If you own a recalled unit, stop using it immediately and contact HTRC Customer Support for a full refund. Firmware Update Overview
. Updates are typically performed at the factory level; a unit purchased in 2024 may have slightly different menu navigation or calibration stability than one from 2021, but these are not user-upgradable. Recommended Safety & Maintenance Htrc T240 Duo Firmware Update
Gather your Mini-USB cable, download the latest firmware, and follow the steps above. Your batteries will thank you. If you own a recalled unit, stop using
Yes. Your custom charge currents, timer settings, and capacity limits will revert to factory defaults. Document them before updating. If you own a recalled unit
Wait approximately 45 seconds for the process to finish. Do not disconnect the power or cable during this time.
