Marstek Venus-E 3.0 AC coupled energy storage system
- Storage capacity: 5,12 kWh – ideal for small to medium-sized PV systems and balcony power plants
- Integrated bidirectional inverter: Up to 2.500 W AC output power (limited to 800 W by default)
- Can be used flexibly: Compatible with all PV systems and inverters without manufacturer-specific restrictions
- Emergency power function: Delivers up to 2.500 W in backup mode during power outages
- Modular system: Up to 4 storage units can be integrated into a single-phase system to expand capacity
- Intelligent energy management: Monitoring and control via app with support for dynamic electricity tariffs in up to 46 countries
- Anti-feed function: Prevents excess electricity from being fed into the public grid through intelligent control (smart meter required)
- Robust design: Dust and splash-proof according to IP65 – suitable for indoor and protected outdoor use
- Durable technology: LiFePO₄ battery with up to 6.000 charging cycles and a 10-year manufacturer's warranty
- connectivity: WLAN and RS485 interfaces for easy integration and system monitoring
- Measures and weight: 560 × 200 × 690 mm, approx. 65 kg
The Marstek Venus-E 3.0 is the perfect solution for retrofitting and optimizing your energy management with an AC-coupled solar storage system. Utilize your surplus solar power efficiently, increase self-consumption, and ensure a reliable emergency power supply at all times.
This product contains batteries/rechargeable batteries. » More information about batteries + Notes

Matthias –
Amazing – perfect UPS for my devices.
I bought three of them right away and got a 15kWh storage unit for an incredibly good price.
Unverified purchase. More information
Norbert Popovic –
The Marstek Venus 3.0 storage system was set up and connected in 5 minutes and works perfectly! Ordering from pv-24.at was quick and easy, delivery was fast, everything was great, I would gladly order again.
Verified purchase. More information
mikelone –
Everything was great, would gladly come again!!!
Very fast shipping!! Everything's great.
Excellent communication!!
Verified purchase. More information
Traunwieser –
Everything went perfectly, it arrived well packaged, nothing damaged, great communication!! I ordered two and will order another one soon.
Verified purchase. More information