: Provides instant feedback on localized thermal sensors, charge/discharge current limits, and active BMS fault flags. Hardware Requirements for Connection
Pylontech is a leading manufacturer of lithium iron phosphate (LiFePO4) batteries, notably the US2000, US3000, and Force series. is their official PC-based monitoring software. It connects via a USB-to-RS485 or USB-to-CAN cable to the battery's BMS (Battery Management System), allowing users to:
Battery View is a specialized diagnostic and monitoring software utility developed for Pylontech lithium iron phosphate (LiFePO4) battery modules, including the popular US2000, US3000, and US5000 series.
– because:
Version 3.0.28 (likely what "3028" refers to) is a mature release from around 2021–2022. It is the newest version (newer builds exist for Force H2 or large-scale racks), but it is widely considered the most stable for: pylontech battery view 3028 download top
: View the State of Health (SOH), State of Charge (SOC), and total cycle counts. Firmware Management
Never upload a firmware file unless you have verified it matches your specific battery model, manufacturing date, and serial number prefix. Ensure your laptop has a full charge, and never disconnect the communication cable during a flash sequence.
Version is one of the known stable releases used by installers and advanced users.
This is the most critical view for troubleshooting. It lists the precise voltage of every individual lithium cell inside the battery pack. : Provides instant feedback on localized thermal sensors,
: Cell #5 in the third module was lagging, sitting 15mV lower than its neighbors. It was dragging the whole bank down, tricking the BMS into shutting off early.
: Verified download sections on the Power Forum or specialized Facebook Groups . Connection Requirements
: Once connected, the software displays live metrics including voltage , current , temperature , capacity , and cycle count .
: Essential for upgrading firmware using .zip file packs rather than old .bin files, specifically for units with "C5" in the serial number. Key Features : It connects via a USB-to-RS485 or USB-to-CAN cable
| Issue | Likely Cause | Solution | |---|---|---| | "Exception: accuracy string cannot be parsed to double" | Regional settings mismatch | Change Windows Regional Format to [15†L17-L18]. | | No COM port appears in BatteryView | Driver not installed or wrong chipset | Install FTDI/CH340 drivers; avoid Prolific chips. Identify COM port in Device Manager [17†L19-L23]. | | Connection times out or fails | Wrong cable wiring or RS232 level mismatch | Double-check pinout. Use a known working cable—many users succeed with pre-made Cisco console cables (pinout modified) [9†L11-L13]. | | Only master battery connects, "united" fails | Incorrect number of units specified | Count bricks precisely. Sometimes the last battery isn't communicating—power cycle all batteries and restart [17†L31-L38]. | | BatteryView 3.0.28 fails with new firmware | Version incompatibility | Upgrade to BatteryView 3.0.37, which handles v3 FW and newer chips [17†L13-L16]. | | BatteryView opens but scans nothing | Wrong COM port or baud rate | Baud rate must be 115200 . Ensure no other software is using the COM port. | | Random disconnects | Faulty cable or poor connection | Inspect/remake cable. Use short, shielded cable runs. |
✅ Reliable monitoring ✅ Free and no ads ✅ CSV logging is a lifesaver for DIY solar debugging ❌ Dated UI (looks like Windows XP) ❌ No Mac/Linux version ❌ Poor official documentation
While the original forum attachments may have moved or been archived, many users have re-uploaded this package to Google Drive, Mega, or other file hosting services. Search for "Pylontech_Tools.zip" or "BatteryView 3.0.28 download" on Powerforum and similar communities.
This window displays the overall system status. You will see total pack voltage, total current draw, remaining capacity percentage, and state of health (SoH). Cell Information Tab