: Go to the charger's main menu and select "System Info" to see your current version.
: Ensure you are using a data-capable USB cable and that the PC recognizes the device in the Device Manager.
: If you notice voltage discrepancies after an update, use the built-in Calibration function (specifically for 6S batteries) to re-align the sensors. Htrc T240 Duo Firmware Update BETTER
Updating the HTRC T240 Duo firmware significantly improves the charger's safety, accuracy, and compatibility with modern battery types. While the hardware is robust, a firmware update (such as the v2.3.0 patch) can refine balance charging accuracy to ±0.005V per cell, ensuring your LiPo packs stay healthy for longer. Why Update the HTRC T240 Duo Go to product viewer dialog for this item.
: Select the downloaded .bin file in the tool and click "Update" . : Go to the charger's main menu and
: Wait approximately 45 seconds for the progress bar to finish. Do not disconnect the power or USB cable during this time.
: Newer firmware versions fix voltage drift issues, reducing balance errors from 0.02V to as low as 0.003V. Updating the HTRC T240 Duo firmware significantly improves
The update process is straightforward and typically takes less than a minute once the software is ready.
Maintaining current software on your charger isn't just about new features; it’s a critical safety step.