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SONY Discman battery BP-2 structure frame — image 1
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SONY Discman battery BP-2 structure frame

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It battery structure can let you use Li-ion battery(3.7~4.2v with protect board) to replace old 4V lead acid battery…

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Model information

Category
Audio
License
Creative Commons — Attribution — Noncommercial

It battery structure can let you use Li-ion battery(3.7~4.2v with protect board) to replace old 4V lead acid battery

You also need order material as below:

Copper foil

Category: Audio

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