How do I fix Battery Brand Mismatch on a Solis?

In Solis app or inverter menu: go to Battery Settings. Set battery brand correctly — Dyness or Fogstar. Each uses a different CAN protocol Then: Dyness Powerbox G2: select Dyness in battery type. Fogstar Drift 16kWh: select Pylon or check Fogstar documentation for correct Solis setting

Solis

E027

Battery Brand Mismatch

Inverter battery brand/type setting does not match connected battery. CAN protocol mismatch.

Common causes

Wrong battery brand selected in Solis inverter parametersBattery firmware not compatible with selected protocol

What to check

STEP 1

In Solis app or inverter menu: go to Battery Settings. Set battery brand correctly — Dyness or Fogstar. Each uses a different CAN protocol

STEP 2

Dyness Powerbox G2: select Dyness in battery type. Fogstar Drift 16kWh: select Pylon or check Fogstar documentation for correct Solis setting

Escalate if

Correct brand selected but comms still failing — check battery firmware version with manufacturer

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