How do I replace worn out batteries

Question

Powerbeats Pro

Repair and disassembly information for the Powerbeats Pro true-wireless earbuds. Released in May of 2019. Model number: MV6Y2LL/A, MV702LL/A, A2047.

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Harvey Himel @harveyhimel

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게시일: 2023년 10월 8일

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How do I replace worn out batteries

The powerbeats pro charge to 100% in the case and shut off after 30 minutes of use

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I ordered a pair of Varta CP1254 A3 batteries advertised for Powerbeats on eBay but the 5.4mm height is about 1mm taller than the OEM battery. It doesn't fit. All the listing specs also have 5.4mm height? Any suggestions?

bloodygalah 의 2024년 6월 8일

@bloodygalah

Have you checked the original battery to see what model number is stamped on it?

jayeff 의 2024년 6월 8일

@jayeff

No markings on the OEM battery at all I'm afraid

bloodygalah 의 2024년 6월 8일

@bloodygalah

That makes it tough.

You may have to measure the dimensions and then see if you can find a similar size "3.7V 0.2W rechargeable battery with solder tabs".

Soldering wires to a battery is dangerous as it heats the battery too much. That's why getting batteries that already have them factory fitted is better and safer

jayeff 의 2024년 6월 8일

@bloodygalah

Apologies, must have had a brain fade.

Obviously not AA size.

Also since the original has no markings make sure that if you do find a replacement that you connect it correctly i.e. +ve side of battery to +ve wire from the board if wires are coloured then red wire is +ve and black wire is -ve.

You may need to have a DMM (digital multimeter) to find out which is the +ve side on the original battery if the connecting wires aren't coloured differently.

jayeff 의 2024년 6월 8일

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I ordered a pair of Varta CP1254 A3 batteries advertised for Powerbeats on eBay but the 5.4mm height is about 1mm taller than the OEM battery. It doesn't fit. All the listing specs also have 5.4mm height? Any suggestions? — bloodygalah
@bloodygalah

Have you checked the original battery to see what model number is stamped on it? — jayeff
@bloodygalah

That makes it tough.

You may have to measure the dimensions and then see if you can find a similar size "3.7V 0.2W rechargeable battery with solder tabs".

Soldering wires to a battery is dangerous as it heats the battery too much. That's why getting batteries that already have them factory fitted is better and safer — jayeff
@bloodygalah

Apologies, must have had a brain fade.

Obviously not AA size.

Also since the original has no markings make sure that if you do find a replacement that you connect it correctly i.e. +ve side of battery to +ve wire from the board if wires are coloured then red wire is +ve and black wire is -ve.

You may need to have a DMM (digital multimeter) to find out which is the +ve side on the original battery if the connecting wires aren't coloured differently. — jayeff