Description
The Marstek Venus E EnergyCube is a powerful AC-coupled battery with plug & play installation, ideal for upgrading existing solar setups and rental homes – no electrician needed!
Specifications:
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Capacity: 5.12 kWh (expandable to 15.36 kWh)
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Power: 2.5 kW
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Lifespan: 6000 cycles (15 years)
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Backup output: 230V / 2.5 kW
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Waterproof IP65, great for garden, balcony, garage
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Operating Temperature: -20 °C to 55 °C
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Lifespan: 6000 charge cycles / up to 15 years
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Certified LFP battery with intelligent BMS management
- WiFi & Bluetooth App control
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Supports anti-feed-in & 100% self-consumption
Perfect for Every Home
- Compatible with all PV systems (string & micro inverters)
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Ideal for retrofitting existing solar installations with storage
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Supports anti-feed-in mode for 100% self-consumption
Smart & Secure
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Real-time monitoring & control via mobile app (WiFi & Bluetooth)
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Intelligent electricity price optimization (supports 46 countries)
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Backup function during power outages
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IP65 waterproof – suitable for balconies, gardens, garages or living rooms
Why buy Marstek Venus E from Greenlimon.shop?
✅ Official Marstek Partner – 100% original products with warranty
✅ Fast & free shipping within Germany
✅ Direct warehouse pricing – unbeatable value, no marketplace markup
✅ Plug & Play – just plug in and go
✅ Compatible with all inverters
✅ 15-year lifetime
✅ No electrician required
FAQ for Marstek Venus E
1. What is the Marstek Venus E battery storage system?
The Venus E is an AC-coupled, plug-and-play energy storage solution for residential use. It is designed to expand existing PV systems and optimize self-consumption.
2. Can I install the battery myself?
Yes. The device is completely plug & play – just connect it to a standard socket and configure it using the app.
3. Is it compatible with my solar system?
It charges via the AC output of your existing inverter – whether micro or string – not directly from PV panels.
4. How much money can I save with Venus E?
Thanks to smart energy management features like peak shaving and valley filling, you can save several hundred euros per year – up to €4 per day in some cases.
5. What is the lifespan of the storage system?
The battery supports up to 6000 charge cycles, which corresponds to approximately 15 years of usage under normal conditions.
6. Can I connect multiple units?
Yes. You can connect up to 3 units in series, allowing for 7.5 kW output and 15.36 kWh total capacity – even usable as a three-phase solution.
Datasheet_of_VENUS-E2.0-Germany
⚠️ Note:
The Venus E does not connect directly to solar panels. It stores surplus AC power from your existing inverter via a standard power socket.
If you need a storage system with direct solar panel input, please choose the Jupiter C Plus.
