What is this thing inside layer the Galaxy S5 battery⁉️

C

carbonzit

Well-Known Member

• Aug 24, 2024

• #2

Well, I don't know either. What does it look like? Picture? or at least a description would help.

 

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rjenkinsgb

Well-Known Member

Most Helpful Member

• Aug 24, 2024

• #3

Most "pouch" cells have a protection module in them, to prevent overcharge or over-discharge.
Some for phones etc. may have a more complex module with the current monitoring for charge state as well.

It's usually across the terminal end of the cell. It may be visible, depending if the protective wrap is see-through or opaque.

Examples - a couple of generic pouch cells with the module visible, and a scrap battery from an iphone with the black covering removed.

 

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electronium

Member

• Aug 24, 2024

• #4

I sent the photo, it seems that it was not uploaded, but now it has been sent

 

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C

carbonzit

Well-Known Member

• Aug 24, 2024

• #5

Gotcha; came through.
It sure looks like an RFID patch, but why?

 

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Nigel Goodwin

Super Moderator

Most Helpful Member

• Aug 24, 2024

• #6

Is it a wireless charging coil?.

 

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rjenkinsgb

Well-Known Member

Most Helpful Member

• Aug 24, 2024

• #7

OK, now the photos have been added.

It's a charging coil for the QI system or similar.

 

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electronium

Member

• Aug 24, 2024

• #8

Apparently, as friends said, there is a coil that provides wireless charging capability for the phone

 

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AnalogKid

Well-Known Member

Most Helpful Member

• Aug 24, 2024

• #9

deleted

 

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