Note, this feature is not available for the South Africa market yet.
A series of training videos showing how to upgrade the Sunsynk inverters to enable low-power mode is particularly useful for countries with little or no Sunshine during the winter months.
Comm E429
3.6 MCU 2383
5.5 MCU 3383
This also has the G98 G99 and NI G98 NI G99 standards
If you need access to the new firmware and LCD please contact Joel@sunsynk.com
Keith Gough Describing the Feature
Keith and Ronald Demo of Low Power Mode
Detailed Settings on Low Power Mode