Check that you are connected to the CONSOLE port, not the RS485 or CAN ports. Ensure the COM port is correct.
If you encounter issues during the download or update process, here are some common troubleshooting steps:
To connect your computer to the Pylontech battery, you cannot use a standard RJ45 cable directly from a PC Ethernet port. You will need: pylontech battery view 3028 download upd
This paper provides an overview and technical guide for , the official maintenance software used for Pylontech’s low-voltage lithium batteries, such as the US2000C, US3000C, and US5000 series. Introduction to BatteryView 3.0.28
Disclaimer: This article is for educational purposes. Firmware updates can void warranties if performed incorrectly. Always back up your inverter settings and consult the official Pylontech documentation before performing an "upd." Check that you are connected to the CONSOLE
Battery View is the proprietary software used by technicians to communicate with the Battery Management System (BMS). It connects via an RS485 to USB cable (or RS232) and allows the user to:
Ensure all cells are balanced (under 30mV variance). You will need: This paper provides an overview
Once connected, BatteryView allows you to read real-time cell telemetry, check health status, and export logs. Initializing the Connection Launch the BatteryView.exe application. Set the to match your Windows COM port number.
from your distributor or Pylontech support (support@pylontech.com.cn) with your battery model & serial number.
: The cable must be plugged into the Console port (not the CAN/RS485 communication ports) of the Master battery.