Smart Home Energy

Smart plug-and-play home batteries built for energy independence.

Marstek Venus E 3.0

Power your home smarter with the Marstek Venus E 3.0 — a compact plug & play home battery with intelligent energy management, fast installation, and expandable storage for greater energy independence.

Future-ready energy storage with the leading Plug & Play Home Battery
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  • Take Control of Your Energy Bill

    Store your own electricity and use it when you need it. Reduce your reliance on expensive grid power and enjoy greater peace of mind over your energy costs.

  • Easy setup, instant benefits

    Plug it in, connect the app, and start benefiting right away. No complicated installation or home renovations required.

  • Provided by Marstek Direct

    Provided by Marstek Direct UK, a Certus Energy partner company, with smart software, automatic updates, and expert support from MW Energies to help you get the most from your energy system.

Testimonials

5/5

““We chose Marstek for its plug-and-play simplicity and excellent value, and the experience has been outstanding. Installation was straightforward, the app gives clear energy insights, and the battery system has significantly improved our energy efficiency and backup reliability.””

Dave Barett Manager
5/5

““Marstek delivers smart, dependable, and affordable energy storage solutions. Their products are easy to use, highly efficient, and a great step toward energy independence.””

About Watt Battery Specialist
5/5

““What stands out about Marstek is the balance between performance and affordability. Features like AI-assisted energy management, expandable storage capacity, and smart-home compatibility make their systems a strong choice for modern energy users.”.“

Customer thuisbatterijgid

How It Works

1

Store Energy Smarter

Charge your Marstek battery using solar power or low-cost off-peak electricity to reduce your daily energy costs.

2

Power Your Home

Use stored energy when electricity prices are highest or during peak household demand for greater efficiency and savings.

3

Stay Protected During Outages

Built-in backup power keeps essential appliances running automatically when the grid goes down.

4

Monitor Everything in Real Time

Track energy usage, battery status, and savings through the Marstek smart app with intelligent energy management controls.

UK Customer Support

Our dedicated team provides timely assistance, committed to addressing your queries.

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Official Distributor

Our batteries come direct from the Manufacture for the best price and service

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Free & Fast Shipping

When in stock, you can count on free home deliveries with 3 days

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Frequently Asked Questions

A home battery stores surplus energy generated by your solar panels so it can be used later when needed. By increasing solar self-consumption from around 25% up to 80%, a home battery helps reduce reliance on the electricity grid while lowering overall energy costs.

The amount you can save depends on your household energy usage and solar energy production. By storing and using more of your own generated electricity, a home battery can significantly reduce your reliance on the grid and lower energy costs, especially as net metering schemes change.

Marstek home batteries are compatible with most standard solar panels and inverters, making integration with existing solar systems simple and efficient.

Yes, the Marstek app allows you to manually schedule charging and discharging times. This enables you to charge the battery during off-peak hours and use stored energy when electricity prices are higher, helping you maximise savings with dynamic or time-of-use energy tariffs.

Yes, the Marstek app allows you to customise the charging and discharging power settings. When connected through a dedicated comfort circuit, the discharge output can be increased from 800W up to a maximum of 2500W for greater energy flexibility and performance.