Marstek
Marstek Mars I Plus three-phase hybrid inverter 12kW 4 MPPT for residential storage
Marstek Mars I Plus three-phase hybrid inverter 12kW 4 MPPT for residential storage
Regular price
€1,662.50
Regular price
Sale price
€1,662.50
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per
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Price including VAT by delivery country
- Italy22% €2,028.25
- Germany19% €1,978.37
- France20% €1,995.00
- Austria20% €1,995.00
- Belgium21% €2,011.62
- Bulgaria20% €1,995.00
- Croatia25% €2,078.12
- Cyprus19% €1,978.37
- Czech Republic21% €2,011.62
- Denmark25% €2,078.12
- Estonia24% €2,061.50
- Finland25.5% €2,086.43
- Greece24% €2,061.50
- Hungary27% €2,111.37
- Ireland23% €2,044.87
- Latvia21% €2,011.62
- Lithuania21% €2,011.62
- Luxembourg17% €1,945.12
- Malta18% €1,961.75
- Netherlands21% €2,011.62
- Poland23% €2,044.87
- Portugal23% €2,044.87
- Romania21% €2,011.62
- Slovakia23% €2,044.87
- Slovenia22% €2,028.25
- Spain21% €2,011.62
- Sweden25% €2,078.12
Shown prices exclude VAT. At checkout the rate of the delivery country applies. Businesses with a valid EU VAT number buy without VAT (reverse charge).
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- Prices exclude VAT: tax is calculated in the cart based on the delivery country.
- EU businesses: 0% VAT with a VAT number valid in VIES — the field appears at checkout, below the delivery address.
- Reduced 10% VAT on solar and storage for customers in Italy: write to us before ordering.
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Shipping
- Italy: €13 on orders up to €150, free shipping over €150.
- European Union: 60 € per order, with no threshold
Rates apply to the cart total and are confirmed at checkout, where shipping to countries outside the EU is also calculated.
Delivery in 10-20 daysHybrid inverterMarstek
Marstek Mars I Plus three-phase hybrid inverter 12kW 4 MPPT for residential storage
The Marstek Mars I Plus three-phase is a 12kW hybrid inverter that packs seven functions into one device: hybrid conversion, four MPPT trackers, V-Boost high-voltage battery management, emergency power supply, local EMS, SG-Ready heat pump control and EV charging readiness. It accepts up to 24kW of solar and is also available in 8kW and 10kW sizes.
It is the core of a residential or small-business storage system with substantial three-phase loads. V-Boost up to 1000V with real-time cell balancing removes the barrel effect between battery modules, while EPS kicks in within 10 ms. The 10.1-inch HD touchscreen gives access to live data, open APIs allow integration with third-party EMS platforms, and up to four systems can run in parallel for 48kW.
Key features
12kW three-phase, 7 functions in oneHybrid inverter, 4 MPPTs, battery management, EPS, local EMS, SG-Ready heat pump and EV charging in a single device.
24kW of solar across 4 MPPTsFour independent trackers starting at 200V make the most of roof sections with different orientations and shading.
V-Boost up to 1000VHigh voltage with real-time cell balancing unlocks the real capacity of every battery module.
EPS in under 10 msThe switch to emergency power is instant and the home keeps running through every outage.
Technical specifications
| Feature | Value |
|---|---|
| Product code | Mars I plus ESS inverter |
| Device type | Three-phase hybrid inverter for storage systems |
| Rated AC power | 12kW (also available in 8kW and 10kW) |
| Number of phases | Three-phase |
| PV input power | up to 24kW |
| Number of MPPTs | 4, starting at 200V |
| Battery voltage (V-Boost) | up to 1000V, with real-time cell balancing |
| Managed storage capacity | 5.12kWh to 30.72kWh (up to 6 modules) |
| EPS response time | < 10 ms |
| EV charging (optional) | up to 25kW DC / 22kW AC |
| V2X function | up to 12kW |
| Heat pump control | SG-Ready |
| Energy management | Local EMS with 10.1" HD touchscreen |
| Parallel operation | up to 4 systems: 48kW and 122.88kWh |
| Generator | diesel generator ready in off-grid mode |
| Communication | Bluetooth, Wi-Fi, open API for third-party EMS |
| Ingress protection | IP65 |
| Noise level | < 30 dB |
| Operating temperature | -25 °C to +60 °C |
| Warranty | 10 years |
Documentation
PDFMarstek Mars I Plus - Product Introduction (PDF)Official manufacturer documentPDFMarstek Mars I Plus Three-Phase - 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.