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MARSTEK VENSU X

6 kW Bidirectional Inverter – Efficient charging and discharging for heavy loads
Up to 6 kW PV Integration – Seamless connection with existing solar systems
Flexible Storage Expansion – Base 10 kWh, expandable up to 60 kWh
Dual Backup Modes – Essential loads or whole-home power support
WireLite™ AC Coupling – Lightweight, clean, and simple wiring
Quiet Operation – Below 30 dB for peaceful home environment
Smart App Control – Real-time monitoring and remote management
TOU Peak Shaving – Optimize electricity costs automatically
Multiple Connectivity – Wi-Fi, Bluetooth, Ethernet, RS-485, Open API

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Overview

Specs

Reviews

All-in-One 6 kW AC-Coupled 10 kWh ESS

Powerful 6 kW Bidirectional Inverter

VENUS X delivers efficient charging and discharging with up to 6kW power, supporting heavy household and commercial loads. With smart peak shaving and load shifting, plus real-time electricity pricing via the MARSTEK App, you can optimize energy usage, cut peak-hour costs, and gain true energy independence.

Up to 6 kW PV System Integration

VENUS X supports up to 6 kW AC PV input, intelligently managing existing solar systems without extra modifications needed. With precise smart control, it boosts efficiency, stability, and ensures reliable power for your home from day to night.

Flexible Storage Expansion up to 60 kWh

Starting with a 10 kWh base, VENUS X supports up to 5 additional battery packs for a total of 60 kWh. Its flexible design adapts to any household demand, with easy installation, independent maintenance, and efficient cooling to extend battery life and ensure stable, reliable power.

Dual Backup Modes, One Instant Response

VENUS X offers flexible backup for critical loads or the whole home with <10 ms switchover. Essential Mode provides emergency power to key appliances with simple step-by-step instructions for connection, while Whole-Home Mode delivers up to 6 kW continuous power and 12 kW surge when installed by a certified electrician—ensuring reliable, uninterrupted power during outages.

WireLite: Easy AC Coupling

Compared to traditional home storage systems, WireLite offers lightweight wiring that occupies minimal space and simplifies both internal and external distribution box connections, providing stable power supply while keeping your setup clean, organized, and visually appealing.

Anti Feed-In Precision, Instant Response

Paired with MARSTEK Smart Meter, VENUS X automatically adjusts its charging and discharging power in real time according to your household load.
With a rapid 3-second response and a minimal error margin of just 10W, the system ensures that excess solar energy is efficiently stored—maximizing self-consumption.
Embrace the power of smart energy management and fully capitalize on the energy you generate.

TOU Optimization with MARSTEK Intelligent

VENUS X features an AI-powered system that tracks local electricity prices in real time.
It charges during off-peak hours and supplies power during high-rate periods, helping you save on bills effortlessly—no manual operation required.

With the MARSTEK App, you can monitor system performance in real time and remotely control operating modes. Whether for cost savings, energy independence, or backup power, VENUS X keeps everything at your fingertips.

VENUS X features an open, standardized API for seamless integration with third-party energy management systems (EMS). Whether you're developing custom control strategies or syncing with smart home platforms, real-time data access and system control empower you to build a flexible, intelligent energy ecosystem tailored to your needs.

VENUS X supports Wi-Fi and Bluetooth for easy real-time monitoring and remote control, Ethernet for high-speed wired network access, and RS-485 with Modbus RTU for professional EMS/BMS integration—providing flexible, secure, and scalable connectivity for both home users and technical integrators.

VENUS X runs at noise levels below 30 dB, ensuring a peaceful home environment while delivering powerful performance.

LFP Inside, Confidence Outside

Advanced LiFePO4 battery supports over 6000 cycles while maintaining 80% capacity. Designed for full daily use, it guarantees a service life of over 15 years with a solid 10-year warranty, ensuring reliable, worry-free power for your home.

Sealed with IP65 Strength for Reliable Performance

VENUS X features an IP65 waterproof and dustproof design with materials resistant to high temperatures and fire. Engineered to operate reliably from -25°C to 55°C, it delivers consistent, safe power in all weather conditions—ensuring your home stays protected no matter the environment.

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MARSTEK VENSU X

6 kW Bidirectional Inverter – Efficient charging and discharging for heavy loads

Up to 6 kW PV Integration – Seamless connection with existing solar systems

Flexible Storage Expansion – Base 10 kWh, expandable up to 60 kWh

Dual Backup Modes – Essential loads or whole-home power support

WireLite™ AC Coupling – Lightweight, clean, and simple wiring

Quiet Operation – Below 30 dB for peaceful home environment

Smart App Control – Real-time monitoring and remote management

TOU Peak Shaving – Optimize electricity costs automatically