Headphones have stopped charging

Question

Sennheiser HD 4.50

Released January 2017, the Sennheiser HD 4.50BTNC headphones are Bluetooth, over the ear headphones.

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I tried to recharge my headphones yesterday and noticed the red light would not come on that indicates they are charging

I tried different usb c cables and plugs. I also cleaned the usb c port on the headphones in case there was a connection issue

The red light will come on for no more than 20 seconds before going out again.

Each usb c cable and plug I try is working with other devices so I'm sure it's not an issue with them.

I've had no problems charging before yesterday and had the headphones for about 2 years

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score 2 · Answer 1 · 2022-12-12T06:36:16-07:00

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Try replacing the battery and check if that resolves the problem.

Here's the ifixit Sennheiser HD 4.50 Battery Replacement guide that will help.

Search online for AHB622540N01 battery (supplier example only) to find suppliers that suit you best.

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