MARSTEK VENUS X: All-In-One 6kW AC-Coupled 10kWh Energy Storage System
Introducing the MARSTEK VENUS X — a game-changing AC-coupled ESS that combines seamless installation, powerful performance, and smart energy management. Designed for residential and business users, it delivers 6kW bidirectional on-grid power, 6kW backup power (12kW peak), and 10kWh expandable capacity, all backed by a durable LFP battery and 10-year warranty.
Core Product Advantages
WireLite Easy Wiring: Simplified AC coupling to the distribution box — no complex cable crimping or multiple steps, cutting installation time vs. traditional ESS.
6kW Bidirectional Grid-Connected: High-power charging/discharging for efficient energy exchange with the grid and solar systems.
Max Solar Integration: 6kW AC PV input, fully compatible with existing solar systems for smart control and 100% self-consumption.
Flexible Capacity Expansion: 10kWh base capacity, expandable with up to 5 extra battery packs (max 60kWh) to match growing energy needs.
Whole-Home Backup: 6kW continuous/12kW peak backup power, <10ms switchover time, ensuring uninterrupted supply for critical and daily loads.
AI-Optimized TOU Management: Automatically adjusts charging/discharging based on electricity prices and solar forecasts to minimize costs and maximize savings.
Anti Feed-In Protection: Works with smart meters to prevent surplus energy from feeding back to the grid, optimizing self-consumption.
Smart Connectivity & Control: Wi-Fi/Bluetooth/Ethernet/RS-485 connectivity, real-time monitoring via MARSTEK App, and Open API for third-party EMS integration.
Durable & Quiet: IP65 waterproof/dustproof rating, sub-30dB silent operation, and -20°C~+55°C operating temperature range for all environments.
Long-Lasting Reliability: LiFePO4 (LFP) battery with 6000+ cycles, 90% depth of discharge (DoD), 10-year warranty, and 15-year lifespan.
Key Performance Metrics
Battery Capacity: 10kWh (expandable to 60kWh with 5 extra packs), LiFePO4 chemistry.
On-Grid Power: 6kVA bidirectional output, >0.99 power factor, THDi <3%.
Max 5 packs; Module Voltage: 400V (350~500V range); Max Charge/Discharge Power: 6kW; Max Charge/Discharge Current: 17.1A
Versatile Application Scenarios
Perfect for homeowners with existing solar systems, those needing whole-home backup power, and business clients seeking advanced EMS integration. It excels in areas with unstable grids, high electricity tariffs, or a focus on energy self-sufficiency. The AI TOU management and anti feed-in function maximize cost savings, while the expandable capacity and durable design adapt to both residential and small commercial needs.
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