Is the SolaX X3-MIC G2 X3-MIC-3K-G2 compatible with the T10 (9.6 kWh)?

Yes — listed by the manufacturer.

The manufacturer's published pairing data lists these together.

Minute Solar records SolaX X3-MIC G2 X3-MIC-3K-G2 with T10 (9.6 kWh) as compatible (A — Automatic). Derived from recorded specifications or compatibility groups; no manufacturer approval is recorded.

▦Manufacturer's compatibility listListed together in the manufacturer's published pairing data. A cited document reference is being added as datasheets are processed.