Introdução
Follow this guide to replace a worn-out or dead battery in your Logitech G435 headset. The battery is located in the left ear cup.
It’s natural for batteries to lose capacity as they age. If your headset dies quickly and doesn't hold a charge, it may be time to replace the battery.
For safety, perform this repair when your battery is below 15% charge. Any charged lithium-ion battery can be hazardous if punctured or damaged. If your battery looks puffy or swollen, take appropriate precautions.
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With one hand, firmly hold an ear cup steady.
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With your free hand, slowly pull the ear pad away from the cup until it slides completely off its plastic lip.
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Repeat the process to remove the other ear pad.
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Use angled tweezers to peel up and remove the sticker covering the top-left speaker plate screw.
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Use your fingers to swing the speaker plate out of the housing.
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Use some tape to secure the speaker plate to the headband. This keeps the speaker plate out of the way while preventing the speaker wire from being strained.
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Use your fingers to lift the circuit board slightly out of its recess.
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Flip the circuit board over so you can access the underside.
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Use tweezers to firmly grip the edges of the battery connector.
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Gently rock the connector side-to-side and slide it out of its socket.
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Insert the flat end of a spudger underneath the battery.
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Pry gently to release the battery from the ear cup.
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Remove the battery.
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Use your fingers to peel the foam pad from the battery.
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Transfer the pad onto the same side of the replacement battery.
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Cut and attach a small strip of double-sided tape onto the battery.
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Use your finger to press the battery onto the ear cup such that the wires face towards the circuit board socket.
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Align the circuit board notch on the right side of the USB-C port to the ridge on the ear cup.
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Insert the circuit board at a downward angle and guide the USB-C port into its cutout.
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Press the bottom edge of the board against the ear cup and tilt the board down.
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This is a tight fit, as the board has to clear the screw post next to the port to be properly seated.
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Use a Phillips screwdriver to install the two 4.6 mm‑long screws to secure the circuit board.
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Orient the ear pad so the wider part is at the top.
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With one hand, firmly hold an ear cup steady.
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With your free hand, place the pad over the top of the cup, so the black fabric flap slips over the cup's plastic lip.
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Thread the rest of the flap over the lip, working your way around the entire cup. Gently stretch the pad as necessary.
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Check the entire perimeter of the cup to make sure the ear pad is fully on. If any of the fabric flap is sticking out, try to push it over the lip or remove the ear pad and try again.
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Congratulations on completing your repair!
Reuse or Recycle—Never put discarded electronic parts in household waste. Visit Logitech Recycling to find your nearest recycling points, including the option to mail back old devices to Logitech for free if there’s no convenient solution in your area. You can also take your e-waste to any R2 or e-Stewards certified recycler. And don’t let good working parts or repaired devices die a slow death in your sock drawer—pass them along to someone who can use them.
Share your experience—Leave a comment here or send your feedback directly to Logitech at repair@logitech.com to help shape future repair guides and product design.
