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foxBMS 2

foxBMS is a free, open and flexible development environment to design battery management systems. It is the first modular open source BMS development platform.


A current build of the documentation of this project can be found here:


The project changelog is found in docs/general/changelog.rst.


The license information of the project is found in

Basically, the software is covered by the BSD 3-Clause License (SPDX short identifier: BSD-3-Clause) and the hardware and documentation by the Creative Commons Attribution 4.0 International License (SPDX short identifier: CC-BY-4.0).

Open Source Hardware Certification

foxBMS 2 has been certified as open source hardware by the Open Source Hardware Association under the OSHWA UID DE000128.


For funding acknowledgements and instructions on how to acknowledge foxBMS 2 please see