Suitable batteries
General Fronius explicitly points out that the third-party batteries are not Fronius
products. Fronius is not the manufacturer, distributor or retailer of these batter-
ies. Fronius accepts no liability and offers no service or guarantees for these bat-
teries.
Obsolete firmware/software states may lead to incompatibilities between the in-
verter and the battery. In this case, the following steps are to be performed:
1
Update battery software – see the battery documentation.
2
Update inverter firmware – see Update on page 118.
Read this document and the Installation Instructions before installing and com-
missioning the external battery. The documentation is either enclosed with the
external battery or can be obtained from the battery manufacturer or their ser-
vice partners
All documents associated with the inverter can be found at the following ad-
dress:
https://www.fronius.com/en/solar-energy/installers-partners/service-support/
tech-support
BYD Battery-
Box Premium
BYD Battery-Box Premium HVS 5.1 7.7 10.2 12.8
Number of battery modules 2 3 4 5
Fronius Symo GEN24 SC*
Fronius Symo GEN24 Plus SC
Battery parallel operation**
BYD Battery-Box Premium HVM 8.3 11.0 13.8 16.6 19.3 22.1
Number of battery modules 3 4 5 6 7 8
Fronius Symo GEN24 SC*
Fronius Symo GEN24 Plus SC
Battery parallel operation**
* Battery support optionally available.
** Max. 3 batteries with the same capacity can be combined. Max. 2 batteries
can be combined with BYD Battery-Box Premium HVM 22.1.
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