a power supply that does not provide the correct voltage or current can result in inadequate charging or damage to the speaker.

Incorrect power adapters or chargers may not meet the requirements specified for the Jam speaker, leading to charging issues.

Troubleshooting Steps:

  • Verify that the power supply you are using is compatible with the Jam speaker.
  • Check the voltage and current output of the power adapter to ensure it matches the specifications recommended by the manufacturer.
  • If unsure, use the original charger provided with the speaker or purchase a certified replacement.

How to Fix Jam Speaker Not Charging?

4. Low Battery Voltage

A low voltage in the speaker’s battery can indicate degradation or malfunction, resulting in inadequate charging performance.

Overuse, age, or exposure to extreme temperatures can cause the battery to lose its capacity or efficiency over time.

Here’s what you need to do:

  • If the battery is removable, remove it from the speaker and check its voltage using a multimeter.
  • Compare the measured voltage with the manufacturer’s specifications to determine if it is within an acceptable range.
  • If the voltage is low, consider replacing the battery with a new one.

Also Read: Oontz Angle 3 Not Charging: 8 Easy Solutions

5. Blown Fuse

A blown fuse within the speaker’s circuitry can disrupt the charging process and prevent the device from powering on.

Overloading, short circuits, or electrical surges can cause the fuse to blow, interrupting the flow of electricity.

Troubleshooting Steps:

  • Locate the fuse within the speaker (if applicable) and inspect it for signs of damage or discoloration.
  • Test the continuity of the fuse using a multimeter to determine if it is functioning properly.

Replace the fuse if it is blown, ensuring to use a fuse with the same specifications as the original. Here’s how to replace the blown fuse:

  • Turn off the speaker and disconnect it from any power source.
  • Check the speaker’s manual or casing for access to the fuse.
  • Using needle-nose pliers, carefully pull out the old fuse.
  • Insert the new fuse into the socket, ensuring it matches the specifications of the old one.
  • Reconnect the speaker to power and test its functionality.

6. Faulty Charging Circuit

Issues with the charging circuitry in the speaker can disrupt the charging process, necessitating repair or replacement.

Faulty Charging Circuit

Common causes of such malfunctions include manufacturing defects, component wear, or damage from electrical fluctuations.

Here’s what you need to do:

  • If proficient in electronics and have access to a multimeter, trace the charging circuit on the speaker’s PCB.
  • Identify any faulty components such as capacitors, resistors, or diodes that may be impeding the charging process.
  • Repair or replace the faulty components as necessary to restore proper functionality.

7. Reset Jam Speaker

Resetting a Jam speaker can sometimes resolve various issues, including charging problems. This is because a reset clears any temporary glitches or errors that may be causing the issue.

How to reset the Jam Speaker?

  1. Power it off.
  2. Locate the reset button (usually on the bottom or back).
  3. Press and hold the reset button for about 10-15 seconds.
  4. Release the reset button.
  5. Power the speaker back on to check if the charging issue is resolved.

8. Update Firmware:

If resetting the speaker doesn’t resolve the charging issue, there might be Outdated software issues. Outdated firmware can cause various problems, including charging issues.

By updating the firmware, you ensure that your Jam speaker has the latest software improvements, which can potentially address charging issues and enhance overall performance.

Update Firmware

Here’s How to do it:

  1. Identify your speaker model: This information is usually located on the back of the speaker or on the packaging.
  2. Visit the Jam Audio website: Go to https://www.jamaudio.com/.
  3. Navigate to the Support section: Look for a section labeled “Support,” “Help Center,” or similar on the website.
  4. Find your speaker model: Use the search bar or browse the product categories to find your specific speaker model.
  5. Check for firmware updates: Look for a dedicated section for downloads, firmware updates, or FAQs related to your speaker.
  6. Download the update: If an update is available, download the firmware file according to the instructions provided.
  7. Update process: The update process might involve using a companion app, connecting the speaker to your computer, or following specific button combinations on the speaker itself.


Experiencing issues with your Jam speaker not charging can be frustrating, but with the right troubleshooting steps, you can often identify and resolve the underlying problem.

By following above fixes step by step, you can effectively diagnose and address the issue. If you’re unable to resolve the problem on your own, don’t hesitate to seek professional assistance or contact the manufacturer for further support.

With these fixes, you’ll hopefully have your Jam speaker charging and ready to deliver your favorite tunes once again.

Winston, an experienced engineer with over 10 years in the tech industry, graduated from Stanford University. Having worked with renowned tech leaders like InnovateTech, Nexus Solutions, and Quantum Systems, his expertise shines through in his blog, Tech Fixes, where he shares practical solutions to common product issues.