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Opening and Audioroot battery?

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There is a thread on here somewhere in the last few months with internal pictures of a Lithium pack.

Personally I have opened a Sennheiser Lithium pack for LSP500 Pro that stopped working correctly.  Its plastic case was glued together, so it took some care to not destroy it.  Expect glue even if there are also screws.  On the Sennheiser battery the cells were spot welded into a series string of parallel pairs.  Conventional wisdom is that soldering directly to the end of lithium cells is risky business; replacement cells with tabs already attached seem to be recommended.


The pack I opened up had only about 50 cycles on it and it appeared that all the cells were still good, but the protection circuitry was tripping for some reason and I gave up.

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