EcoFlow STREAM Ultra
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Energy independence system for the home. Built-in lithium iron phosphate (LiFePO4) battery module 19.2 V (100 Ah). Grid output power 800 W and 2 outlets 1200 W.
Inverter with built-in batteries designed to create an energy independence system for the home. The device has a nominal power of 800 W when feeding electricity to the grid and 1200 W when supplying power to electrical consumers connected to the 2 outlets on the casing. The EcoFlow STREAM Ultra inverter has 4 MPPT controllers, allowing it to work with 4 solar panel arrays (with a total power output of up to 2 kW) that have different orientations in space and efficiently manage them by optimizing power flows.
The direct current of 15 to 60 V produced by the panels is converted by the inverter into 230 V alternating current with a pure sine wave, which is provided to electrical consumers or used to charge the batteries. The built-in battery block consists of lithium iron phosphate (LiFePO4) modules with a working voltage of 19.2 V and a total capacity of 100 Ah (1920 Wh). Switching from grid operation to fully autonomous power takes place in 4 ms — undetectable to users. You can configure the inverter and monitor its operation by connecting to the device via Bluetooth or Wi-Fi. Key benefits include seamless switching between power sources, compatibility with multiple solar arrays, and versatile connectivity options.
E-Catalog UK editor, Inverters & Controllers
Viktor Skrypai, edited 17.06.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog EcoFlow 2026 - new arrivals, bestsellers, and the most relevant models EcoFlow.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog EcoFlow 2026 - new arrivals, bestsellers, and the most relevant models EcoFlow.
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EcoFlow STREAM Ultra/Pro/Max EFSTREAMMAX800W-UK | £699.00 |  | |||
EcoFlow STREAM Ultra/Pro (Refurbished) EFSTREAMMAX800W-UK-AP | £749.00 | | |||
Ecoflow 2 In 1 Stream Ultra 800w Portable Power Station | £760.49 |  | |||
EcoFlow STREAM Ultra/Pro/Max EFSTREAMPRO800W-UK | £799.00 | | |||
EcoFlow STREAM Ultra/Pro (Refurbished) EFSTREAMPRO800W-UK-AP | £799.00 | | |||
4 more offer(s)
AccessoriesAll accessories for EcoFlow STREAM Ultra →
Price, capacity, capabilities (future) Low IQ people  Måķşîm: use EcoFlow STREAM Pro less than month |
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EcoFlow STREAM Ultra configurations
| Price for EcoFlow STREAM Ultra | ||||
|---|---|---|---|---|
 | EcoFlow STREAM Pro | from £877.99 | 1 offer | |
 | EcoFlow STREAM Ultra | from £699.00 | 9 offers | |
Video reviews
The “Unbelievable” EcoFlow STREAM Ultra/Pro/Max Empower Your Home with Solar Energy
21 July 2025155 491 view
DIY Solar Battery System - Ecoflow STREAM Ultra & AC PRO Hands-On #ad
5 August 202565 966 view
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Dear future buyers! Go ahead and buy it - you won't regret it!
This is the best you can get right now! The capacity is impressive - enough for a computer + router + boiler for 8 hours without issues, and there will still be some left over.
The station is new, just released - all settings are done through an app, where you'll need to select a region to unlock the station's maximum capabilities.
What I'm trying to say is that it can handle up to 1200W - kettle, microwave, washing machine, toaster, stove - forget about those, but let’s look at it from another angle:
1. Other stations with a similar capacity handle 2000W or 3000W - question is, are you sure it won't die in 1-2 years? Huh? Those stations are smaller than this one, I think they'll die! I’m 100% confident in this one. You can load it 24/7!
2. Not enough W? Have you seen the price with such battery capacity, prices for other stations start at about 540 EUR. Not enough? Then don't be stingy, buy another station like this or the ULTRA, connect them and you'll have 1200W + 1200W(pro) = 2400W, better now? And isn’t the 4000 battery better too? Huh?
Yes, when the power goes out, you need to wait 2 seconds for it to switch - so what? So what? Are you really that delicate or what? What do those 2 seconds mean? Especially for that price. And if it means something to you - then pay more! About 540 EUR.
In a blackout, you connect solar panels - no blackout anymore)
Bought at techon.com.ua, communication with the seller - top-notch, they’ll explain everything you need to know. I'm satisfied with everything.