Pylontech US2000 US3000 Pack Balancing & Service Interface PCBA purpose designed interface PCB that connects directly to the three internal battery packs of US2000, US3000 batteries via the original white 10 pin balance connectors. This board can be installed in line with the BMS to allow connection of an external active balancer, or used standalone for service and recovery work. It enables safe access to each 5S pack for balancing, charging, or individual cell voltage correction using a compatible 5S balancer

Can the report tell whether it's the battery or my setup

the charger draws up to ~750 W

the current must be de-rated accordingly

Raspberry Pi

Ensure reliable and accurate communication between your SunSynk 8K ECO solar inverter and Pylontech US2000/US3000/US5000 (Type C) batteries with this high-quality 2-metre BMS communication cable

cell voltages

View Min/Max Cell & Temperatures

Designed specifically for CANbus protocol

The adapter connects directly to your battery’s console port and sends diagnostic data over Wi-Fi

Per-bus CAN RX/TX counters (Battery vs Inverter)

perfect for low-power smart devices in your off-grid or solar-powered setup

Responsibility for third-party installer workmanship or regulatory sign-off