Unveiling the New VENUS E Mini — The World's Thinnest Plug-in ESS

MARSTEK VENUS MAX

10kWh Plug-in Battery
3.6kW Bidirectional Power
3.6kW Backup Power | Switchover < 10ms
Annual Savings Up To €2,250
AC Coupling for Easy Retrofit
Scalable with SmartBox | Up to 10.8kW / 30kWh
314Ah High-Capacity LFP Cell | 10,000+ Cycles
Portable EV Charger Compatible
VPP Aggregation and Scheduling

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Overview

Specs

Reviews

3.6kW Bidirectional PowerClass-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.

10kWh Full Capacity Home Energy Storage

Store more solar energy during the day and power your home longer at night. With a high-capacity 10kWh system, VENUS E MAX helps reduce grid reliance while ensuring reliable backup when needed.

3.6kW Essential Backup PowerWhen 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.

Scalable 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.

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.
VENUS E MAX: approx. €2,250 per year
Standard Storage: approx. €1,900 per year
PV System Only: approx. €900 per year
*Estimated based on typical German residential PV and storage simulations. Actual savings may vary depending on household energy consumption, roof orientation, weather conditions, and electricity prices.

AI-Driven Energy OptimizationSmarter 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.

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.

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
Control Your Energy Anytime, Anywhere

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.

AC Coupling for Easy Retrofit
No Rewiring. No Inverter Replacement. No Complexity.

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.

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.

A smart segmented display provides real-time visibility of your entire energy system, including backup power, battery status, grid connection, and wireless connectivity. So you always know how your system is performing.

Smart Anti Feed-in Control, Maximize Self-Consumption, Eliminate Energy Waste

Compatible with MARSTEK, Shelly, HomeWizard, and other mainstream smart meters, the system intelligently prevents excess energy feed-in, ensuring more of your solar power is used directly in your home.

Operating at under 30dB, VENUS E MAX runs quietly in the background, ensuring a noise-free environment for your home, whether you are working, relaxing, or sleeping.

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.

Multiple BMS Protections
Advanced Safety for Total Peace of Mind

A comprehensive Battery Management System continuously monitors and protects the system, ensuring safe operation through intelligent control of charging, discharging, temperature, and voltage conditions.

With IP65-rated protection, VENSU E MAX is fully resistant to dust and water ingress, ensuring stable and reliable performance in both indoor and outdoor environments.

Designed for stable performance from -20°C to 60°C, VENUS E MAX delivers consistent energy output in both freezing winters and hot summer environments.

With IP65-rated protection, VENSU E MAX is fully resistant to dust and water ingress, ensuring stable and reliable performance in both indoor and outdoor environments.

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MARSTEK VENUS MAX

10kWh Plug-in Battery

3.6kW Bidirectional Power

3.6kW Backup Power | Switchover < 10ms

Annual Savings Up To €2,250

AC Coupling for Easy Retrofit

Scalable with SmartBox | Up to 10.8kW / 30kWh

314Ah High-Capacity LFP Cell | 10,000+ Cycles

Portable EV Charger Compatible

VPP Aggregation and Scheduling