Reverse-engineering and cloning a Sennheiser BA2015 Ni-MH battery pack
By
Martijn Braam
Summary
The article details the process of reverse-engineering and cloning a Sennheiser BA2015 battery pack used in wireless microphones. The author notes that while many companies make proprietary battery packs that are expensive but reasonable, the BA2015 is particularly overpriced for what it is — Ni-MH cells rather than Li-ion. The article walks through disassembling an original pack, identifying the cells and protection circuitry, sourcing compatible components, and building a replacement pack at a fraction of the cost.
Source
Hacker NewsReverse-engineering and cloning a Sennheiser BA2015 Ni-MH battery packblog.brixit.nlKey quotes
· 3 pulledOne of the annoying things about electronics is that so many companies must make their own incompatible battery packs.
A significant portions of all wireless microphones by Sennheiser use the same BA2015 battery pack.
I generally avoid messing with Li-ion battery packs, but these are both Ni-mh and expensive.
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