

Marstek Venus X all-in-one AC-coupled storage system 10kWh 6kW LiFePO4
The Marstek Venus X is an all-in-one residential storage system that combines 10kWh of LiFePO4 battery and a 3.6kW / 6kW bidirectional inverter in a single AC-coupled cabinet. It integrates existing solar arrays of up to 6kVA without changing their inverter and offers two installation modes: plug & play for a fast setup, or WireLite hardwiring to unlock full power for heavy loads.
It is the answer for high-consumption homes and small businesses that want maximum self-consumption, peak shaving and continuity of supply: the backup port delivers 6kW continuous with 12kW surge and switchover under 10 ms. The system expands with the main unit plus up to 5 additional battery packs, from 10 to 60kWh. Anti feed-in responds in 3 seconds, cells last over 6,000 cycles, and the unit is IP65 rated, works from -20 to 55 °C and stays below 30 dB.
Key features
Technical specifications
| Feature | Value |
|---|---|
| Product code | VENUS X |
| Battery capacity | 10kWh |
| Cell chemistry | LiFePO4 |
| Bidirectional inverter | 3.6kW / 6kW |
| AC-coupled PV input | up to 6kVA |
| On-grid output power | 6kW |
| Backup power (EPS) | 6kW continuous, 12kW surge |
| EPS switchover time | < 10 ms |
| Cycle life | > 6,000 cycles |
| Service life | over 15 years |
| Expandability | main unit + max 5 battery packs (10 to 60kWh) |
| Anti feed-in | 3 s response, 10W error (with Marstek smart meter) |
| Communication | Wi-Fi, Bluetooth, Ethernet, RS-485 Modbus RTU, open API |
| Installation modes | Plug & play or WireLite AC coupling |
| Ingress protection | IP65 |
| Materials | high-temperature and fire resistant |
| Operating temperature | -20 °C to +55 °C |
| Noise level | < 30 dB |
| Dimensions | 500 × 270 × 1127 mm |
| Weight | 160 kg |
| Warranty | 10 years |
Documentation
PDFMarstek Venus X - Product Introduction (PDF)Official manufacturer documentPDFMarstek Venus X - Brochure (PDF)Official manufacturer documentInstallation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.
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