SolarPairing / Works, closed loop
SMA Sunny Island 3.0M / 4.4M / 6.0H / 8.0H × BMZ ESS 3.0 / ESS 7.0 / ESS 9.0 / ESS X / ESS Z
SMA lists BMZ ESS 3.0, ESS 7.0, ESS 9.0, ESS X and ESS Z among the approved lithium batteries for Sunny Island 3.0M, 4.4M, 6.0H and 8.0H systems using external battery management. The technical information specifies minimum battery firmware of 2.04 for ESS 3.0 and 7.0, 2.06 for ESS 9.0 and ESS X, and 3.04 for ESS Z. Use SMA's application table and minimum-configuration guidance for the intended phase arrangement and operating mode.
Status
Works, closed loop
Last verified
2026-08-28
01 / About this pairing
SMA lists BMZ ESS 3.0, ESS 7.0, ESS 9.0, ESS X and ESS Z among the approved lithium batteries for Sunny Island 3.0M, 4.4M, 6.0H and 8.0H systems using external battery management. The technical information specifies minimum battery firmware of 2.04 for ESS 3.0 and 7.0, 2.06 for ESS 9.0 and ESS X, and 3.04 for ESS Z. Use SMA's application table and minimum-configuration guidance for the intended phase arrangement and operating mode.
02 / Source
https://manuals.sma.de/SI-LiIon-TI-en.pdf