Fox ESS battery

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steely64
Posts: 1
Joined: Wed Sep 11, 2024 6:33 pm

Hi, I have a Fox ESS S2500 is it compatible with battery storage or would I need to upgrade the inverter. Thanks
Dave Foster
Posts: 1297
Joined: Thu Oct 13, 2022 7:21 pm

That's a solar only inverter, you have 2 options.

The easiest would be to upgrade to a hybrid (H series) and replace the S series altogether - the hybrid will take your PV string feeds and connect to a battery blending both to power your home, charge your batteries, export to grid etc... as desired.

The second option is to leave the S series and install an AC which is basically a battery inverter (an H series without solar inputs) - but given the price is almost the same it would be much tidier to replace with a hybrid H series.
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