Sun2000-6ktl-m1 Firmware 〈2026 Release〉

Updates like SPC170 include critical support for German EnWG 14a control functions and updated grid codes for Italy (CEI0-21/16) and Denmark (EN50549) . Version & Performance History Recent Enhancements (SPC170/172) Connectivity

| Source | Accessibility | Typical Use | | :--- | :--- | :--- | | | Public (Free) | Direct download of .pkg files. | | FusionSolar App | Installer account | Over-the-air (OTA) updates. | | Huawei Distributor Portal | Reseller/Installer only | Bulk firmware for multiple units. | | Huawei SmartLogger | On-site | Local caching & distribution. | sun2000-6ktl-m1 firmware

| Version string (example) | Highlights | |--------------------------|-------------| | SPC100 (early) | Initial release, basic grid profiles, no battery support. | | SPC112 | Added AFCI self-test, improved Bluetooth pairing. | | SPC118 | Luna2000 battery integration (DC-coupled), backup mode logic. | | SPC120 | Enhanced reactive power control (Q at night), bug fix for Wi-Fi dongle dropouts. | | SPC130 (recent) | New grid codes (e.g., VDE-AR-N 4105:2023), reduced AFCI nuisance trips, Modbus TCP timeout fix. | Updates like SPC170 include critical support for German

: Released in June 2025, this update optimized energy storage low-power functions, load tracking performance, and alarm mechanisms. SUN2000MA V100R001C00SPC173 : A subsequent version released in September 2025. SmartMBUS V100R001C00SPC609 | | Huawei Distributor Portal | Reseller/Installer only