Since 2008
Based in Belgium and France
+ 60 000 clients
Our blog
A.S.S.
Shopping Cart
The Marstek Venus E Gen 3 (Venus E 3.0) is a 5.12 kWh AC Plug & Play domestic battery designed to optimise solar self-consumption, reduce electricity bills and provide reliable electrical backup.
LiFePO₄ technology: guarantees high longevity (>6,000 cycles), maximum safety and stable long-term performance.
Simple installation: plugged directly into a 230 V socket or into the switchboard via a dedicated differential, compatible with any existing photovoltaic system, without inverter modification.
Intelligent modes: Self-consumption, AI Optimization and TOU Scheduling for optimum energy management based on solar production and consumption.
Scalable and flexible: several units can be connected to produce up to 46 kWh, suitable for all sizes of home (houses, flats, holiday homes, mobile homes).
Multiple applications: reducing electricity costs, backup power for essential appliances, intelligent solar energy storage and integration into home automation systems via Wi-Fi, Bluetooth or open API.
Venus E Gen 3 combines performance, reliability, safety and durability, offering a complete solution for intelligent home energy management. It represents a sustainable investment for households wishing to maximise energy autonomy, protect their home and optimise their savings.
You are about to create a quotation for the kit Lithium battery Marstek Venus E 3.0 - 5.12 kWh | Plug & Play.
This action will open the quotation app in a new tab.
The Marstek Venus E Gen 3 (Venus E 3.0) is the Plug & Play AC domestic battery designed for modern households that want to make the most of their solar installation. Thanks to its cutting-edge LiFePO₄ technology and smart features, this battery allows you to:
Important notice for our customers in Belgium: An environmental contribution of €182.07 excluding VAT will be applied to the purchase of each Marstek Venus E 3.0 5.12kWh lithium battery.More information at the bottom of the page.
Real capacity: 5.12 kWh LiFePO₄, cycles > 6,000 for exceptional service life.
Rated power: 2.5 kW, peak power: 3.5 kW.
Fast automatic backup (<15 ms) to ensure continuous power supply to essential devices.
Plug & Play AC technology: connect to a 230 V socket or to the switchboard via a differential.
Compatible with all existing photovoltaic systems and smart meters.
No complex wiring or inverter modifications required.
AI algorithms to optimise charging and discharging according to solar production and your consumption habits.
Configurable modes: Self-consumption, AI Optimization, TOU Scheduling, and manual.
Reduces your electricity costs by up to 30% by exploiting off-peak hours and your surplus solar energy.
Stable and safe LiFePO₄ battery, resistant to deep cycles.
IP65 enclosure for protection against dust and water, usable indoors or outdoors.
Manufacturer's warranty of up to 10 years, for total peace of mind.
Single-phase: up to 3 units → 15.36 kWh
Three-phase: up to 9 units → 46.08 kWh
Compatible with all PV AC installations, EMS, Smart Meters P1/CT and home automation integration possible.
Single-family homes and flats
Optimisation of solar self-consumption
Electrical back-up for critical equipment
Scalable projects for future energy needs
The Marstek Venus E Gen 3 is much more than just a domestic battery. It's a complete solution for your energy autonomy, combining performance, safety, durability and intelligence. Whether you want to :
Reduce your electricity bills by maximising self-consumption of your solar production,
Benefit from a reliable backup to power your essential appliances in the event of a power cut,
Store the energy produced by your photovoltaic panels so that you can use it whenever you like,
Optimise the use of your energy according to tariff schedules and your consumption habits thanks to AI intelligent modes,
Gradually increase your energy capacity thanks to scalability and the possibility of connecting several units,
Venus E Gen 3 meets all these needs.
Easy to install, it connects directly via its Plug & Play AC technology, without any complex intervention or modification to your existing inverter. Scalable and compatible with all photovoltaic installations, it can be adapted to your house, flat or second home.
Investing in Venus E Gen 3 means choosing peace of mind, savings and sustainable energy for years to come, while having a powerful tool for intelligently managing your energy on a daily basis.
As part of our commitment to regulatory compliance and environmental responsibility in Belgium, we would like to inform our customers that the purchase of a Marstek Venus E 3.0 5.12kWh lithium battery is subject to a mandatory environmental levy.
An amount of €182.07 excluding VAT must be added for each battery purchased, as a direct contribution to Bebat, the organisation in charge of managing batteries and accumulators in Belgium. This measure complies with current Belgian environmental legislation.
Please note When purchasing lithium batteries, please add the corresponding product"Environmental contribution Bebat Zendure AB3000X" according to the number of batteries you order. Otherwise, we will recalculate and invoice the amount after the purchase.
This tax only applies to Belgian customers.
The battery offers a useful capacity of 5.12 kWh with high-quality LiFePO₄ technology, guaranteeing over 6,000 cycles and a longevity of at least 15 years.
Installation is Plug & Play AC, very simple: connect the battery to a 230 V socket or to the switchboard via a dedicated differential. There's no need to change the inverter. Installation can be carried out quickly, even by a private individual.
Yes, the Venus E Gen 3 provides instant power (<15 ms) for your essential appliances, such as fridges, internet boxes, lighting and critical equipment.
Yes, the battery can be upgraded:
Three-phase: up to 9 units → 46.08 kWhThis means you can adapt the capacity according to your energy needs.
Yes, the Venus E Gen 3 is compatible with all AC PV systems and P1/CT smart meters. It can also be integrated into home automation systems via Wi-Fi, Bluetooth or an open API.
The battery has several modes for optimising energy use:
Self-consumption: maximises solar self-consumption.
AI Optimization: uses the intelligent algorithm to optimise charging and discharging according to your consumption and solar production.
TOU Scheduling: schedules charging according to hourly tariffs.
Manual Mode: complete manual control of the battery.
Lithium Iron Phosphate (LiFePO₄) technology offers:
Exceptional longevity (>6,000 cycles).
Thermal and chemical stability for greater safety.
A deep discharge capacity of up to 90%, without reducing service life.
No maintenance required.
No. The SolarFlow 2400 AC is designed for simple, flexible installation. It can be plugged into a standard wall socket for quick commissioning or installed on a dedicated circuit to exploit its full power. For certain configurations, the intervention of a qualified electrician is recommended.
Yes, this domestic battery is suitable for detached houses, flats, second homes and even mobile homes. Its compact size and Plug & Play installation make it flexible and easy to integrate into different environments.
The battery comes with a 10-year manufacturer's warranty, giving you security and peace of mind for many years to come.
check_circle
This store asks you to accept cookies for performance, social media and advertising purposes. Social media and advertising cookies of third parties are used to offer you social media functionalities and personalized ads. Do you accept these cookies and the processing of personal data involved?