




Marstek Venus E 3.0 - 5.12 kWh
Free shipping to mainland Spain, Portugal and the Balearic Islands. Pre-sale now open, shipping starts on September 15.
The Marstek Venus E 3.0 is a powerful plug & play battery designed to work seamlessly with your solar kit.
With 5.12 kWh of capacity and up to 2,500 W on and off-grid output, it helps you store solar energy, save on electricity bills, and power your home during outages.
-
Plug the battery into any socket
Plug the Venus E 3.0 into a standard outlet. -
Connect the battery to the Marstek app
Download the Marstek app and pair your battery. This gives you full access to energy monitoring and settings. -
Choose how to manage charging
Select your preferred charging mode in the app:- Manual: Set charge and discharge times manually.
- Smart meter (optional): Connect the smart meter to detect solar feed-in and enable automatic charging from your solar kit.
-
Monitor and control via app
Check charge levels, set usage schedules, and switch between solar or grid charging. All from your phone. -
Power your home even during an outage
Run multiple devices at once during an outage. The Venus E 3.0 delivers up to 2,500 W in off-grid mode, enough to keep your fridge, lights, internet, and other essentials running smoothly.
Choose options





The Marstek Venus E 3.0 is a powerful plug & play battery designed to work seamlessly with your solar kit.
With 5.12 kWh of capacity and up to 2,500 W on and off-grid output, it helps you store solar energy, save on electricity bills, and power your home during outages.
-
Plug the battery into any socket
Plug the Venus E 3.0 into a standard outlet. -
Connect the battery to the Marstek app
Download the Marstek app and pair your battery. This gives you full access to energy monitoring and settings. -
Choose how to manage charging
Select your preferred charging mode in the app:- Manual: Set charge and discharge times manually.
- Smart meter (optional): Connect the smart meter to detect solar feed-in and enable automatic charging from your solar kit.
-
Monitor and control via app
Check charge levels, set usage schedules, and switch between solar or grid charging. All from your phone. -
Power your home even during an outage
Run multiple devices at once during an outage. The Venus E 3.0 delivers up to 2,500 W in off-grid mode, enough to keep your fridge, lights, internet, and other essentials running smoothly.

Instant setup – no need to wire your solar kit

Use an existing or new solar kit
Already have a solar kit? Great. If not, pick the one that fits your space: rooftop, balcony, or garden, it doesn’t matter. The battery works without being wired to the panels.
Plug in the battery
Connect the Venus E 3.0 to any standard socket in your home. That’s it. Charging and discharging happen automatically: no tools, no technician.
Track and optimize your energy
Use the app to monitor your solar production, adjust charging times, and maximize your energy savings with just a few taps.

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