All-in-One (AIO) Firmware Log

All-in-One (AIO) Firmware Log

Version A620-D620 | 27-09-2025

  1. Bug fix. Add missing hardware type codes for the 3.6 kW and 5 kW versions of AIO.

Version A619-D619 | 19-08-2025

  1. Bug fix. Multiple grid loss EPS fix.

Version A618-D618 | 29-04-2025

  1. BMS upgrade optimisations.
  2. Add new ultra-low battery re-activation logic (ready for BAAA0013). Battery can be force charged from as low as 60 V (previously 130 V). For Service Desk use only.

Version A617-D617 | 07-04-2025

  1. Add Gateway-controlled import limitation for AIO with Gateway, including parallel systems.
  2. Increase import limitation range to 1–255 A for EU.
  3. Reserve and cut-off optimisations.
  4. Off-grid switching speed optimisations.

Version A616-D616 | 09-02-2025

To be released

  1. Correct reserve and cut-off register mapping.

Version A615-D615 | 24-12-2024

Not released

  1. Add additional real-time registers for Grid Services.

Version A614-D614 | 09-12-2024

Not released

  1. Add mini calibration on each full charge if required, same as LV batteries.
  2. Microgrid frequency shifting optimisations.
  3. Firmware update optimisations.
  4. Prevent registers cascading from Gateway to AIO in a single-AIO scenario (AC charge override bug).
  5. Add real-time registers allowing “Safe Registers” to be held only in RAM, with controlled EEPROM write-back.
  6. Import limitation default value set to 100 A and disabled; allowable range 40–200 A.
  7. SOC calibration mode communicated to BCU (1 = calibration, 0 = no calibration).

Version D613-A613 | 19-09-2024

  1. Added charging and discharging power limits in self-generation and self-consumption mode.
  2. Grid / off-grid retention SOC logic optimisation.
  3. Added AC input current limit requirement (no Gateway).
  4. Off-grid onboard logic optimisation.
  5. Optimised anti-backflow failure response time.
  6. Optimised battery power calculation logic.
  7. Battery remains active in off-grid no-load state.
  8. Optimised battery discharge power deviation issue.
  9. Pause optimisation.
  10. Auxiliary source shutdown delay increased from 6 seconds to 15 seconds.
  11. Added single-parallel status reporting to DSP.
  12. Added grid input current limit and enable level.
  13. Added battery charge and discharge power limits.
  14. PV power effective range changed from 50–100 W to 35–75 W.
  15. Fix PV energy accumulation issue when inverter is in standby.
  16. Load power below 50 W no longer displayed.
  17. Parallel SOC calibration support (requires Gateway 11).
  18. Added BMS software reset function.
  19. Expose total battery charge and discharge energy data.
  20. Added bypass detection error code.

Public Log – Version D613-A613 | 19-09-2024

  1. On / off-grid switching logic optimisation.
  2. Import limitation for standalone AIO (default OFF).
  3. Battery power calculation optimisations.
  4. Battery remains active when off-grid and no load present.
  5. Pause mode optimisation.
  6. Parallel mode optimisations.
  7. Fix PV power display below 100 W.
  8. Fix PV and consumption energy reporting for standalone systems.
  9. Load under 50 W not registered.
  10. Add BMS restart function.
  11. Add parallel SOC calibration logic (requires Gateway 11).
  12. Add bypass detected error code.

Version A612-D612 | 08-04-2024

  1. New off-grid parallel operation function.
  2. Add parallel CAN communication support.
  3. Add multi-AIO parallel energy management based on battery SOC.
  4. Add parallel management functionality.

Version A611-D611 | 08-04-2024

  1. Optimise N-PE logic.
  2. Optimise firmware upgrade process to reduce stuck files.

Version A610 | 15-03-2024

  1. Optimise BCU upgrade issue.
  2. Fix 10-stage charging and pause over-midnight issues.
  3. Fix battery pause behaviour while off-grid.
  4. Fix BMS / BMU communication errors.
  5. Fix battery “today” values always reading zero.
  6. Fix PV and load calculations in standalone mode.
  7. Fix PV under 200 W issue.
  8. Add BMS activate function from AC supply.
  9. Fix discharge beyond cut-off setting.
  10. New Zealand and Australia certification.
  11. Export limit overflow fix for large values.

Version A609-D609 | 16-10-2023

  1. Optimise 10-stage charge and discharge logic.
  2. Wi-Fi connection improvements.
  3. Factory aging tests (not consumer related).

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