diyBMS v4
Open-source hardware and software for building a DIY battery management system for lithium-ion battery packs.
What is diyBMS v4?
diyBMS v4 is an open-source battery management system designed for monitoring and managing lithium-ion battery packs. It provides hardware designs and software for building customizable BMS solutions that track cell voltages, temperatures, and support passive balancing. The project solves the need for affordable, adaptable BMS options outside of commercial offerings.
Electronics hobbyists, DIY enthusiasts, and engineers building custom battery packs for projects like solar storage, electric vehicles, or portable power systems.
Developers choose diyBMS v4 for its fully open-source hardware designs, modularity across controllers and modules, and strong community support. It offers a cost-effective, customizable alternative with features like CANBUS/RS485 communication and expandable controller capabilities.
Overview
Version 4 of the diyBMS
Use Cases
Best For
- Building custom BMS for DIY electric vehicle battery packs
- Monitoring lithium-ion cells in solar energy storage systems
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