JKBMS USB-RS485-RJ45 Converter Cable for Smart BMS Communication

JKBMS USB-RS485-RJ45 Converter Cable

The official JKBMS USB-RS485-RJ45 converter cable enables direct communication between your JK Smart BMS and a PC or laptop. Use it to monitor real-time battery data, configure BMS parameters, and perform firmware upgrades — all through the free JKBMS PC software.

Key Features

• ✅ Plug-and-play RS485 to USB conversion — no soldering required
• ✅ RJ45 connector fits directly into the RS485 port on all JKBMS HCR-series BMS
• ✅ Compatible with JKBMS PC software for real-time monitoring and parameter configuration
• ✅ Supports firmware upgrades via PC
• ✅ Stable signal transmission — suitable for long-term connected use
• ✅ Driver installation required (CH340/CP2102 — download link provided)

Compatibility

• All JKBMS models with RS485 port (HCR series): JK-B1A8S10P-HCR, JK-B2A8S20P-HCR, JK-B2A8S30P-HCR, JK-B2A24S series, etc.
• Windows 7 / 8 / 10 / 11 (64-bit recommended)

Package Contents

• 1× USB-RS485-RJ45 Converter Cable (approx. 1.8m)

Note: This cable is designed for the RS485 communication port on JKBMS HCR-series BMS only. It is NOT compatible with the UART port. For UART communication, please use the USB-TTL cable instead.