

Marstek Venus D All-in-One Storage 2.56kWh 2.2kW LiFePO4 with 4 MPPT and Emergency Output
The Marstek Venus D (MST-HI-2200) is the most powerful all-in-one system in the Venus series: a 2200W single-phase inverter with 4 MPPTs for up to 4000W of PV, plus a 2.56kWh LiFePO4 battery. It stores the modules' output and returns it to the home when needed.
During a blackout it switches to the emergency output in under 15 ms, with peaks up to 2500W for 60 s. Capacity grows up to 15.36kWh by adding up to five MST-E2.5ST-D expansion batteries. It communicates over Wi-Fi, Bluetooth and RS485, has an IP65 enclosure and fanless natural cooling.
Key features
Technical specifications
| Feature | Value |
|---|---|
| Product code | MST-HI-2200 |
| Battery energy | 2.56kWh LiFePO4 |
| Expansion | up to 15.36kWh with 5 MST-E2.5ST-D batteries |
| PV input | 4 MPPTs, 4000W, 25-55V, 32A per channel, MC4 |
| AC output to the home | 2200W, single-phase 230V 50Hz, about 9.6A |
| Emergency output (EPS) | 2200W, 2500W peak for 60 s, switchover < 15 ms |
| Efficiency | over 96.5% (battery to AC), MPPT 99.8% |
| Communication and display | Wi-Fi, Bluetooth, RS485, status display |
| Protection rating | IP65 |
| Operating temperature | -20 to +60 °C |
| Dimensions | 480×320×230 mm |
| Weight | 28kg |
Installation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.


















































