MARSTEK VENUS E 4.0- Plug and Play Home Battery
Coming soon!
The Marstek Venus E 4.0 5.12 kWh is a refined plug-and-play home battery designed for smarter, more efficient energy storage. With 5.12kWh capacity, 3kW bidirectional power, intelligent AI energy optimisation, and fast backup switching, it helps maximise solar self-consumption, reduce grid reliance, and keep essential appliances powered when needed. Built with long-life LiFePO₄ battery technology and over 10,000 cycles, it is a reliable, future-ready solution for modern home energy management
✓ 5.12kWh plug-and-play home battery storage
✓ 3kW bidirectional power for efficient charging and discharging
✓ Fast backup power with <10ms automatic switchover
✓ AI-powered optimisation for smarter energy savings
✓ Quick and simple plug-and-play installation
✓ AC-coupled design for easy retrofit integration
✓ Expandable with SmartBox for larger home energy setups
✓ Safe LiFePO₄ battery technology with 10,000+ cycles
✓ Built-in Smart BMS with multi-layer protection
✓ Designed to maximise solar self-consumption and reduce grid reliance
- Fully recessed glass front panel helps reduce the risk of damage during transport and installation
- Integrated RS-485 port and UTP connection provide stable wired communication with smart home and energy management systems
- Supplied with a wall-mount bracket for a clean and space-saving installation
- Compatible with previous Marstek V1 and V2 batteries, allowing seamless integration and combined app control
- Redesigned housing with a sleek, modern, and durable construction
- Compact and efficient design allows easy installation in smaller utility rooms and storage areas
Weight: 63kg
Dimensions: 620mm (h) x 480mm (w) x 160mm (d)
- Nominal voltage: 51.2 V
- Capacity: 2.12 kWh per module (expandable to 12.72 kWh)
- Inverter capacity: 1.5 kW
- Output power : 1500 W bidirectional AC
- Backup output: 1500W continuous
- PV input: 4 × MPPT, max. 1400 W, 16 – 60 V, 20 A per tracker
- EPS switching time: < 15 ms
- Battery: LiFePO₄, ≥ 6000 cycles at 90% DoD
- Protection class: IP65
- Communication: Bluetooth, WiFi, Ethernet
- Temperature range: -20 °C – +60 °C
- Regular price
- £1,499.99
- Sale price
- £1,499.99
- Regular price
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Daniel Hartley
Installing Process
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Step 1: Download the app & create an account
Download the Marstek app from the App Store or Google Play. Create an account and log in. This way, you can easily connect everything later and see what your battery is doing.
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Step 2: Monitor performance by installing a CT002 Meter
This allows the battery to measure your consumption and feed-in, essential for smart control. Note: Electrician may be required to install to consumer unit. Videos available
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Step 3: Connect the home battery
Connect the battery to the mains and briefly press the on/off button. Then connect the battery via the app and set your preferred mode.





