Balcony power plant storage comparison 2025: Marstek Venus E, Zendure Sola

Balcony power plant storage comparison 2025: Marstek Venus E, Zendure SolarFlow 2400 AC & EcoFlow STREAM Ultra

11. Jun 2025

0 comments

Coffee in the morning, Netflix in the evening – and the electricity comes from your balcony?

Imagine: your PV system on the Balcony produces electricity during the day – and while you sleep, your storage uses the cheapest Electricity tariffs of the night. In the morning you start the day full of energy: coffee machine, router, lights – everything works thanks to your intelligently controlled Balcony power plant storage.

Welcome to the next generation: Zendure SolarFlow 2400 AC, the smart storage with AI optimization for maximum independence and efficiency.

But what makes SolarFlow so special – and how does it compare to other solutions?

🔗 Compare Zendure SolarFlow in detail

Why Zendure SolarFlow 2400 AC?

✅ Maximum flexibility: Expandable from 2,88 kWh to 17,28 kWh – for small apartments to large households.
✅ High performance: 2400 W continuous power, up to 3600 W peak – perfect for off-grid applications.
✅ AI optimization with ZENKI: Analyzes electricity prices, weather and consumption, automatically adjusts charging times.
✅ Emergency power in 15 ms: Virtually uninterrupted supply in the event of a power failure – for maximum security.
✅ Save up to 42% on electricity costs: Ideal for dynamic tariffs such as Tibber or aWATTar.

In short: Zendure SolarFlow is not just a storage device – it is an intelligent energy management system.

Marstek Venus E 5,12 kWh balcony power plant storage with plug-and-play emergency power function

What do the others offer?

Of course, there are other exciting products – but they play in a different league:

🔹 Marstek Venus E
5,12 kWh capacity, 2500 W AC power, plug & play backup power, app control. Good for dynamic tariffs, but without AI optimization.

🔹 EcoFlow STREAM Ultra
Expandable up to 11,52 kWh, 2300 W AC power, software-supported backup power system, smart home focus. Ideal for tech enthusiasts investing in a connected home.

Zendure SolarFlow 2400 AC storage solution with ZENKI energy management and 17,28 kWh expandability

Smart meter-compatible storage with app control & consumption monitoring

Venus E can be conveniently controlled via the app and is compatible with Smart meters such as CT002, CT003 and Shelly 3EM – ideal for targeted consumption optimization.
Zendure SolarFlow analyzed with the ZENKI Energy Manager continuously monitors power consumption, weather data and electricity prices – and automatically adjusts charging times.
STREAM Ultra also offers app control and scheduling, with a focus on smart home integration.

Technical comparison: Balcony power plant storage 2025 at a glance

Features	Marstek Venus E	Zendure SolarFlow	EcoFlow STREAM Ultra
capacity	5,12 kWh	2,88–17,28 kWh	1,92–11,52 kWh
Output power (AC)	2500 W	2400 W (peak 3600 W)	2300 W
emergency power function	✅Plug & Play	✅ with 15 ms switching	✅ software-supported
Smart meter compatibility	✅ CT002, Shelly etc.	✅ with ZENKI AI	✅
Control & Monitoring	✅ App + schedules	✅ App + AI optimization	✅ App + PV forecast
expandability	up to 20,48 kWh	up to 17,28 kWh	up to 11,52 kWh

Find the right storage for your balcony power plant now

Conclusion: Our clear recommendation

If you are after maximum cost savings, flexibility and future-proof technology there is a clear choice:

???? Zendure SolarFlow 2400 AC. ????

The combination of powerful hardware, smart software and easy integration makes it a favorite for anyone who wants to take their balcony power plant to the next level.

Other models such as Venus E or STREAM Ultra offer solid alternatives – but Zendure sets the new standard.

🎉 Get 150 € off the VENUS E now – simply enter the code VENUSJUNI Enter at checkout!

🔗 Discover the Marstek Venus E now
🔗 Compare Zendure SolarFlow in detail