The JK BMS firmware update process requires a Windows PC, JK BMS monitoring software, a USB-to-RS485 adapter, and a specifically wired RJ45 cable to upgrade, particularly for JK Inverter BMS and B-Series units. Before updating, users must verify their current version via the app, record settings, set DIP switches to address 1, and ensure the correct firmware file is used to avoid bricking the device. For a detailed walkthrough, watch this guide on YouTube.
Leave a Reply