Recent firmware versions (such as and v2.3.0 ) offer several functional refinements:
: Updates typically provide more detailed data, such as individual cell internal resistance and improved graphical status displays. Comparison: Stock vs. Updated Firmware Feature Stock Firmware (Older) Updated Firmware (Better/New) LiHV Support Often missing or limited Full support ( 4.35V4.35 cap V per cell) Calibration May reset after power-off Persistent and more accurate Data Monitoring Basic voltage/capacity Cell resistance & advanced graphs UI Stability Occasional touch-screen lag Optimized touch response Step-by-Step Update Guide htrc t240 duo firmware update better new
Updating your HTRC T240 Duo firmware is a relatively straightforward process. Here's a step-by-step guide: Recent firmware versions (such as and v2
Before attempting the update, record your current firmware version by holding the “Stop” button while powering on. If it’s v2.0 or higher, you already have the improvements. If it’s v1.8 or lower, and you’re handy with a soldering iron, a better charger awaits. Here's a step-by-step guide: Before attempting the update,
, Shenzhen Haitan Technology Co. (HTRC) has issued a recall for the battery chargers.
: The update resolves a critical bug where older firmware failed to detect minor voltage drifts, which could previously lead to "balance errors" or even cell swelling. How to Check Your Current Version