The JBL Pulse 4 not charging problem that you are experiencing can be caused by several factors. It could be due to the speaker settings, a defective charging port, defective charging cable, or a defective charger. To fix this you will need to perform a series of troubleshooting steps.

The JBL Pulse 4 is a portable Bluetooth speaker that is best known for its powerful sound and 360 degrees LED light. It’s best used when playing your favorite music as its light will pulse to the beat. Some of its features include an IPX7 waterproof body, 12 hour playtime on a single charge, and PartyBoost which allows you to sync two speakers just to name a few.

Technical specifications of the JBL Pulse 4:

Support: A2DP V1.3, AVRCP V1.6
Transducer: 2.25 inch
Rated power: 20W RMS
Frequency response: 70Hz – 20kHz
Signal-to-noise ratio: >80dB
Battery type: Lithium-ion polymer 26 Wh (3.6V, 7260mAh)
Battery charge time: 3.5 hours (5V/3A)
Music playtime: up to 12 hours (varies by brightness & volume level and audio content)
Bluetooth transmitter power: ≤10dBm
Bluetooth transmitter frequency range: 2.402 – 2.480GHz
2.4GHz SRD frequency range: 2.407 – 2.475GHz
Bluetooth transmitter modulation: GFSK, π/4-DQPSK, 8DPSK
Dimensions (W x D x H): 96 x 96 x 207mm
Weight: 1260g

What to do when your JBL Pulse 4 won’t charge

One problem that you might encounter with your Pulse 4 Bluetooth speaker is when it doesn’t seem to charge. This can be an annoying issue especially if the speaker is running low on power as you won’t be able to use it. Here are the troubleshooting steps you need to do to fix the problem.

Method 1: Perform a factory reset on JBL Pulse 4

The first troubleshooting step you should perform is a factory reset or hard reset. This is a procedure that will erase the data on the speaker and bring it back to its default settings. This is a useful troubleshooting step to perform whenever you are experiencing problems with it.

Time needed: 2 minutes.

Reset the speaker

Turn on the device.
You can do this by pressing on the power button.
Press and hold the Volume up button and Play button.
Do this until the device turns off which should be around 5 seconds.
Turn on the device.
You can do this by pressing on the power button. The device should now be in pairing mode

After performing these steps try checking if it can now charge.

Method 2: Dirt present in the charging port

Sometimes dirt or debris will get lodged in the charging port of the speaker especially if it is constantly used outdoors. Try to inspect the charging port of the Bluetooth speaker and if you find any dirt or debris then you can clean this off using a toothpick or simply by blowing to it until it gets removed. Once done, check if you can charge the speaker.

Method 3: Try using a different charging cable

There’s a possibility that the USB type C charging cord that you are using to charge the speaker is defective. It’s difficult to tell if the cord has been damaged just by looking at it so the best thing to do right now is to try using a different USB type C charging cord.

Method 4: Try using a different wall charger to fix not charging issue of Pulse 4

If the wall charger that you are using is not working then it will not be able to charge the speaker. Some of the reasons why a charger won’t work is if its port is damaged or if it has a faulty internal board. Try using a different wall charger then check if the issue still occurs.

Method 5: Defective battery

If the battery of the speaker is damaged then you won’t be able to charge it. If this is the cause of the problem then replacing the battery will fix this. It’s recommended that you have this done at a service center.

Some reasons as to why a battery will get damaged is repeated overcharging or constant exposure to heat such as when you leave the speaker under the sun.

Method 6: Defective circuit board

The internal circuit board of the speaker will get damaged if it comes in contact with water. If this is what’s causing the problem then you will need to have this fixed at a service center.

Having the JBL Pulse 4 not charging issue can be a frustrating experience. Hopefully, this solution will help you fix the problem.

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