How to replace the battery of a JBL Flip 4? 

 September 19, 2021

By  Phil Borges

If you are out in the market for a Bluetooth speaker, then look no further than the JBL Flip 4. This unit is waterproof, has excellent sound quality, and can be connected to an app that will give you updates on when your battery needs charging. The only problem with this unit is that it does not come with a charger! It just so happens that it isn't hard to replace the battery pack of this device - but we'll get into more detail about how to do so later in this blog post.

How to replace the battery of a JBL Flip 4?

It's a common problem for battery-operated devices to lose power. It is difficult to know when your device will stop powering up, but there are some signs that it might require battery replacement. If you notice that your device has short battery life or if it takes longer to work than usual, then you may need to replace the battery. 

Fortunately, replacing JBL Flip 4 batteries is easy and only requires a few tools to work this out. Follow these steps below in order not to damage your speaker:  

Step 1: You need to use a plastic opening tool to open the cover by inserting the tip of the tool in between the cover and rubber spine near the power button. Remove the cover gently and begin pulling it up from the side where the volume and Bluetooth buttons are, then work your way around.

Step 2: Loosen the four screws found at the base and on the other end of the speaker with the use of a small screwdriver.

Step 3: Use the plastic opening tool to pry apart the clips that hold the rubber spine's center section. Remove the spine casing by prying away one end with your thumbs.

Step 4: Remove the five screws found from the end cap on the opposite side of the USB connection. Remove the end cap with your hand after taking out the screws. This will show where the battery compartment is.

Step 5: You'll have to loosen the two screws that secure the battery connector cover and remove the battery cover.

Step 6: Disconnect the large white plug that joins the battery's wires to the mainboard, then pull out the battery carefully with your hands.

Step 7: Insert the new battery in the battery compartment and connect the white plug back to the mainboard.

Step 8: Return the battery cover and tighten the two screws to secure the battery in place.

Step 9: Reattach the end cap and tighten the 5 screws.

Step 10: Return the spine casing and retighten the 2 screws found at the base of the speaker and the other 2 screws at the opposite end.

Step 11: Replace the speaker cover to where it originally was and make sure that the buttons are placed on the correct side, then snap the cover back into place.

Step 12: Turn your device back on and test if everything is working properly.

Just a friendly reminder, the speakers are powerful magnets. Keep it away from other delicate electronics while doing the battery replacement.

What battery does a JBL Flip 4 use?

JBL's new Flip 4 portable Bluetooth speaker is the best way to get your tunes wherever you are. This speaker can deliver surprisingly powerful stereo sound, thanks to its 3000mAh rechargeable Li-ion battery that has enough power to play for 12 hours straight.

For the best performance, it is suggested that you must calibrate your newly installed battery. Charge it up to 100% and keep on charging for an additional two hours.

You should also know that Lithium-ion batteries are prone to swelling as a result of age or defect, and it becomes a fire risk. When this happens, you must replace the battery immediately and dispose of the damaged battery in a proper way.

Why is the battery of JBL Flip 4 draining fast?

One common reason why its battery is draining fast is that the device has a faulty battery. A defective battery could have been the result of an old battery that has not been used for a long time. Another possible reason is that it was manufactured with poor quality and therefore drains too fast, or even worse - stops working completely after some time.

The best way to find out whether the device's battery itself is faulty or there are other reasons causing its bad performance is to consult an expert.


To fully enjoy listening to music on your JBL Flip 4, it's important that you know how to replace the battery when needed. Replacing the battery isn't that complicated, as shown above, but requires a bit of patience to complete the work.

To avoid battery drain issues, it is best to charge the device after every use. Additionally, it's not ideal to leave your JBL Flip in the sun or at high temperatures for too long, as this can also shorten its life span and might lead to technical issues later on.

If your JBL Flip 4 malfunction and you don't know what causes the battery to stop working, you can always contact JBL or take your speaker into a store where it can be tested.

About the author

Hi, I'm Phil Borges.. thanks for reading.. My wife says I can't shut up about batteries so to save my marriage I've started this blog .. where I'd be ranting about batteries! Please leave a comment if you have any questions, I'm happy to help!

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