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/diy/ - Do-It-Yourself

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1957646 No.1957646 [Reply] [Original] [archived.moe]

So I have this small chinese music player, it works fine and its pretty convenient so I don't want to change it. But like with a lot modern electronics the battery goes to shit. But in this case is not entirely solded is just glued to the back and connected with a small connector (sorry I don't know the name) , since I wanted to change but couldn't find a direct replacement I was thinking about changing it for a cellphone one like one of those BL-5C old nokia batteries since it seems similar on size and voltage. But I just don't want to add some hot glue to the connectors and call it a day, I want to make so I can remove the batteries and exchange them easily since the BL-5C are pretty common and cheap. I was thinking about salvaging an old battery holder from a phone but it I wanted to know if anyone have done something similar, before fucking it up.

>> No.1957650

See the number 473752 on the battery? That's the standard way these things are designated, it comes from 47mm x 37mm x 5.2mm thick. Find another 3.6V lithium pack on ebay / amazon with the same or slightly smaller dimensions and you've got it. Looks like it's a two wire pack with the + and - doubled up so they can use tiny wires on the tiny connector. Re-use the old connector on the new battery which will just have a bare + and bare - wire. Solder and heatshrink to make good safe connection. Never ever ever let a lithium battery short, fireworks will follow.

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