MARSTEK MARS I PLUS: All-in-One Hybrid ESS for Smart Residential Energy Solutions
Empower your home with the MARS I PLUS, a cutting-edge 550V Boost Single-Phase Residential Energy Storage System (ESS) that redefines energy independence, efficiency, and versatility. Engineered with advanced technology and user-centric design, this hybrid inverter integrates seamlessly with solar panels, batteries, EV chargers, heat pumps, and even fuel generators—delivering reliable power anytime, anywhere.
Core Features & Advantages
Maximize Solar Utilization: Equipped with 2 MPPT trackers (99.6% MPPT efficiency) and a 125V-500V MPPT voltage range, supporting up to 12kW PV input for optimal solar energy capture.
550V Boost Battery Technology: Eliminates battery imbalance, compatible with 1-6 MST-MARS I PLUS-5.0KBAT modules (350V-550V) for flexible capacity expansion up to 30.72kWh.
Blazing-Fast Backup Switchover: <10ms disruption time ensures uninterrupted power supply for your entire home during grid outages.
Multi-System Integration: Works seamlessly with 7kW EV AC chargers, SG-ready heat pumps, and fuel generators—creating a comprehensive home energy ecosystem.
AI-Optimized TOU Management: Intelligently adjusts energy usage based on time-of-use tariffs to minimize costs and maximize savings.
Robust Protection & Durability: IP65 waterproof rating, -25℃ to 60℃ operating temperature range, and LFP battery cells with 6000+ cycles (10-year warranty) for long-lasting reliability.
User-Friendly Control: 10.1" HD touchscreen + mobile app access, paired with open API for third-party EMS integration—full control at your fingertips.
Quiet & Efficient Operation: <30dB noise level and up to 97.6% max efficiency, balancing performance with comfort.
Key Specifications
Model
MST-MARS I PLUS-3.6KSP
MST-MARS I PLUS-4.6KSP
MST-MARS I PLUS-5KSP
MST-MARS I PLUS-6KSP
Max. PV Power
7.2kW
9.2kW
10kW
12kW
Nominal AC Output Power
3.6kW
4.6kW
5kW
6kW
Max. Output Apparent Power
4kVA
5.1kVA
5.5kVA
6.6kVA
Battery Capacity Expansion
Up to 30.72kWh (1-6 modules)
Up to 30.72kWh (1-6 modules)
Up to 30.72kWh (1-6 modules)
Up to 30.72kWh (1-6 modules)
Max. Efficiency
97.60%
97.60%
97.60%
97.60%
Backup Switchover Time
<10ms
<10ms
<10ms
<10ms
Dimensions (W/H/D)
628×195×398mm
628×195×398mm
628×195×398mm
628×195×398mm
Weight
35kg
35kg
35kg
35kg
Compliance & Safety
Adheres to global standards including IEC/EN62109-1 (safety), IEC/EN61000-6-1~4 Class B (EMC), and EN 50549-1:2019 (on-grid). Features comprehensive protection: insulation monitoring, residual current detection, anti-islanding protection, DC reverse polarity protection, and Type II DC/AC surge protection.
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