MARSTEK VENUS E MAX battery storage for home, 3.6kW, 10kWh

World's First 10kWh All-in-One Plug-in Battery

VENUS E MAX combines a high-capacity 10kWh battery, inverter, and EMS into one compact system for true plug-and-play home energy storage. Delivering longer backup power and greater energy independence, it enables effortless installation for solar storage, peak shaving, and reliable whole-home energy management.

3.6kW Bidirectional Power

Class-Leading Plug & Play Performance

Engineered with a powerful 3.6kW bidirectional output, VENUS E MAX supports energy-intensive home appliances while enabling faster charging, smoother energy flow, and more flexible everyday power use.

3.6kW Essential Backup Power

When the Grid Goes Down, Life Goes On

With automatic switchover in under 10ms, VENUS E MAX keeps essential home appliances running seamlessly during outages — delivering reliable backup power for everyday comfort, safety, and peace of mind.

Plug & Play Deployment with SmartBox

Power That Grows With Your Home

Easily expand your system to 10.8kW and 30kWh in minutes via SmartBox parallel operation, supporting selectable single-phase and three-phase home energy setups for flexible, future-ready power expansion.

Portable EV Charger Compatible

Seamlessly compatible with the MARSTEK portable EV charger, VENUS E MAX integrates home energy storage and EV charging into one system, enabling smart charging modes such as solar-first charging, scheduled charging, and off-peak charging for a more efficient and cost-effective EV experience.

Over 10,000 Deep Cycles for Decades of Reliable Use

Powered by 314Ah high-capacity lithium iron phosphate (LFP) cells, the system delivers over 10,000 deep cycles, ensuring long-lasting safety, stability, and reliable performance for home energy storage.

Maximize Your Energy Savings

Turn more of your solar energy into real savings with intelligent storage and energy optimization.

AI-Driven Energy Optimization – Smarter Energy Decisions, Lower Electricity Costs

MARSTEK AI continuously analyzes weather forecasts, electricity market data, and household load patterns to automatically optimize your energy usage, maximizing solar self-consumption and reducing electricity costs.

VPP Functionality

VENUS E MAX supports Virtual Power Plant (VPP) integration, enabling your home energy system to be aggregated and dispatched through the grid. This helps optimize electricity usage, reduce energy costs, and unlock additional value from your stored energy.

Seamless Ecosystem Integration

VENUS E MAX integrates seamlessly with major smart home platforms via open APIs, enabling unified control and intelligent coordination of your home energy devices for more efficient energy management.

User-Friendly Marstek App

The intuitive Marstek App makes setup and daily operation effortless, giving you full visibility and control over your home energy system in just a few taps.

The Easiest Plug-in Battery for PV Retrofit
No Rewiring. No Inverter Replacement. No Hassle.

Upgrade your existing PV system effortlessly. VENUS E MAX integrates via AC coupling, allowing you to add energy storage without modifying your current solar installation.

All-in-One Plug & Play

A fully integrated system combining battery, inverter, and energy management in one unit — designed for true plug-and-play installation with quick setup and instant use.

Magnetic Cover Design

A refined magnetic cover system conceals wiring and integrates seamlessly into the product design, delivering a clean and aesthetically balanced energy solution for the home.

IP65 Protection & Wide Temperature Resistance

Built to withstand harsh environments, VENUS E MAX features IP65 dustproof and waterproof protection. Operating reliably from -20°C to 60°C, it delivers stable, continuous power, making it ideal for both indoor and outdoor use.

10-Year Warranty, 15-Year Lifespan

Long-Term Reliability You Can Trust

Built for durability, VENUS E MAX is designed for a lifespan of up to 15 years and backed by a 10-year warranty, ensuring long-lasting performance and peace of mind for your home energy investment.