Sennheiser Hd 4 50 Battery Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          15 - 30 minutes

Sections

Battery
5 steps

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Introduction

What you need

Step 1

              Battery

Locate the side designation on the headband-earpiece junction.
The battery is on the left side.
The motherboard is on the right side.

Locate the side designation on the headband-earpiece junction.

The battery is on the left side.

The motherboard is on the right side.

1024

Step 2

Remove the ear pad from the left ear cup.
Refer to the Ear Pad Removal guide for more guidance.

Remove the ear pad from the left ear cup.

Refer to the Ear Pad Removal guide for more guidance.

Step 3

Use a Phillips #00 screwdriver to remove the four 10 mm screws holding the ear cup cover in place.
Use an opening tool to pry open the cover.
Remove the cover.

Use a Phillips #00 screwdriver to remove the four 10 mm screws holding the ear cup cover in place.

Use an opening tool to pry open the cover.

Remove the cover.

Step 4

Use a spudger to pry the battery from the plastic case.
The battery is held down by a strong adhesive, so it will give resistance.

Use a spudger to pry the battery from the plastic case.

The battery is held down by a strong adhesive, so it will give resistance.

Step 5

Using tweezers, pull the white battery connector upwards out of its socket.
Remove the battery.

Using tweezers, pull the white battery connector upwards out of its socket.

Remove the battery.

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

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                                                                                      5 other people completed this guide.

Author

                                      with 3 other contributors

                    Grace Singley

Member since: 02/19/2021

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Team

                       University of Alabama, Team S2-G1, Bedsole Spring 2021                        

                                                  Member of University of Alabama, Team S2-G1, Bedsole Spring 2021 



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                                            11 Guides authored

Fren6 - Aug 30, 2022

Hello ! Thanks for the tuto. Do you know where to buy the battery ?

Santanu Ghosal - Sep 11, 2022

You can search with the part number(Shown in the photo) : AHB622540N1/AHB622540N01.

M Lawson - Oct 28, 2022

Does anyone know if I can use the he 450 bt replacement battery in a 350 bt headphone? The difference in the spec is that the 450’s battery has a longer battery life (2.2 wh vs. 1.3 wh)

Introduction#

What you need#

Team#

Introduction

What you need

Team