Catalog / STREAM series (plug-in solar)
EcoFlow STREAM Ultra X
The scalable balcony solar kit for increased energy independence.
The EcoFlow STREAM Ultra X is a solar kit designed for balconies and plug-in installations, offering a storage capacity from 3.84 kWh expandable up to 23 kWh. With a 2300 W AC output and a 2000 W solar input, it can power high-demand appliances and maximize solar energy production thanks to its 4 MPPTs and low-light performance. Its simplified installation and compatibility with smart home protocols make it a versatile solution for reducing electricity bills.
1 199,00 €
EcoFlow.fr catalog price (indicative — Amazon price may differ)
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Best for
Renters and homeowners looking for an easy-to-install solar solution for a balcony or plug-in setup, with scalable capacity to meet their growing energy needs.
The EcoFlow STREAM Ultra X positions itself as an innovative solar solution for those who cannot install panels on a roof. Its main advantage lies in its ability to be installed on a balcony or via a dedicated wall outlet, thus offering an accessible alternative to reduce reliance on grid electricity. The base capacity of 3.84 kWh is already substantial for daily use, but the possibility of expanding it up to 23 kWh makes it a scalable long-term investment.
Thanks to its 2300 W output power, the STREAM Ultra X can power a wide range of appliances, including those generally considered energy-intensive (refrigerator, washing machine, even air conditioning depending on duration). The optimization of solar capture, with its 4 MPPT inputs and its ability to function even in low light conditions, maximizes energy production, thereby reducing grid dependency and electricity bills.
The 'plug-in' aspect and the electrician-free installation are strong arguments for democratizing solar energy. However, it is crucial to verify local regulations regarding this type of installation and to ensure that the home's electrical infrastructure is adequate to support the system's load and connection.
Compatibility with smart home protocols like Matter opens up interesting possibilities for intelligent energy management, allowing the system to be integrated into an existing smart home ecosystem. The announced lifespan of 15 years suggests a robust design, but it is always advisable to inquire about specific warranties and maintenance conditions.
Pros
- Scalable storage capacity from 3.84 kWh to 23 kWh.
- High 2300 W AC output for power-hungry appliances.
- Optimized solar input with 4 MPPTs and low-light performance.
- Simplified installation requiring no electrician.
- Compatibility with smart home protocols (Tiber, Matter, Shelly).
Limits
- Potentially high initial cost, even for the base configuration.
- Scalability requires expensive additional modules.
- Actual performance will depend on sunlight and installation.
- While simplified, some understanding of electrical basics is recommended for optimal setup.