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MARSTEK Venus E V3 5kWh PLUG & PLAY

MARSTEK Venus E V3 5kWh PLUG & PLAY

Regular price €1.215,50 EUR
Regular price Sale price €1.215,50 EUR
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  • 100% certified
  • Ready for Installation
  • Fast delivery within NL & BE

The Marstek Venus E is a so-called “plug-and-play” AC-coupled home battery (energy storage system) designed to work in conjunction with existing PV (solar panel) installations without the need for a hybrid inverter.
The Gen 3.0 version is a more recent version with improvements in design, communication capabilities and performance.

Key Features & Specifications

Here are the notable technical features and uses:

Characteristic Value / comment
Capacity 5.12 kWh (usable energy storage)
Output power (on-grid & backup) Up to 2.5 kW AC output (on-grid) and also for backup power supply
Input for charging Up to 2.5 kW AC charging power
Cycle life > 6000 full cycle charges
Efficiency The battery ↔ AC conversion is > 93.5% (according to Marstek)
Protection / environment IP65 housing (dust and splash proof)
Temperature range Operation possible over a wide temperature range, e.g. down to –20 °C
Communication & integration WiFi, Bluetooth, RS485, Ethernet (LAN port added)
Backup function / switchover 15 ms or equivalent fast switch to backup mode in case of power failure
Extensibility / scalability Multiple units in parallel possible (e.g. up to 3 units on single phase)
Warranty 10 year factory warranty is often mentioned


  • Energy buffer for self-consumption
    You can store excess solar energy in the battery and use it later, making you less dependent on the grid and allowing you to better manage your own consumption.

  • Backup in case of power failure
    The Venus E can continue to power critical loads if the grid fails (e.g. lighting, refrigerators, communication devices).

  • Smart control & rates
    Thanks to AI-based optimization modes, coupling with dynamic electricity tariffs, and real-time metering, the battery can attempt to charge/discharge at the optimal time.

  • No inverter adjustment required
    Because the system is AC coupled, you can add it to existing installations without replacing your existing PV inverter.

  • Flexibility & modularity
    You can combine multiple units to achieve greater capacity or power if you require additional storage or backup capacity.

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