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How to Fix the No-Charging or No-Power Problems on the Sonos Ace Headphones by Replacing the Battery (DIY Repair Guide)
Do your Sonos Ace wireless headphones refuse to power on, require frequent recharging, or shut down unexpectedly even when the battery hasn’t dropped to 1%? Do they deliver significantly shorter playback time or fail to charge when connected to a power source? These are common signs of a dead or failing battery. Replacing it with a genuine part can restore battery life.
In this DIY repair guide, we show you how to replace a dead or failing battery in the Sonos Ace headphones at home with original replacement parts. Find the tools and genuine spares below.
Repair Difficulty
Moderate / Requires 30-45 minutes to complete.
This repair involves carefully handling delicate internal components, including cables, connectors, battery, and small screws. You don’t need technical skills or experience to complete this repair. With the right tools, a bit of patience, and attention to detail, you can replace the battery in the Sonos Ace headphones yourself.
Replacement Parts You’ll Need
Restore the battery health and playback time of your Sonos Ace Bluetooth headphones by installing a genuine battery. Select the OEM replacement parts from the drop-down menu below to bring your device back to peak working condition.
- Sonos Ace Battery AEC741935-1S2P 1060mAh + Repair Tool Kit OEM Replacement Parts
- Sonos Ace Headphones Battery AEC741935-1S2P 1060mAh OEM Replacement Parts
Tools You’ll Need
Before replacing your Sonos Ace headphones’ battery, gather the following tools. Using the correct instruments will help you complete the repair successfully. We used the following tools and recommend them for a safe, professional-quality DIY fix at home.
- T5 Torx Screwdriver
- Precision Tweezers
- Strong Metal Pry Tool
- Nylon Spudger
- Heat-Proof Anti-Static Rubber Work Mat
Step-by-Step DIY Guide to Replacing a Dead or Failing Battery in the Sonos Ace Wireless Bluetooth Headphones Yourself
In this DIY repair guide, we will show you how to fix a no-charge issue by replacing a dead or failing battery in your Sonos Ace headphones. Follow each step carefully and use the accompanying images as a visual guide to complete the repair with confidence.
The battery in the Sonos Ace wireless headphones is inside the left earcup. For this repair, we'll work only on the left side.
Step 1: Remove the Left Earpad
1.1. Pop the magnetic earpad off the earcup and set it aside.
1.2. Insert a strong metal pry tool under the plastic panel covering the magnets and the 4 screws securing the earcup housing.
Step 2: Disassemble the Left Earcup
2.1. Unfasten the 4 T5 screws securing the earcup housing, then store them carefully in one of the slots on the rubber work mat.
2.2. Gently lift the speaker cover. Be careful not to tear the ANC ribbon.
2.3. Unfasten 2 screws from the AUX port and set them aside.
Step 3: Extract the Dead or Failing Battery
3.1. Unfasten the 2 screws securing the old battery to the earcup housing.
3.2. Disconnect the battery connector, extract the old battery from the housing, and discard it.
Step 4: Install a New Battery
4.1. Grab a new battery, align it with the battery housing, then secure it with 2 T5 Torx screws.
4.2. Reconnect the battery wire
4.3. Secure the charging/AUX port with 2 screws.
Step 5: Reassemble Your Sonos Ace Headphones
5.1. Pop the speaker cover back on the earcup, then secure it with 4 screws. Make sure the internal wires don’t come in the screw holes.
5.2. Reinstall the plastic panels over the magnets and the screws.
5.3. Pop the magnetic earpad into place.
Congratulations! Your Sonos Ace Wireless Bluetooth Headphones are Ready to Use
You have fixed the no-charge issue on the Sonos Ace Bluetooth headphones by replacing the dead or failing battery. Check charging stability, audio quality, button response, Bluetooth pairing, and playback time to confirm the device is functioning properly.
If you found this guide helpful and want to try DIY gadget repair, check out our store for essential tools and spare parts. You can also check out our at-home headphone repair guides for other popular brands, including Apple, Beats, Bose, and Sony.
Have questions or suggestions about this repair? Text a repair ninja or email us, and we’ll get back to you shortly.