Is the BYD Battery-Box Premium HVS 7.7 compatible with the Kostal PLENTICORE G3?
The BYD Battery-Box Premium HVS 7.7 is compatible with the Kostal PLENTICORE G3 over the RS485 protocol. Verified against the inverter manufacturer's official list — the document your warranty depends on — according to KOSTAL — Freigegebene Batterien für PLENTICORE (04/2026 (DOC02048988-0035), 1 abr 2026).
Pair sheet
Every documented field
What the sources say, with the gaps left visible: if a value is missing, we say so instead of filling it in.
| Status | VerifiedConfirmed against the inverter manufacturer's official list — the document your system warranty depends on. |
|---|---|
| Communication protocol | RS485 |
| Minimum inverter firmware | Not stated in the sources |
| Minimum BMS firmware | BMU 1.13 / BMS 3.19 (nota 2 del doc) |
| Battery modules | Not stated in the sources |
| Battery voltage | High voltage (HV) · 7,68 kWh (7,68 kWh usable) |
| Inverter coupling | For high-voltage (HV) batteries · three-phase |
| Source region | Spain— check the list published for your own region before buying |
| Last verified | 3 jul 2026 |
| Source | KOSTAL — Freigegebene Batterien für PLENTICORE · 04/2026 (DOC02048988-0035) · 1 abr 2026 |
| Notes | Aprobada en la lista oficial KOSTAL «Freigegebene Batterien für PLENTICORE» (04/2026): la fila HVS 7.7 incluye explícitamente el PLENTICORE G3 (y el MP G3). Requiere batería BYD con firmware BMU 1.13 y BMS 3.19. Comunicación RS485 (de la BCU al conector X601 del inversor). KOSTAL no publica versión mínima de SW del inversor (solo marca de verificación). Requiere KOSTAL Smart Energy Meter o Energy Meter (MP). Paralelo posible con BYD Combiner Box CBH-40A/70A. |
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About this data
Vatio is an independent Spanish comparator. We do not sell batteries or inverters, and no manufacturer pays for placement here — every verdict is traceable to the manufacturer’s own document, with its version and date shown above. Our installer quotes are Spain-only, which is why you will not find a sales pitch on this page. The compatibility itself is universal: a Kostal PLENTICORE G3 behaves the same wherever it is installed. Ver esta ficha en español →