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Marstek

Marstek Venus E 4.0

AC-coupled 5 kWh home battery with 3 kW charging and discharging power, suitable for wall or floor mounting.

  • 5 kWh storage capacity with 3 kW bidirectional power
  • 3 kW backup output with a transfer time under 10 ms
  • Expandable with SmartBox up to 15 kWh and 9 kW

Product images

Image: Marstek

Specifications

Capacity (kWh)
5 kWh (5,024 Wh)
Expandable
Yes, with SmartBox up to 15 kWh and 9 kW
Charge/discharge power (kW)
3 kW bidirectional
Connection
AC-coupled
Back-up possible
Yes, 3 kW continuous; transfer time under 10 ms
Energy management / EMS
Marstek app and smart operating modes; we match the exact setup to the installation
Dynamic contract
Depends on the selected energy control and tariff
Installation
Wall or floor mounted
Warranty
On request

We only take specifications from verified manufacturer documentation. Where this is not yet available, it says “On request”.

Does this product suit your situation?

We choose equipment based on your installation, your usage and your wishes — not the other way round. The advice also covers the electrical work: consumer unit, protection, cable routing, mounting, configuration and commissioning.

Advice on the Marstek Venus E 4.0

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