MARSTEK VENUS E MINI household battery storage, 1.5kW, 2kWh

The World's Thinnest Plug-in ESS

At just 105mm thin and weighing only 22kg, the VENUS E Mini is one of the most compact balcony energy storage solutions available. Its refined design blends seamlessly and discreetly into any home environment.

1.5kW Continuous Backup with <15ms Seamless Switch

Enjoy peace of mind with stable 1.5kW backup power and up to 1.8kW peak power. The EPS-grade automatic switch activates in less than 15ms, so your appliances will barely notice a grid outage.

Portable Backup Wherever You Need It

Lightweight and easy to carry, VENUS E Mini provides reliable backup power for your essential devices—whether you're in the garden, on a day trip, or enjoying a weekend outdoors.

2kWh Tailored Capacity for Daily Energy Savings

Each unit provides a precise 2kWh of storage, optimized for European households. It enables peak shaving and keeps essential appliances powered during periods of high electricity prices.

5-Minute Instant Setup via AC-Coupling Technology

No rewiring or DC-side intervention required. Thanks to its AC-coupled design, VENUS E Mini can be plugged directly into your home grid just like a standard appliance, with installation completed in under 5 minutes.

Intelligent Energy Forecasting and TOU Management

Powered by Marstek AI, the system learns your home's energy consumption patterns and integrates weather data to automatically charge when electricity prices are low and discharge when they are high, helping maximize your savings.

Universal Integration with 100% of Existing Solar Systems

VENUS E Mini works independently of your solar inverter brand or communication protocol. It adds energy storage to any existing system without the need to replace or modify your current setup.

Scalable Whole-Home Backup up to 4kWh

Paired with the Single-Phase SmartBox, the system can be expanded to up to 2 units, delivering 3kW of output and 4kWh of capacity for reliable whole-home backup power.

Real-Time Monitoring and Smart Mode Switching

Track energy flow, manage multiple devices, and switch between Manual, Self-Consumption, or AI-Optimized modes anytime, anywhere via the intuitive Marstek App.

Premium LFP Cells with a 15-Year Design Life

Using ultra-safe Lithium Iron Phosphate (LFP) chemistry, the VENUS E Mini delivers more than 10,000 deep cycles, ensuring a stable and reliable energy supply for over a decade.

Integrated Smart BMS for All-Round Safety

The built-in Battery Management System (BMS) provides 24/7 monitoring and six layers of protection, ensuring safe and reliable operation.

Wide Temperature Operation

Operates reliably in extreme temperatures from -20°C to 60°C.

Military-Grade IP65 Protection for Indoor & Outdoor Use

Built to withstand the elements, the IP65-rated enclosure is completely dustproof and splash-resistant, making it suitable for balconies, garages, and outdoor installations.

Save Up to €542 Annually with AI-EMS Optimization

AI-EMS maximizes the value of every kilowatt-hour by increasing solar self-consumption and intelligently optimizing surplus energy. With a typical 1.5 kWp residential PV system and annual household consumption of 2,500 kWh, total annual electricity savings can reach up to €542.