Important Note Before You Start: HTRC frequently rebrands common charger platforms (ToolkitRC, M8, etc.). The T240 Duo often shares firmware with the ToolkitRC M8 or HTRC M200. Updating the wrong firmware can brick your charger. Only proceed if you are experiencing a specific issue listed in the update notes.
If you want to attempt an update to fix bugs like incorrect cell count identification or storage voltage issues: Visit the Official Portal : Check the Shenzhen Haitan Technology Software Download page for any new releases. Use a Data USB Cable Htrc T240 Duo Firmware Update BETTER
(touchscreen model) is different, it is critical to monitor your device closely while charging. How to Check for Updates HTRC T240 Duo Firmware Update Guide: Fix Bugs
Expanded Battery Support: The update added native support for LiHV (Lithium High Voltage) up to 8.4V and improved handling for LiFe and Pb chemistries. Only proceed if you are experiencing a specific
