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MARSTEK MARS I PLUS THREE-PHASE

7-in-1 1000V V-Boost Single-phase Residential ESS

Up to 12 kW Three-Phase Hybrid Inverter
Up to 24 kW Solar Input | 4 MPPT
1000 V V-Boost Battery
40 kW EV DC Charger
12 kW V2X
SG-Ready Heat pump management
Localized EMS

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Unit price: per

Select inverter power: 8 kW 8 kW 10 kW 12 kW

Select Battery Packs: Battery Pack*1 (5.12 kWh) Battery Pack*1 (5.12 kWh) Battery Pack*2 (10.24 kWh) Battery Pack*3 (15.36 kWh) Battery Pack*4 (20.48 kWh) Battery Pack*5 (25.60 kWh) Battery Pack*6 (30.72 kWh)

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Overview

Specs

Reviews

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1000V/550V V-Boost Battery

Eliminates Battery Imbalance

Total Independence with Customizable Hybrid Inverter from 3.6 to 12 kW

Available in 3.6 to 12 kW — Single-phase and Three-phase options to match every need. Whether you're looking for a reliable backup solution or planning to go fully off-grid, MARSTEK MARS I PLUS adapts to your energy setup.

Single-phase: 3.6 / 4.6 / 5.0 / 6.0 kW | Three-phase: 8 / 10 / 12 kW

Solar All Day, Optimized by 4 MPPTs

With up to 24 kW of solar input and independent MPPT tracking from 200 V startup to sunset shutdown, MARSTEK MARS I PLUS captures more from every panel, at every angle.

Single-phase: up to 12 kW input, starts at 125 V
Three-phase: up to 24 kW input, starts at 200 V

Boosted, Balanced with up to 1000 V V-Boost Battery

Forget the barrel effect. With V-Boost up to 1000 V and real-time cell balancing, MARSTEK MARS I PLUS unlocks each cell’s full performance, without compromises.

Single-phase: 550 V | Three-phase: 1000 V

SG-Ready Heat Pump
Warmth Without Waste

No feed-in penalties, no energy wasted. Just smart solar-to-heat conversion, ready when you are.

AI Meets TOU
Maximize Efficiency, Minimize Costs

Powered by AI, MARSTEK MARS I PLUS learns from real-time price data and charges when it’s most cost-effective, automatically optimizing your energy use.

MARSTEK MARS I PLUS uses real-time load insights to capture excess solar and keep it on site—eliminating grid export and maximizing your own energy.

Monitor, manage, and personalize your energy—right from the MARSTEK App. Bluetooth and Wi-Fi built in for real-time control, charging, and planning.

Access real-time data, fine-tune settings, and follow guided setup—all from the 10.1” HD touchscreen. Local EMS optimization is ready to empower your home today.

With open architecture and standard APIs, MARSTEK MARS I PLUS connects effortlessly to third-party systems.

EPS Protection, Triggered within 10 ms

MARSTEK MARS I PLUS’s EPS system delivers backup in under 10 ms, keeping your home online through every outage.

Up to 40 kW DC charging keeps you moving. V2X ready for the return—feed energy back into your home when it’s needed most.
*EV DC Charger optional.
Single-phase: 24 kW charging / 6 kW V2X
Three-phase: 40 kW charging / 12 kW V2X

In off-grid mode or during long outages, MARSTEK MARS I PLUS can tap into a connected diesel generator.
Coming soon: smart controls that automatically start the generator based on battery levels—efficient and reliable.

Build Your Battery, Grow to 30.72 kWh

Scale up to six packs as your needs grow. With a modular, plug-and-play design, the MARSTEK MARS I PLUS delivers up to 30.72 kWh of flexible, future-ready storage.

Scalable in Parallel
Up to 48 kW & 122.88 kWh

Connect up to 4 MARSTEK MARS I PLUS systems to meet your exact needs—scaling from 3.6 kW to 24 kW (single-phase) or from 8 kW to 48 kW (three-phase), with up to 122.88 kWh of total storage.
Perfectly tailored power, ready for any home.

LFP Technology
Safe, Reliable, and Long-Lasting

MARSTEK MARS I PLUS features automotive-grade LFP cells, delivering over 6000 cycles and maintaining 80% capacity for up to 15 years. Safe, reliable, and backed by a 10-year warranty.

With IP65-rated waterproof and dustproof protection, MARSTEK MARS I PLUS is ready to face any weather. Fire- and heat-resistant materials protect your energy system from the elements, ensuring reliable power year-round.

MARSTEK MARS I PLUS runs under 30dB, quieter than a fridge. Perfect for noise-sensitive households in the EU, it’s ideal for bedrooms, balconies, and spaces where peace is a priority.

Built to endure extremes, MARSTEK MARS I PLUS operates seamlessly between -25°C and 60°C, ensuring consistent power whether you're in the cold Alps or enduring the heat of a French summer.

Disclaimer

⚠️ The product’s external appearance and certain design elements are currently undergoing further refinement. The final specifications and design details will be based on the commercially available product.

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