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Changes and improvements in software updates
IQ8 Series Microinverters firmware version release notes (2.48.01)
November 23, 2023

Firmware release: Version 2.48.01 
Supported microinverters: All IQ8 Series Microinverters (IQ8, IQ8+, IQ8M, IQ8A, IQ8H-240, and IQ8H-208) 
Geographies: USA, Canada, and Mexico

Release notes: 





Upgraded DC input specification, making IQ8 microinverters more suitable for modules with higher current 

  1. Maximum continuous DC current increased to 12A (previously 10.6A) 

  1. Wider operating voltage range 16V – 58V (previously 25V- 58V) 

  1. Improved power tracking with wider MPPT voltage range 

  1. Start-up voltage lowered to 22V (previously 30V) 


Improvements and compliance updates

  • Compliant with IEEE 1547:2018

  • Improved firmware to handle weak AC grids


All new IQ8 Microinverters installed after the rollout will be auto-upgraded to this new firmware, version 2.48.01.

Use the updated Enphase compatibility calculator to determine the electrical compatibility of PV modules with the Enphase IQ Microinverters.

All IQ8 Series Microinverter documentation has been updated with the new specifications outlined above. Visit the documentation center to view these technical documents.