EcoFlow STREAM Ultra X AC-coupled balcony power plant storage system - product view
Associated Products
EcoFlow STREAM Ultra X energy storage system with 4 × 500W solar panels, all black EcoFlow STREAM Ultra X energy storage system with 4 × 500W solar panels, all black ab €1.349,00€1.959,00 6mm² extension cable with MC4 connectors – terminals Extension cable H1Z2Z2-K 6mm2 black/red with MC4 plug 1m - 50m ab €3,90€139,00 EcoFlow STREAM Ultra ×2 2000W All-in-One Energy Storage System with 4 × 500W Solar Panels Complete Set EcoFlow STREAM Ultra ×2 2000W All-in-One Energy Storage System with 4 × 500W Solar Panels Complete Set €1.469,00€1.619,00

ECOFLOW · STORAGE

EcoFlow STREAM Ultra X Energy Storage

SKU: 15002

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Storage capacity
3,84 kWh
Purchase-relevant information regarding the offered version
AC power
2.000 W
for household consumers
AC charging power
1.200 W
for reloading from the network
Protection class
IP65K
for protected outdoor use
Autumn Special
€1.019,00 €1.209,00 You save €190,0016 % OFF
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Enjoy maximum security: Up to 30-year warranty on high-performance modules, 10–12-year product warranty on inverters, and 10 years on battery storage systems (with a 15-year lifespan). For other products, please refer to the specific details in the respective product documentation.

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Mini Power · Product Information

Product description

EcoFlow STREAM Ultra X power storage - 3,84 kWh AC-coupled electricity storage for balcony power plants

 

Delivery:

 

1 x EcoFlow STREAM Ultra X energy storage system
1 x 1,5 m AC connection cable for 230V socket
8 x MC4 connection cables (3 m) for solar panel
1 x PV wrench
1 x mounting bracket
1 x locking bracket
1 x safety instructions
1 x Installation instructions
1 x warranty card


The EcoFlow STREAM Ultra X is a powerful, AC-coupled power storage for balcony power plants and small solar systems. With 3,84 kWh storage capacity, four MPPT inputs and a weatherproof IP65 housing It offers a flexible, efficient, and easy-to-install solution for harnessing solar energy. Thanks to Plug-and-play design, intelligent control and optional expansion to up to 23 kWh is the EcoFlow STREAM Ultra X Ideal for households that want to use and store their energy flexibly.

 

Product features:

  • -- Large storage capacity: With 3,84 kWh, the EcoFlow STREAM Ultra X Significantly more capacity than many conventional balcony solutions.
  • -- Expandable from 3,84 kWh to 23 kWh: The storage system can be flexibly scaled and enables demand-based use of stored energy.
  • -- Two scaling options: ZWEI EcoFlow STREAM Ultra X or a combination with up to four additional batteries allows for flexible system expansions to meet different requirements.
  • -- 2300 W power for peak loads: By operating two devices in parallel, the output power can be increased to up to 2300 W – suitable for more powerful applications.
  • -- Four MPPT inputs & 2000 W PV power: Four independent MPPT channels ensure stable energy consumption even under varying light conditions.
  • -- Optimized energy consumption in low light: Advanced technology enables reliable energy generation even with low levels of sunlight.
  • -- Simple plug-and-play installation: Thanks to AC coupling, the EcoFlow STREAM Ultra X Integrate quickly and without complex modifications.
  • -- Intelligent system control: The EcoFlow OASIS system analyzes usage data and automatically adjusts operational processes.
  • -- Automated operating modes: The EcoFlow STREAM Ultra X dynamically adapts charging and discharging processes to different usage situations.

 

The EcoFlow STREAM Ultra X combines a durable LiFePO₄ battery, an integrated hybrid inverter and four MPPT inputs in one compact device. This combination enables efficient use, flexible application and easy integration into existing systems – ideal for retrofits or new installations.

With its high cycle stability, intelligent control via the EcoFlow OASIS app and weatherproof construction, the EcoFlow STREAM Ultra X a reliable and expandable solution for the everyday use and storage of solar energy.


As AC Balcony Power Plant Storage The EcoFlow STREAM Ultra X is integrated via the included AC connection cable and provides 3,84 kWh of storage capacity. A complete system with solar modules is available. EcoFlow STREAM Ultra ×2 2000W complete set.

 

 

Matching accessories and related products


High-performance AC-coupled energy storage system

High-performance AC-coupled energy storage system

The EcoFlow STREAM Ultra X is a modern energy storage system with a 3,84 kWh capacity, four MPPT inputs, and a weatherproof IP65 housing. It was specifically designed for balcony power plants and smaller solar systems to efficiently store solar power and make it available around the clock.

EcoFlow_STREAM_Ultra_X

Plug & Play & quick retrofit

Thanks to AC coupling, the storage system can be integrated without complex modifications. Existing balcony power plants remain untouched; installation is completed in just a few steps and can be expanded at any time with additional STREAM units or AC Pro add-on batteries.

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EcoFlow_STREAM_Ultra_X_1

Ready for any weather

The IP65-certified housing provides reliable protection against dust and rain. This allows the STREAM Ultra X to be operated under a balcony, on a porch roof, or in a sheltered outdoor area – reliably year-round, even with fluctuating temperatures and high humidity.

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Variants

Datasheet & Instructions

Verified product-related documents and instructions.

01 EcoFlow STREAM Ultra X – Installation Instructions (German/English, V1.0) 02 EcoFlow STREAM Ultra X Energy Storage – User Manual 03 EcoFlow STREAM Ultra X Datasheet - German 04 EcoFlow STREAM Ultra X – EU Declaration of Conformity

Technical information

EcoFlow STREAM Ultra X Energy Storage

EcoFlow STREAM Ultra X Energy Storage

Model
EcoFlow STREAM Ultra X
Communication
Wi-Fi, Bluetooth
rated capacity
3.840 Wh
Charging cycles
6.000 to 70% remaining capacity
Mains-connected output
800 W
AC output
1.200 W
Max. PV input power
2.000 W (4 × 500 W)
Protection class
IP65K
MPPT number
4
Dimensions
420 × 294 × 460 mm
AC charging power
1.200 W
Weight
38,8 kg
Operating temperature
-20 to +55 °C
Manufacturer warranty
10 years
37.000+ installed balcony power plants
Since 2022 Experience with solar solutions
30 years Warranty on solar panels
11.000 kWh in battery storage systems

Experience that creates trust

Why Mini Power

Mini Power helps you choose balcony power plants, storage systems, solar panels, and suitable accessories. Product information, scope of delivery, and compatibility are clearly presented so you can select a system that suits your location and energy needs. If you have any questions, you can contact us directly at info@miniminipower.com.

Start your own energy transition with Mini Power.

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Frequently asked questions

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Answers to key purchasing questions regarding compatibility, performance, installation, and scope of delivery.

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What is the EcoFlow STREAM Ultra X?

The EcoFlow STREAM Ultra X is an AC-coupled energy storage system with an integrated inverter, designed for balcony power plants and small solar systems to efficiently store and use solar energy.

Can I install the EcoFlow STREAM Ultra X myself?

Yes. The EcoFlow STREAM Ultra X is designed as a plug-and-play system and can be easily connected without any specialist knowledge.

Is the EcoFlow STREAM Ultra X weatherproof?

Yes. Thanks to its IP65 protection rating, the EcoFlow STREAM Ultra X is protected against dust and rain and is ideal for balconies, terraces or canopies.

How can I expand the storage capacity of the EcoFlow STREAM Ultra X?

You can combine the EcoFlow STREAM Ultra X with a second Ultra X or up to four EcoFlow AC Pro additional batteries to increase the total capacity to up to 23 kWh.

What is the maximum power output of the EcoFlow STREAM Ultra X?

In parallel operation, the EcoFlow STREAM Ultra X achieves an output power of up to 2,300 W, sufficient for high-performance household appliances.

What battery technology does the EcoFlow STREAM Ultra X use?

The EcoFlow STREAM Ultra X uses a long-lasting LiFePO₄ battery that achieves over 6,000 charging cycles at 70% capacity.

Does the EcoFlow STREAM Ultra X also work under cloudy skies?

Yes. The EcoFlow STREAM Ultra X uses advanced low-light technology to generate electricity even in low sunlight conditions.

Can I control the EcoFlow STREAM Ultra X via an app?

Yes. The EcoFlow OASIS app allows you to monitor energy flows in real time, control charging times, and activate AI mode for dynamic electricity tariffs.

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