Easun Firmware Update May 2026

The exact button names vary. The most common tool is the Remoting Update Tool.

  • Choose the target:
  • Start the update:
  • Wait for 100% and a message saying "Update Successful" or "Verify OK".

    • Typical method with WatchPower:

    Dual-core updates (U1 + U2):

    The forum at diysolarforum.com has a dedicated "Voltronic / Axpert / Easun" section. Search for your exact model. Users share "refurbished" firmware packs. easun firmware update