SolarPairing / Works, closed loop
SMA Sunny Island 3.0M / 4.4M × LG Energy Solution RESU 3.3 / 5.0 / 6.4 / 6.5 / 10
SMA lists LG Energy Solution RESU 3.3, 5.0, 6.4, 6.5 and 10 among the approved lithium batteries for Sunny Island systems. The compatibility notes restrict these legacy RESU models to Sunny Island 3.0M and/or 4.4M depending on the exact battery and application; they do not establish an approval for 6.0H or 8.0H. Check the specific RESU row, its firmware, the selected operating mode and the current SMA document before commissioning.
Status
Works, closed loop
Last verified
2026-08-28
01 / About this pairing
SMA lists LG Energy Solution RESU 3.3, 5.0, 6.4, 6.5 and 10 among the approved lithium batteries for Sunny Island systems. The compatibility notes restrict these legacy RESU models to Sunny Island 3.0M and/or 4.4M depending on the exact battery and application; they do not establish an approval for 6.0H or 8.0H. Check the specific RESU row, its firmware, the selected operating mode and the current SMA document before commissioning.
02 / Source
https://manuals.sma.de/SI-LiIon-TI-en.pdf