Marstek Smartbox Single-phase

Automatic switch to backup power during outages, specifically designed for single-phase connections and fully compatible with Marstek systems.

View specifications

Automatic switching

Instantly switches to the backup port during a power outage to ensure continuous power supply

Compact design

Easy to install and suitable for almost any meter cabinet

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Reliable backup power

Essential devices such as lighting, internet, and refrigeration remain operational at all times

Compatibility

Works seamlessly with Marstek systems and is the ideal addition to home battery setups

The Marstek Smartbox Single-phase ensures safe and automatic switching to the backup port when the grid fails. This compact solution provides households with a single-phase connection immediate reliability and continuity. In combination with Marstek batteries and energy systems, the Smartbox forms a dependable foundation for backup power supply.

Instant switching

The Smartbox switches to the backup port within milliseconds during a grid failure. This ensures that critical devices continue to receive power without interruption.

Easy installation

Thanks to its compact design and user-friendly connections, the Smartbox Single-phase can be installed quickly and without complications.

Always prepared

Whether it concerns unexpected outages or planned maintenance, the Smartbox ensures that essential functions in the home remain operational.

Works with three-phase variant

For larger installations or commercial use, the Smartbox Three-phase is available. Both versions integrate seamlessly and provide a solution for every type of connection.

Key specifications

Function
Automatic switching during power outages
Direct backup power supply
Application
Specifically for single-phase connections
Suitable for residential use
Installation
Compact and easy to install
Suitable for installation in meter cabinets
Compatibility
Works with Marstek ESS and batteries
Supports backup power via backup port
Safety
Reliable switching
Designed for continuous operation
Warranty
2-year manufacturer warranty
Support via MW Energie

The Smartbox Single Phase provides households with a single-phase connection the assurance of automatic backup power. Through seamless integration with Marstek batteries, power outages are instantly managed, ensuring essential appliances remain operational at all times.

In addition to its compact design and easy installation, the Smartbox is a valuable addition to any residential energy system. For larger applications or commercial installations, the Smartbox Three Phase is available, offering the same reliable functionality for three-phase connections.

Who is it for

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Distributors

Our chain starts with distribution. We work with partners who sell our products and add value. With clear agreements, reliable stock availability, and technical support, we make collaboration straightforward.

Installers

We support installers with easy-to-understand systems, reliable delivery, and direct access to support. No unnecessary complexity, but a partner who thinks along and provides solutions that make the job easier.

E-commerce businesses

For e-commerce companies with technical expertise and a network of installers, we provide both plug-and-play solutions and other energy solutions. We offer clear documentation and service that continues even after delivery.

Private individual

Our focus is not on direct sales, but on strengthening the market. We help stimulate demand, clarify the market, and guide users toward quality choices. This is how we operate together in a B2B2C model.

Partner in

energy storage

As an importer and specialist in energy storage, we provide not only reliable products, but also the service and expertise to support you. With MW Energie, you choose quality, continuity, and a partner who thinks along with you.

Partner network
Contact

More about the Marstek Smartbox Single Phase

Connectivity

Integration

Works seamlessly with Marstek ESS and batteries

Switching

Automatic switching to the backup port

Integration

Full integration with energy management systems

Applications

Households

Reliable backup power for homes with a single-phase connection

Essential appliances

Keeps lighting, internet and refrigeration running during outages

Continuity

Protection during power failures or scheduled maintenance

Installation & integration

Design

Compact form factor, fits easily in the meter cabinet

Installation

Quick and easy to install by professionals

Compatibility

Directly compatible with Marstek batteries and accessories

The 4 guarantees of MW Energie

40+ years of experience in energy solutions

40+
Always a warranty on our products

We only supply products from brands that have proven their quality. Always with a clear manufacturer’s warranty, so you can invest with confidence.

Expert technical support

Whether you are a dealer or an end user, our support team is ready to assist with advice, installation questions, and solutions. Fast, knowledgeable, and personal.

Own stock, fast delivery

We keep our products in stock ourselves. This allows us to deliver quickly, so you are never dependent on long lead times or uncertain availability.

Dedicated aftercare and service

Our work doesn’t stop after delivery. We remain involved for maintenance, updates, and guidance, ensuring that you and your customers can rely on ongoing support.

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