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Vendor:MARSTEK
Marstek Venus E 3.0 – Plug & Play Home Battery 5.12 kWh
Save 38%
✔ Use as much of your own energy as possible and limit feeding back into the grid.
✔ A smart investment that quickly pays for itself.
✔ Use a P1 meter for smart, dynamic control.
✔ Plug & Play in just 5 minutes
✔ 10-year warranty
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Sale price€1.179,00Regular price
€1.900,00
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Free and fast delivery in the Netherlands.
10-year manufacturer's warranty.
14 dagen bedenktijd Retourbeleid
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Marstek Venus E 3.0 – Plug & Play Home Battery 5.12 kWh
Without CT003 / 1 battery (5.12 kWh)
Sale price€1.179,00Regular price
€1.900,00
The Marstek Venus E 3.0 5.12 kWh is a next-generation home battery, specially developed for users who value reliability, efficiency, and expandability. With a renewed design, improved connectivity, and compatibility with previous versions, this battery is a suitable choice for both new installations and the expansion of existing systems. The 3.0 version demonstrates that compact power and smart integration can go hand in hand.
Key Features
Fully recessed glass front panel – reduces the risk of damage during unpacking or installation.
Direct network connection: thanks to the RS-485 port and UTP connection, the Venus E 3.0 can be connected via a wired data cable. This is ideal for stable communication with external devices or home automation systems.
Flexible wall mounting: the battery comes standard with a wall bracket, allowing for easy wall mounting for a neat and space-saving installation.
Compatible with previous versions: the Venus E 3.0 works seamlessly with Marstek V1 and V2 batteries. Different versions can be connected and controlled together via the app.
Modern and robust design: the housing has been redesigned with a sleek and functional appearance. Please note: unlike the V2, the V3 does not have integrated handles or wheels.
Space-saving and powerful: thanks to its compact construction and smart layout, the Venus E 3.0 is easy to install, even in smaller technical rooms or storage areas.
Technical specifications
Nominal voltage: 51.2 V
Capacity: 5.12 kWh
Lifespan: more than 6000 cycles at 90% DoD
Dimensions: 620 mm (H) x 480 mm (W) x 160 mm (D)
Weight: 63 kg
Capacity
5,120 Wh / 5.12 kWh
Rated voltage
51.2 V
Cycle life
> 6000 cycles at 90% DoD
Protection class
IP65
Dimensions
620 x 480 x 160 mm
Weight
63 kg
Is the Marstek Venus-E 3.0 suitable for my living situation?
In most homes, the Marstek Venus-E 3.0 can be installed without major modifications. The system is suitable for 1-phase and 3-phase connections and takes up relatively little space due to its compact size.
Does the Venus-E 3.0 need to be connected by a technician?
No, this model is designed as a plug-and-play home battery. You plug the battery into a regular wall outlet, connect it to the app, and can then start using it immediately without a separate installer.
Does the Marstek Venus-E 3.0 also work if I do not have solar panels?
Yes, you can also use the battery without solar panels. For example, by storing energy when electricity prices are low and using it later or feeding it back into the grid at more favorable times.
Can the Marstek Venus-E 3.0 be safely installed both indoors and outdoors?
Yes, the casing is IP65 rated and the battery uses lithium iron phosphate technology. This means it has been developed for safe use indoors and in suitable outdoor locations.
Can I expand my home battery later?
Yes, the setup can later be expanded with additional Marstek batteries. Depending on your situation, it may also be possible to combine it with other or earlier Marstek models.
Annual savings of up to €1,310
AI-assisted control and current electricity prices help schedule charging and discharging when energy costs are most favorable.
Easy integration
100% compatible with existing PV systems
Connect Venus E 3.0 to an existing grid-connected solar installation without replacing the inverter or rebuilding the system.
Backup exit
Up to 2,500W reliable backup power
A separate backup connection keeps essential devices such as lights, routers, and refrigerators running during a power outage.
Marstek app
Multiple modes for each energy strategy
Switch between AI optimization, self-consumption, and manual control to match how your household uses energy.
Dynamic rates
Smart energy management starts with AI
Venus E 3.0 can combine price data from platforms such as Nord Pool, Tibber, and Octopus Energy with consumption patterns, battery status, and weather forecasts.
Adaptive control
No feed-in with smart meter regulation
Real-time measurement and adaptive output help prevent excess solar energy from being fed back into the grid.
Flexible ecosystem
Broad smart meter compatibility
Support for leading smart meters enables accurate measurement and efficient adaptive control across different home energy systems.
Built for real homes
Reliable operation down to -20°C
The IP65 enclosure protects the system from rain and dust, while the temperature range is suitable for demanding outdoor conditions.
Smart, silent and built to last
Whisper-quiet operation
Natural convection cooling keeps the noise level below 30 dB, making the system suitable for everyday living environments.
Long-life LFP battery
More than 6,000 deep cycles, an expected service life of up to 15 years, and a 10-year warranty provide long-term confidence.
Technical details
Battery
Rated voltage
51.2 V
Energy capacity
5,120 Wh / 5.12 kWh
Capacity
100 Ah
Battery Chemistry
LiFePO4
Lifetime in cycles
> 6,000 cycles at 25°C
Depth of discharge
90%
AC mains connection
Nominal input power
2.5 kW
Output power
0.8 kW standard / 2.5 kW premium
Mains voltage
230 V, 187-253 V
Nominal frequency
50 Hz
Maximum input current
10.9 A
Connection
Euro 16 A, 3-pole domestic plug
Total harmonic distortion
< 3%
Backup exit
Rated output power
2.5 kVA
Peak power
3.5 kVA for 10 seconds
Output voltage
230 V / 50 Hz
Output current
10.9 A
Total harmonic distortion
< 3% linear load
Battery-to-AC efficiency
> 93.5%
System and environment
Protection class
IP65
Cooling
Natural convection, no fan
Operating temperature
-4°F to +131°F
Communication
Wi-Fi and RS-485
Dimensions
620 mm (H) × 480 mm (W) × 160 mm (D)
Weight
63 kg
Certifications
EN50549-1, IEC62040, IEC62477
Frequently asked questions
View the most frequently asked questions about the Marstek Venus-E 3.0 home battery.
Is the Marstek Venus-E 3.0 suitable for my living situation?
In most homes, the Marstek Venus-E 3.0 can be installed without major modifications. The system is suitable for 1-phase and 3-phase connections and takes up relatively little space due to its compact size.
Does the Venus-E 3.0 need to be connected by a technician?
No, this model is designed as a plug-and-play home battery. You plug the battery into a regular wall outlet, connect it to the app, and can then start using it immediately without a separate installer.
Does the Marstek Venus-E 3.0 also work if I do not have solar panels?
Yes, you can also use the battery without solar panels. For example, by storing energy when electricity prices are low and using it later or feeding it back into the grid at more favorable times.
Can the Marstek Venus-E 3.0 be safely installed both indoors and outdoors?
Yes, the casing is IP65 rated and the battery uses lithium iron phosphate technology. This means it has been developed for safe use indoors and in suitable outdoor locations.
Can I expand my home battery later?
Yes, the setup can later be expanded with additional Marstek batteries. Depending on your situation, it may also be possible to combine it with other or earlier Marstek models.
What's in the box
Venus E 3.0 Battery
power cable
User Manual
Specifications and expected savings are based on information from the manufacturer and ideal usage conditions. Actual results may vary due to tariffs, solar yield, household consumption, installation, and local regulations.