This is an open source BMS if you want to see how it's done. https://github.com/Teslafly/OpenBMS https://github.com/Teslafly/OpenBMS Otherwise, there are lots

This is an open source BMS if you want to see how it's done. https://github.com/Teslafly/OpenBMS https://github.com/Teslafly/OpenBMS Otherwise, there are lots of BMS's you can just buy a hook up to raw cells.