EcoFlow Stream Series Storage – Modular LiFePO4 Energy Storage for Solar and Balcony Power Plants
EcoFlow Stream Series Storage – Modular LiFePO4 Energy Storage for Solar and Balcony Power Plants - Ultra X is backordered and will ship as soon as it is back in stock.
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EcoFlow Stream Series Storage: The ultimate energy transition for your home
The EcoFlow Stream Series storage units set new standards for discerning homeowners and operators of state-of-the-art solar systems who strive for maximum independence from the public power grid. With four customized model versions, this series offers the perfect answer to every individual energy need, buffering valuable solar power with high efficiency. Thanks to extremely durable cells with over 6,000 cycles, an intelligent integrated self-heating function for winter, and robust IP65 certification, you are securing a future-proof, whisper-quiet energy system for the entire year.
Highlights of the STREAM AC Pro & STREAM Pro models
- Optimized AC base supply (AC Pro): Provides a reliable capacity of 1.92 kWh paired with an AC output of 1,200 W for stable protection of your daily household appliances.
- Triple MPPT power (Pro): The Pro version features 3 integrated MPPT trackers that bundle a massive PV input power of up to 1,500 W (3x 500 W) for maximum solar yields.
- Efficient grid feed-in: Both models support a grid-tied AC output of the standard 800 W for ideal buffering and smart distribution to the home network.
- Whisper-quiet operation: With an operating volume of under 30 dB, the storage units operate almost silently and are perfectly suited for installations near living areas.
- Comprehensive all-weather protection: The IP65 protection class guarantees absolute dust and water jet resistance at operating temperatures ranging from a freezing -20 °C to a hot 55 °C.
Highlights of the STREAM Ultra & Ultra X
- Maximum quad MPPT power (Ultra & Ultra X): Equipped with 4 independent MPPT trackers for a massive PV input power of up to 2,000 W (4x 500 W).
- Double XL capacity (Ultra X): The top-of-the-range Ultra X model boasts a massive battery capacity of 3.84 kWh to cover even larger loads over long periods.
- Intelligent battery self-heating: Activates automatically during low-temperature charging (≤5 °C) to charge the battery cells in a material-friendly manner, even in the depths of winter.
- Future-proof investment: Guarantees an unbeatable lifespan of 6,000 cycles (up to 70% residual capacity for the Ultra X) as well as a superior 10-year manufacturer's warranty.
- Smart connectivity: Enables seamless control and real-time monitoring of all performance values conveniently via app using Wi-Fi and Bluetooth.
Technical specifications: STREAM AC Pro & STREAM Pro
| Property | Details - STREAM AC Pro | Details - STREAM Pro |
|---|---|---|
| Capacity / Life cycles | 1.92 kWh / 6,000 cycles | 1.92 kWh / 6,000 cycles |
| MPPT / PV input power | - | 3 / 1,500 W (500 W × 3) |
| AC Output / AC Grid-tied | 1,200 W / 800 W | 1,200 W / 800 W |
| Charging input / Device power max. | 1,050 W (10 A) / 2,300 W (10 A) | 1,050 W (10 A) / 2,300 W (10 A) |
| Protection class / Operating noise | IP65 / <30 dB | IP65 / <30 dB |
| Dimensions / Net weight | 255 × 254 × 458 mm / 21.5 kg | 284 × 255 × 458 mm / 22.8 kg |
| Warranty | 10 years | 10 years |
Technical specifications: STREAM Ultra & STREAM Ultra X
| Property | Details - STREAM Ultra | Details - STREAM Ultra X |
|---|---|---|
| Capacity / Life cycles | 1.92 kWh / 6,000 cycles | 3.84 kWh / 6,000 cycles (up to 70% capacity) |
| MPPT / PV input power | 4 / 2,000 W (500 W × 4) | 4 / 2,000 W (500 W × 4) | Max. 60 V DC |
| AC Output / AC Grid-tied | 1,200 W / 800 W | 1,200 W / 800 W |
| Charging input / Device power max. | 1,050 W (10 A) / 2,300 W (10 A) | 1,200 W (10 A) / 2,300 W (10 A) |
| Protection class / Self-heating | IP65 / Activation at ≤5 °C | IP65 / Activation at ≤5 °C |
| Dimensions / Net weight | 284 × 255 × 458 mm / 23.1 kg | 420 × 294 × 460 mm / 38.8 kg |
| Warranty | 10 years | 10 years |
Advantage for professionals: The EcoFlow Stream Series takes home storage systems to a new level of flexibility and technical sophistication. Thanks to the integration of up to 4 independent MPPT trackers and a massive PV input power of up to 2,000 W, installers and specialist companies can utilize the full potential of modern high-performance solar modules without additional inverter components. With an uncompromising 10-year warranty, whisper-quiet operation below 30 dB, and intelligent self-heating for year-round outdoor use, you minimize service requirements and offer your customers a durable, highly efficient premium solution for maximum self-consumption optimization.
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Frequently Asked Questions
What are the advantages of using a photovoltaic system from Terra Energy?
What are the advantages of using a photovoltaic system from Terra Energy?
With a PV solution, companies can reduce their energy costs, cut CO₂ emissions, and strengthen their corporate sustainability. Our partner solutions ensure performance, efficiency, and future-proofing in B2B applications.
What happens after I purchase a system? Is there support or maintenance?
What happens after I purchase a system? Is there support or maintenance?
Our service doesn't end with your purchase. We support you from delivery and commissioning to the long-term optimization of your system. Our technical support team is available to answer questions and can arrange specialized installation or maintenance partners if needed.
What shipping and delivery options do you offer?
What shipping and delivery options do you offer?
Within Germany, we generally offer free shipping for photovoltaic systems. For international deliveries or bulky components such as modules or mounting systems, we will individually prepare a shipping solution for you (e.g., pallet delivery, truck freight).
What payment methods are available to business customers?
What payment methods are available to business customers?
We offer various payment options for business customers, including prepayment and purchase on account. Simply contact our sales department.
How does Terra Energy support me in selecting and planning my PV solution?
How does Terra Energy support me in selecting and planning my PV solution?
We offer expert advice and customized planning, taking into account location, consumption, subsidies, and technology. Together, we will develop your optimal solution, from the initial concept to commissioning.
What brands and technologies do you carry?
What brands and technologies do you carry?
We work with leading manufacturers and brands in the photovoltaic and energy storage segments to offer you state-of-the-art technology with high quality and performance. Please feel free to ask us for specific manufacturer and product details for your project.
