BMS Accessories

Complete your JKBMS battery system with official accessories designed for seamless integration. Every accessory in this collection is engineered to work directly with JKBMS Smart BMS and Inverter BMS products — from real-time monitoring displays and PC communication tools to parallel connection hardware and alert modules.

🖥️ LCD Displays & Monitors

Model Compatible Series Description
2" LCD Display with Active Switch B & BD Series BMS monitor & power control
3.2" LCD Display B & BD Series Compact battery status display
4.3" LCD Touch Screen Monitor B & BD Series Full battery data touch display
4.3" LCD Display (LCD-4.3-TTL-P) PB Series (Inverter BMS) only With CAN & RS485 protocol support
7" LCD Display (LCD-7.0-TTL-P) PB Series (Inverter BMS) only Large screen battery monitor
Battery Level Indicator Display Board All Smart BMS Visual SOC indicator

🔌 Communication Modules & Cables

Model Interface Compatible Series Description
USB-TTL-1M Cable UART B & BD Series PC connection for firmware upgrade, debugging & monitoring
USB-RS485-RJ45 Converter Cable RS485 PB Series (Inverter BMS) PC connection for firmware upgrade, debugging & monitoring
RS485 Converter Module (4S–8S) RS485 Low voltage Smart BMS PC monitoring & parameter configuration
RS485 Converter Module (17S / 20S / 24S) RS485 High voltage Smart BMS PC monitoring & parameter configuration

🔗 Parallel Connection Modules

Model Type Compatible Series Description
PLINK Module (P-Link-CR-V2.0) Soft Parallel HC & HCR Smart BMS Soft parallel & inverter communication interface
Parallel Module Hard Parallel HCR / HCRPB BMS Hard parallel connection for multi-battery systems

🔔 Alarm & Repair Accessories

Model Compatible Series Description
External Alarm Buzzer Module All Smart BMS Audible battery protection alert
Adapter Board for JK BMS Active Balancer All Smart BMS BMS repair & sampling cable accessory

🔘 Power Switch

Model Compatible Series Description
BMS Switch — GH1.25-6P to 1.5mm-4P, 50cm, 12mm Red LED B & BD & PB Series Momentary push button power switch with red LED indicator, plug-and-play

After-Sales Support

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