MARSTEK VENUS-A 4.24kWh AC Home Battery 1.2kW Backup
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The Marstek VENUS A + 1 additional battery module offers 4.24 kWh of modular energy storage in an AC-coupled system with an integrated inverter — ideal for expanding existing PV installations in the Netherlands, Germany, and the EU. With 4 MPPTs for up to 2.4 kWp solar panels, 1.2 kW of bidirectional AC power, and 1.2 kW of EPS backup, the VENUS A makes your home energy autonomous and ready for dynamic tariffs and zero-injection control.
- Expandable capacity: 4.24 kWh (2 modules) for extra autonomy.
- Plug & Play: Works with any PV system without a new inverter.
- Integrated solar energy: 4 MPPTs up to 2.4 kWp PV input.
- Fast backup: EPS switches over within 15ms when power fails.
- Smart energy management: AI-driven with zero injection via smart meter.
- Safe and durable: LiFePO4 > 6000 cycles, IP65, suitable for indoor and outdoor use.
Why choose the Marstek VENUS A with 1 extra battery?
This configuration offers an ideal entry point for households looking to increase their self-consumption. Thanks to its compact and modular design, the system can be easily expanded as your energy needs grow. The AC-coupled technology ensures seamless integration with your current solar panels, while the intelligent software optimizes your energy consumption based on current market prices.
- Without smart meter – only when expanding with an existing meter.
- With CT002 – for meters without a P1 port or for Belgium (Synergrid). View technical information
- With CT003 – for smart meters with P1 port (SMR 5.0+). View technical information
| Feature | Value |
|---|---|
| Brand & Model | Marstek VENUS A (4.24 kWh Set) |
| Total capacity | 4.24 kWh (2 × 2.12 kWh) |
| Inverter | 1.2 kVA bidirectional |
| Max. PV input | 2.4 kW (4 × MPPT) |
| Dimensions (L×W×H) | 400 × 285 × 276 mm |
| Weight | ± 41 kg |
| Protection / Temp. | IP65 | −20 °C to 60 °C |
View all options in our Marstek Collection.
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