Marstek Mars I Plus ESS | Inverter + Battery | Full Set
Regular price
From HK$37,000.00
Regular price
Sale price
From HK$37,000.00
(-0%)
Unit price
per
Max. PV Power
Max. DC Input Voltage
Nominal DC Input Voltage
Start-up Voltage Range
MPPT Voltage Range
Number of MPPT Trackers
Number of PV Strings Per MPPT
Max. Input Current Per MPPT
Max. Short-circuit Current Per MPPT
12kW (Single Phase) | 24kW (Three Phase)
550V (Single Phase) | 1000V (Three Phase)
360V (Single Phase) | 650V (Three Phase)
150V (Single Phase) | 200V (Three Phase)
125-500V (Single Phase) | 850V (Three Phase)
2 (Single Phase) | 4 (Three Phase)
1
16A
23A (Single Phase) | 20.8A (Three Phase)
Nominal Output Power
Max. Output Apparent Power
Nominal Output Current
Max. Output Current
Nominal Output Voltage
Nominal Grid Frequency
Power Factor
Total Current Harmonic Distortion
Nominal Input Power
Max. Input Apparent Power
Nominal Input Current
Max. Input Current
6kW (Single Phase) | 12kW (Three Phase)
6kVA (Single Phase) | 13.2kVA (Three Phase)
27.3A (Single Phase) | 18.2A (Three Phase)
27.3A (Single Phase) | 20A (Three Phase)
230V (Single Phase) | 380V / 400V (Three Phase)
50Hz / 60Hz
0.8 leading ~ 0.8 lagging
THDi < 3%
6kW (Single Phase) | 18kW (Three Phase)
6kVA (Single Phase) | 18kVA (Three Phase)
27.3A (Single Phase | 24.5A (Three Phase)
27.3A
Nominal Output Power
Peak Output Current
Nominal Output Voltage
Power Factor
Total Voltage Harmonic Distortion
Disruption Time of Backup Switch
6kW (Single Phase) | 12kW (Three Phase)
39.1A/9kW/60s (Single Phase) | 26A/18kVA/1s (Three Phase)
230V (Single Phase) | 380V/400V (Three Phase)
50Hz/60Hz
THDv < 3%
< 10ms
Battery Module Models
Number of Modules Per Inverter
Nominal Voltage of Battery Module
Voltage Range of Battery Module
MST-MARS I PLUS-5.0KBAT
1 ~ 6PCS
400V (Single Phase) | 650V (Three Phase)
360V~550V (Single Phase) | 650V~950V (Three Phase)
Dimensions (W/H/D)
Weight
Storage Temperature Range
Operating Temperature Range
Relative Humidity Range
Max. Operating Altitude
Cooling
Standby Power Comsumption
System Ingress Protection Rating
Noise Level
Display
General IO
Communication
628 × 195 × 400mm (Single Phase) | 610 × 220 × 560mm (Three Phase)
30kg (Single Phase) | 35kg (Three Phase)
-30°C ~ 80°C (Single Phase) | -35°C ~ 80°C (Three Phase)
-25°C ~ 60°C (Single Phase) | -20°C ~ 60°C (Three Phase)
0 ~ 90% (Single Phase) | 0 ~ 100% (Three Phase)
4000m, derating from 2000m
Natural Cooling
< 35W (Single Phase | < 25W (Three Phase)
IP65
< 30dB
10.1" LCD, APP
DI × 4, DO × 2, CT × 3, +5V power, +12V power, DRAM
RS485 for Meter, RS485 for Heat Pump, Parallel CAN × 2, DC BUS CAN (for V2G), RS485 for EMS, USBA for EMS Dongle, Wi-Fi/BT/Ethernet, Battery Access CAN (Internal)
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 | Three-phase: up to 24 kW Input
Total Independence with Customizable Hybrid Inverter from 6 to 12kW
Available in 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: 6.0 kW | Three-phase: 12 kW
Boosted, Balanced with up to 1000V 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.
Real Time
Real-time electricity price monitoring in 46 countries
Apple - App Store
Google Play
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.
Provides reliable backup for essential appliances, with peak output up to 1440 W for short bursts.
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.
MARSTEK MARS I PLUS’s EPS system delivers backup in under 10 ms, keeping your home online through every outage.
Up to
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.
Single-phase: 24 kW charging / 6 kW V2X
Three-phase: 40 kW charging / 12 kW V2X
Extreme Reliability with
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.
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.
Build Your Battery, Grow to 30.67 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
Connect up to 4 MARSTEK MARS I PLUS systems to meet your exact needs,
scaling from 24 kW (single-phase) or from 48 kW (three-phase), with up to 122.88 kWh of total storage.
Perfectly tailored power, ready for any home.
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.
Sub
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.
Frequently asked questions
What is the return policy?
Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right.
Are any purchases final sale?
We are unable to accept returns on certain items. These will be carefully marked before purchase.
When will I get my order?
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Where are your products manufactured?
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
How much does shipping cost?
Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.