The product's shade and actual color may differ from what is shown in the picture, as the images are for illustrative purposes. The product description is general and may not include all the product's features.
EcoFlow STREAM Ultra X Black
1 669,00 €
Monthly payment from 43.88 €
3910469 EFSTREAMULTRAX800W-EU
4895251652933, 0842783176554
Shipping 3-5 b.d.
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2300W Output for Peak Demand Moments
When you connect two units in parallel, you can boost the output to 2300W, allowing you to power heavy-duty appliances 100% with solar energy.
Sunset to Sunrise Power: From 3.84kWh to 23kW
EcoFlow STREAM Ultra X goes beyond industry standards, capturing surplus solar energy during the day to keep you powered through the night — and it scales easily to fit your energy needs.
2 Ways to Scale for Different Needs
Dual Units in Parallel
Connect two STREAM Series units, or pair a STREAM Ultra X with any STREAM Extra Batteries using a Parallel Cable. This setup lets you run heavy-duty appliances up to 2300W, all powered by solar energy.
Capture Every Ray, Maximise Sunlight
Harness the sun's power faster than ever. With four advanced MPPTs and a massive 2000W solar input, the STREAM Battery captures and stores more solar energy, more efficiently.
Don't Let Clouds or Dusk Limit Your Solar Power
The STREAM Battery uses advanced low-light technology to capture energy from even muted skies, delivering up to one extra hour of solar harvest each day compared to industry averages.
Safety You Can Trust
Built into Both Hardware & Software
AI-Driven Energy, Always Optimised
EcoFlow OASIS doesn’t just answer your energy management questions quickly—it also provides smart analysis and tailored optimisation tips to help you get the most from your system.
AI Mode: Smarter Energy for Dynamic Pricing²
EcoFlow’s AI Mode analyses huge amounts of data, including dynamic electricity tariffs, solar forecasts, consumption predictions, and battery status. It can boost your annual savings by up to 29%.
If the system predicts cloudy weather, it will automatically charge your battery during low-rate periods to ensure you have enough power for peak times in the evening—maximising your savings without you lifting a finger.
Total EcoFlow Energy Ecosystem Harmony
Compatible with EcoFlow Smart Meter and Smart Plug
Take full control with EcoFlow Smart Meters or Smart Plugs to ensure no power goes to waste. When you connect an EcoFlow Smart Meter with the STREAM Series, they communicate directly, even offline. This allows the STREAM Series to automatically adjust its output to your home grid in real time, with minimal delay.
Cross-Brand Ecosystem Harmony
EcoFlow OASIS brings together third-party devices that use Tiber, Matter, and Shelly protocols, all on one unified platform. Enjoy a simpler, more intuitive experience without the hassle of switching between multiple platforms and apps.
A Masterpiece in Industrial Design
Crafted from eco-textured, paint-free materials for a reduced carbon footprint. Its scratch-resistant unibody construction delivers lasting durability, while interchangeable front panels – warm Natural Wood, and sleek Matte Black – effortlessly adapt to your home decor.Shipping in September.
| Wi-Fi | Yes |
| Product colour | Black |
| International Protection (IP) code | IP65 |
| Weight | 38.8 kg |
| Width | 420 mm |
| Depth | 294 mm |
| Height | 460 mm |
| Operating temperature (T-T) | -20 - 55 °C |
| Product type | Battery backup inverter |
| Noise level | 30 dB |
| DC input voltage | 60 V |
| Warranty period | 10 year(s) |
| Maximum input power (DC) | 1200 W |
| Number of maximum power point tracking (MPPT) | 4 |