How To Fix JBL  Tune 750 BTNC Not Charging Issue

The JBL Tune 750 BTNC headphones are known for their impressive sound quality and noise-canceling features. However, like any electronic device, they can encounter charging issues. 

In this article, we will guide you on how to properly charge your JBL Tune 750 BTNC headphones, explain the expected battery life, and identify signs of low battery. 

Additionally, we will cover common charging errors, such as incomplete charging and sudden battery drainage, and provide practical solutions to fix these issues. 

By following these steps, you can ensure your headphones remain charged and ready for use.

How To Charge JBL  Tune 750 BTNC

Let me tell you how to charge your JBL Tune 750 BTNC headphones. If you want to charge your JBL headphones, look inside the box. 

Usually, there is a USB cable that comes with the JBL Tune 750 BTNC headphones. Take out that cable; it has two ends. 

One end is meant to connect to your JBL Tune 750 BTNC headphones, and the other end is to connect to your Android or iPhone adapter. 

Connect that adapter to a power plug, and charging will start. The end that goes into the charging port should be connected to the USB port on the right ear cup of your JBL Tune 750 BTNC headphones. 

Once the other end is connected to the adapter, you will be able to charge your headphones. If you want to check, there is a light next to the USB port that will turn red, indicating that your JBL Tune 750 BTNC headphones are charging.

How Long Charge Stay in JBL Tune 750 BTNC

If you want to know how long your JBL Tune 750 BTNC headphones will work after one charge, you first need to fully charge them. Typically, it takes at least 2 hours to fully charge. 

Connect your headphones to the charger for 2 hours, and then start using them. After a full 2-hour charge, the battery will last for almost 15 hours. This means you can use your headphones for 15 hours before the battery dies. 

After 15 hours, you will need to charge them again.

Signs That Shows JBL Tune 750 BTNC Battery Low

If you want to check if your battery is low, the best way is to look at the light on your headphones. If it is blinking red, turning on and off intermittently, it means your battery level is low, and you need to charge your headphones.

Read Here: How to Pair JBL Tune 750 BTNC: Fix Connection Issue

Common JBL  Tune 750 BTNC Charging Related Error

Many users report various charging errors related to their JBL Tune 750 BTNC headphones. Here, we will mention some common charging errors you might face and provide the best ways to fix them.

JBL  TUNE 750 BTNC Not Fully Charging

The first issue you might notice with your headphones is that they don’t charge properly. You may see that your headphones stop charging at 30 percent, and the charging level doesn’t increase beyond that. 

The battery gets stuck at 30 percent and your headphones are unable to recharge. This is a common error that many JBL Tune 750 BTNC users report.

Sudden Battery Drainage

Additionally, many users report that after charging their headphones for 2 hours and starting to use them, the battery suddenly dies instead of lasting for 15 hours. Their headphones power off abruptly due to the battery running out. This indicates that there is some error in the battery, causing it to drain suddenly.

Fix JBL  Tune 750 BTNC Not Charging Issue

Follow our given steps to fix common JBL Tune 750 BTNC charging errors. Read each step carefully and attempt them with care. Hopefully, after this, you will be able to fix the charging-related errors.

Repair The Usb-Port 

As we mentioned, there is a USB port on the headphones where you plug in the USB cable for charging. This port plays a crucial role in charging. Sometimes, while plugging in or removing the USB cable, the USB port can get damaged, which can prevent your headphones from charging properly. 

Try to fix the USB port yourself or seek help from a USB technician. Once you repair the USB port, a stable connection between the USB port and the USB cable will be established, and your headphones will start charging properly. You will no longer face charging issues.

Use Another USB Cable

If you are charging using one cable, I suggest you try using another USB cable before taking any other steps. It is possible that your old cable is damaged, which is why your headphones are not charging. 

Try using a different cable. Connect this cable to your JBL Tune 750 BTNC headphones and your charger adapter, and attempt to charge your headphones. Hopefully, using a new or different cable will start charging your headphones, and you won’t need to take any further steps.

Compare: Jbl Live 660NC vs Jbl Tune 750BTNC

Use and Recharge

Many users report that when they try to charge their JBL Tune 750 BTNC headphones, the headphones don’t charge. However, they keep trying to charge their headphones. When the battery dies automatically during usage, they start charging their headphones again. 

What I suggest is to fully discharge the battery first. Use the headphones until the battery goes to zero. Once it reaches zero, start recharging them. Hopefully, by doing this, your headphones will start charging properly, and you won’t face charging errors.

Reset JBL Tune 750 BTNC Headphones

Resetting your JBL Tune 750 BTNC headphones can indeed resolve various charging-related issues, including “not charging” problems. There are different ways to reset headphones, and we have written an article specifically on how to reset JBL Tune 750 BTNC

You can read our article to learn how to reset your headphones and potentially fix the charging issues you’re facing.

Replace If Warranty Available

If you’ve followed all the given steps and are still facing charging-related issues, I suggest checking if your headphones are under warranty. If they are, you can get them replaced with new ones. 

When purchasing new headphones, make sure to save their serial numbers. In case you need a replacement in the future, you can provide the serial numbers for a hassle-free replacement process.

Compare: Jbl Live 650BTNC vs Jbl Tune 750BTNC


Charging issues with your JBL Tune 750 BTNC headphones can be frustrating, but they are often resolvable with a few straightforward steps. 

By understanding how to properly charge your headphones, recognizing signs of low battery, and addressing common charging problems, you can ensure that your headphones function smoothly. 

If basic troubleshooting does not resolve the issue, consider more advanced steps such as repairing the USB port, trying a different cable, or resetting the headphones. 

Should these efforts fail, checking the warranty and seeking a replacement may be the best solution. With these guidelines, you can enjoy uninterrupted use of your JBL Tune 750 BTNC headphones.

Compare: Jbl Tune 600BTNC vs 750BTNC

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