Discover the Marstek Venus E 3.0
Venus E 3.0 features our most refined design to date.
With slimmer dimensions, softened edges, and a 38.5% reduction in volume compared to the previous generation, it blends effortlessly into any living space.
Marstek Venus E 3.0 + P1 Meter | 5 kWh | Plug & Play Home Battery + P1 Meter
1-5.12kWh / P1 Meter
Sale price
€1.030,00
Regular price
€1.080,00
Skip to product information
Marstek Venus E 3.0 + P1 Meter | 5 kWh | Plug & Play Home Battery + P1 Meter
Sale price
€1.030,00
Regular price
€1.080,00
Price excl. VAT, calculated at checkout.
Description
Key Benefits
- Plug & play: ready for operation in minutes; perfect for existing PV systems with string inverter
- Built-in backup: powers critical devices during outages (up to 2.5 kW)
- Robust & safe: LiFePO₄ (LFP), > 6,000 cycles, 10-year warranty
- IP65 enclosure: suitable for indoor or sheltered outdoor installation
Key Specifications (E 3.0 – 5.12 kWh)
- Battery chemistry: LiFePO₄ (LFP)
- Usable capacity: 5.12 kWh
- Charge/discharge power: 800 W via plug; up to 2.5 kW on a dedicated circuit
- Backup output: max. 2.5 kW
- Control / IO: Wi-Fi, Bluetooth, LAN/UTP, RS-485
- Meters: P1 reader, 3-phase CT meter; compatible with various energy meters
- Scalability: up to 3 units per phase (≈ 15.36 kWh / 7.5 kW per phase)
- Protection rating: IP65
- Warranty: 10 years
Installation (Quick Overview)
- Placement: flat and dry; wall-mounted or floor-standing
- Connection: plug into 230 V, connect via the app, select mode (Self-consumption / AI / Manual)
- Monitoring: connect P1 reader or CT meter for zero export and smart control
- Upgrade (optional): dedicated circuit for 2.5 kW charge/discharge and/or backup circuits
Attribute
Brand: Marstek
SKU: SESS3001
Shipping & Returns
Estimated delivery times vary depending on the destination country, product availability, shipment type, carrier capacity, and transport conditions.
Typical delivery times within Europe are:
• Battery systems: 5–12 business days
Delivery times are estimates only and are not guaranteed.
Certificates
- 📄 CE_RED_Declaration.pdf
- 📄 CE_LVD_Declaration.pdf
- 📄 CB_IEC62619_Certificate.pdf
- 📄 IP65_Test_Report.pdf
- 📄 UN38.3_Certificate.pdf
- 📄 WEEE_Certificate.pdf
- 📄 LVD_IEC62040_Test_Report.pdf
- 📄 IEC62477_Test_Report.pdf
- 📄 Germany Grid Connection.pdf
- 📄 Netherlands Grid Connection.pdf
- 📄 EU_EN50549_Grid_Connection.pdf
- 📄 Belgium Grid Connection.pdf
- 📄 Poland Grid Connection.pdf
Complete Your System
5-Second Plug & Play Installation
With AC-Coupling technology, Venus E 3.0 connects with only one cable — no tools, no delay.
Unshakable Communication now with LAN port
Venus E 3.0 features a dedicated LAN port, enabling real-time, wired communication with your home energy system. Compared to Bluetooth or Wi-Fi, LAN ensures faster response, better stability, and zero signal interference — especially in complex or signal-congested environments.
Up to 2500W On-Grid Input & Output Power
Enough to power all your home essentials at once — from the microwave to the fridge.
Venus E Gen 3.0 delivers up to 2500W of continuous on-grid power with smooth and reliable performance.
*Default on-grid output is 800W. Upgrade to 2500W requires local utility or government approval.
Expandable to 7.5 kW / 15.36 kWh
on Single-Phase
Venus E Gen 3.0 supports up to three units on a single-phase setup—scaling your power and storage up to 7.5 kW and 15.36 kWh.
Designed for flexibility, built for real needs.
*Expansion depends on your home's circuit capacity. Please consult an certified electrician before installation.
100% Compatible with Existing PV Systems
Venus E Gen 3.0 is designed to work effortlessly with your existing on-grid solar system—no need to replace your current inverter or change your setup. Just plug it in and start storing more of your solar energy.
Up to 2500W of Reliable Backup Power
Venus E Gen 3.0 features a dedicated backup port that delivers up to 2500W during outages. Keep essential appliances—such as lighting, internet routers, or refrigerators—running, ensuring uninterrupted operation when the grid goes down.
Whole-Home Backup Support with MARSTEK Smart Box
Venus E Gen 3.0 supports whole-home backup with MARSTEK Smart Box. Whether you're running a single unit or multiple in parallel, your entire home stays powered during outages.
*Installation guide for Smart Box (optional) will be available after product launch.
Multiple modes to meet diverse needs
With the MARSTEK app, switch effortlessly between AI-Optimization, Self-Consumption and Manual Modes.
Venus E Gen 3.0 adapts to your energy lifestyle—whether you want full automation, intelligent response, or manual precision.
Smarter Energy with AI and Dynamic Tariffs
Venus E Gen 3.0's AI Mode automatically plans your charging based on your region's real-time electricity prices from platforms like Nord Pool, Tibber, and Octopus Energy. It learns your energy usage patterns, analyzes battery level and weather forecasts, and continuously adjusts both when and how much to charge — helping you reduce costs and maximize energy savings without lifting a finger.
Zero Feed-in to Grid enabled by Smart Meter
With real-time smart meter integration and adaptive control, Venus E Gen 3.0 ensures no surplus solar energy is exported to the grid, making it ideal for areas with export restrictions or limited feed-in tariffs.
Annual Savings of €1,310
Venus E Gen 3.0 helps you save up to €1,310 per year by optimizing energy usage with AI-driven smart management and real-time electricity pricing.
Wide Compatibility with Leading Smart Meters
Venus E Gen 3.0 supports a wide variety of smart meters from leading manufacturers, enabling accurate energy monitoring and efficient adaptive control in diverse scenarios.
Reliable Operation Down to -20°C | IP65-Rated Protection
Venus E Gen 3.0 ensures stable performance even in freezing temperatures as low as -20°C, and its IP65-rated enclosure protects against rain, dust, and harsh environments.
Open API for Seamless Integration with EMS Platforms
Venus E Gen 3.0 supports Open API integration with leading EMS platforms such as Home Assistant and IoBroker, giving you access to device data and control capabilities for flexible automation and personalization within your smart energy ecosystem.
Ultra-Quiet Operation — Under 30dB
Runs so quietly that it blends into your environment, ensuring comfort without noise disturbance.
Long-Lasting Battery, Backed by a 10-Year Warranty
Equipped with advanced LFP battery technology, Venus E Gen 3.0 delivers over 6000 deep cycles with 80% capacity retention—ensuring up to 15 years of reliable use. Backed by a 10-year warranty for your long-term investment.
MARSTEK VENUS E 3.0 Installation Guide
Frequently Asked Questions
1. What is a home battery used for?
A home battery stores excess electricity (often from solar panels) so you can use it later, helping reduce your reliance on the grid and lower your electricity costs.
2. Can a home battery work without solar panels?
Yes. A home battery can also charge from the electricity grid. However, it is most beneficial when combined with solar panels to store your own generated energy.
3. How long do home batteries usually last?
Most modern lithium batteries have a lifespan of 10–15 years and can handle thousands of charge cycles, depending on usage and operating conditions.
4. Can battery capacity be expanded later?
Our battery systems allow expansion by adding additional batteries. This allows you to increase your energy storage capacity if your energy needs grow.
5. Are home batteries safe?
Yes, definitely. Modern home batteries include built-in safety systems such as a Battery Management System (BMS) that protects against overcharging, overheating, and short circuits.
6. Where can a home battery be installed?
Home batteries can typically be installed in places such as a garage, utility room, or technical space. Installation should always follow manufacturer guidelines.
7. Do home batteries require maintenance?
Home batteries generally require very little maintenance. Regular system checks and proper installation help ensure optimal performance and lifespan.