Firmware release notes

V3.4.4 17/03/2026

Changes

High impedance error to warning only

Add load balancing

Correct dynamic fuse for 3-phase

Multiple changes after code review.

Add OCPP Profile StackingAuto-reconnect if Ethernet or WiFi drops out

Add MID meter and prioritise its readings.

Drop back to the Allegro readings if the MID meter is unavailable

Removed unused codeRounded volts and amps down and restricted to 1 digit after the decimal point

Refactor to simplify the codebase and improve reliability

V3.3.9 (16th December 2025)
  • Improved overall system reliability
  • More accurate internal monitoring
  • Enhanced handling of power conditions
  • Better visibility of electrical performance for diagnostics
  • Background reporting improvements to keep things running smoothly

V1.10.26 / V2.3.26 (6th November 2025)

- Added standby to brakesupport for new cable lock motor

- Added IO decoder checkpolarity feature

- Minor update and bug fixes

V1.10.18 / V2.3.18 Release Notes

Bug Fix - Motor Lock activation behaviour corrected

V2.3.7 / V1.10.7 Release Notes

- Added AWS commands to read the custom OCPP keys and inspect the current transaction id
- Bug fix: Ethernet driver reinitialised when link down, to mitigate loss of comms when charge relay activates  
- Bug fix: EVSE state E is not recognised as a fault condition
- Bug fix: Negative Amps returned in OCPP meter values
- Bug fix: Cable lock is released when on charge and not in OCPP mode
- Bug fix: Temperature measurand has the unit '°C', but the OCPP spec only allows 'Celsius'

V2.3.8 / V1.10.8 Release Notes

- Bug fix: Ethernet driver fix removed and replaced with a daily self-test

V2.3.9/ V1.10.9 Release Notes

- Removed the 7 Plus model variant and added the worklight feature to the standard variant

V2.3.11 Release Notes

- Added phase mapping feature (effective in OCPP only)

V2.3.12 Release Notes

- Added ability to correlate requests and responses in the Kaluza API
- Bug fix: OCPP connectorId 0 not reporting status correctly

V2.3.13 / V1.10.13 Release Notes

- Ported cable lock option feature to OCPP, allowing tethered mode to be enabled from AWS
- Bug fix: intermittent short-term ground fault

V2.3.14 Release Notes

- Bug fix: OCPP occasionally fails to send a StopTransaction
- Bug fix: OCPP sends new StartTransaction when previous transaction still present

V2.3.15 / V1.10.15 Release Notes


- Removed the OCPP cable lock feature
- Added phase mapping feature (effective in OCPP only)
- Added ability to correlate requests and responses in the Kaluza API
- Bug fix: OCPP connectorId 0 not reporting status correctly
- Bug fix: intermittent short-term ground fault
- Bug fix: OCPP occasionally fails to send a StopTransaction
- Bug fix: OCPP sends new StartTransaction when previous transaction still present

V3.1.3 Release Notes

- Added phase mapping feature (effective in OCPP only)
- Added ability to correlate requests and responses in the Kaluza API
- Bug fix: OCPP connectorId 0 not reporting status correctly
- Bug fix: OCPP occasionally fails to send a StopTransaction
- Bug fix: OCPP sends new StartTransaction when previous transaction still present

V2.3.16 Release Notes

- Reinstated the OCPP cable lock feature
- Bug fix: cable lock option (CLO) not being reported in OCPP mode

V3.1.4 Release Notes

- Ported cable lock option feature to OCPP, allowing tethered mode to be enabled from AWS

V3.1.5 / V2.3.17 / V1.10.17 Release Notes

- Added ability to disable commands from console

- Default max random start delay increased

V3.2.2 Release Notes

- Added support for rev D hardware (and back compatibility)
- Added Ethernet support for Rev D
- Added fan control to thermal management
- Added Ethernet support
- Added audio driver for RFID reader
- Enable RFID function
- Improved compatibility issues with Kia, Hyundai and Genesis vehicles