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JBL Pulse 4 Battery Replacement

Introduction

Your favorite tunes suddenly silenced? That telltale flicker and fade from your JBL Pulse 4 likely signals a dying battery. Before relegating it to the electronics graveyard, consider a simple battery replacement. This guide will walk you through the process, step-by-step, enabling you to revive your speaker and get the music flowing again. With a few basic tools and a little patience, you can extend the life of your device and save yourself the cost of a replacement.

What you need

  1. JBL Pulse 4 Battery Replacement, Casing Replacement: step 1, image 1 of 1

    • Power off the device before doing any repairs.

    • Hold the power button for 3+ seconds to power down the device.

    Edit

  2. JBL Pulse 4 Battery Replacement: step 2, image 1 of 3 JBL Pulse 4 Battery Replacement: step 2, image 2 of 3 JBL Pulse 4 Battery Replacement: step 2, image 3 of 3

    • Remove each rubber end cap using a plastic pry tool.

    • Go around each end of the speaker slowly popping up a small section of the rubber cap until there is a gap on all sides.

    • Remove the top by hand.

    Edit

  3. JBL Pulse 4 Battery Replacement: step 3, image 1 of 3 JBL Pulse 4 Battery Replacement: step 3, image 2 of 3 JBL Pulse 4 Battery Replacement: step 3, image 3 of 3

    • Remove the charging port cover using a plastic pry tool.

    • Remove the two 12.7 mm Phillips #1 screws.

    • Remove the charging port housing from the casing.

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  4. JBL Pulse 4 Battery Replacement: step 4, image 1 of 3 JBL Pulse 4 Battery Replacement: step 4, image 2 of 3 JBL Pulse 4 Battery Replacement: step 4, image 3 of 3

    • Disconnect the charging port connector by pulling the connector away from the port.

    • Disconnect the battery level indicator light by pulling the wire away from the lights.

    Edit

  5. JBL Pulse 4 Battery Replacement: step 5, image 1 of 2 JBL Pulse 4 Battery Replacement: step 5, image 2 of 2

    • Remove the six 8 mm Phillips #1 screws from the end of the speaker with the grill that says "JBL."

    • Remove the plastic piece where the 6 screws came out of.

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  6. JBL Pulse 4 Battery Replacement: step 6, image 1 of 1

    • Remove the six 9.5 mm screws using a Phillips #1 screwdriver.

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  8. JBL Pulse 4 Battery Replacement: step 7, image 1 of 3 JBL Pulse 4 Battery Replacement: step 7, image 2 of 3 JBL Pulse 4 Battery Replacement: step 7, image 3 of 3

    • Flip the speaker to the other end.

    • Use a pry tool to pry between the casing of the speaker and the internals.

    • Go around the entirety of this end of the speaker slowly prying apart the two pieces.

    Edit

  9. JBL Pulse 4 Battery Replacement: step 8, image 1 of 1

    • The casing is now fully detached from the internal components.

    • You can now replace the outer casing of the speaker.

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  10. JBL Pulse 4 Battery Replacement, LED Light Display: step 9, image 1 of 2 JBL Pulse 4 Battery Replacement, LED Light Display: step 9, image 2 of 2

    • Place the speaker on the table with the button board side down.

    • Remove the three black 5 mm screws using a Phillips #1 screwdriver.

    • Remove the white casing by pulling it away from the button board.

    Edit

  11. JBL Pulse 4 Battery Replacement: step 10, image 1 of 1

    • Clip off the two zip-ties using the zip tie cutter.

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  12. JBL Pulse 4 Battery Replacement: step 11, image 1 of 1

    • Peel each LED strip off of the speaker using an iFixit opening pick.

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  13. JBL Pulse 4 Battery Replacement: step 12, image 1 of 2 JBL Pulse 4 Battery Replacement: step 12, image 2 of 2

    • Remove the four black 5 mm screws using a Phillips #1 screwdriver.

    • Remove the white plastic piece that is held in place by the screws.

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  14. JBL Pulse 4 Battery Replacement: step 13, image 1 of 1

    • Remove the red/white cable from the white connection.

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  15. JBL Pulse 4 Battery Replacement: step 14, image 1 of 1

    • Remove the LED light display from the speaker.

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  16. JBL Pulse 4 Battery Replacement, Battery: step 15, image 1 of 3 JBL Pulse 4 Battery Replacement, Battery: step 15, image 2 of 3 JBL Pulse 4 Battery Replacement, Battery: step 15, image 3 of 3

    • Remove the three black 5 mm screws using a Phillips #1 screwdriver.

    Edit

  17. JBL Pulse 4 Battery Replacement: step 16, image 1 of 2 JBL Pulse 4 Battery Replacement: step 16, image 2 of 2

    • Unplug the cable connecting the battery to the motherboard.

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  18. JBL Pulse 4 Battery Replacement: step 17, image 1 of 2 JBL Pulse 4 Battery Replacement: step 17, image 2 of 2

    • Feed the wire out of the central housing unit.

    • Pull the battery out of the central housing unit.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

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Isaac Abell

Member since: 02/25/25

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Team

University of Kentucky, Team 1-6, Frey Spring 2025 Member of University of Kentucky, Team 1-6, Frey Spring 2025

UKY-FREY-S25S1G6

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