Recent updates have introduced a "Battery Health Check" and support for high-voltage (LiHV) batteries.
aren't just minor software patches; they provide critical upgrades to the charger's logic and safety systems.
Use a USB-C cable to connect the charger's "PC Link" port to your Windows PC. Htrc T240 Duo Firmware Update
Place the .bin firmware file directly into the root directory (do not use folders).
Reboot the charger and confirm the new version number on the boot screen. Method 2: Update via SD Card Recent updates have introduced a "Battery Health Check"
Wait approximately 45 seconds for the process to finish. Do not disconnect the power or cable during this time.
This method uses a Windows computer and the official HTRC Update Tool . Place the
Ensure your Windows PC has .NET Framework 3.5 (including 2.0 and 3.0) enabled via the Windows Control Panel .
Visit the official Shenzhen Haitan Technology (HTRC) website and download the latest firmware .bin file and the HTRC Firmware Update Tool .
The unit will restart autonomously once the ninety-second update process is complete. Troubleshooting Common Issues