Description

EcoFlow STREAM Ultra – 800W Microinverter with 1.92 kWh Battery & 4 MPPT

The EcoFlow STREAM Ultra is a next-generation plug-and-play solar battery system combining a powerful microinverter, a 1.92 kWh LFP battery, and intelligent 4-channel MPPT solar input. Designed for seamless home integration, it optimises energy storage, solar usage, and grid feedback — all while being easy to install without professional wiring. With a slim, compact design and advanced app control, the STREAM Ultra is ideal for energy-conscious households looking for flexibility, performance, and smart automation.

Key Features

• Built-in 800W Grid-Tied Microinverter: Export surplus energy directly to the grid via a standard AC socket.

• 1.92 kWh Lithium Iron Phosphate Battery: Safe, long-life energy storage for use day or night.

• 4 MPPT Channels: Maximum 2,000 W PV input (500 W per channel) for high-efficiency solar harvesting.

• Smart Control: Full system management via the EcoFlow app over Wi-Fi and Bluetooth.

• Battery Self-Heating: Ensures reliable charging and discharging even in cold conditions (activates below 5°C).

• Plug-and-Play DIY Design: No electrician required — simply mount, connect, and plug into an outlet.

• Slash up to £963 off your electricity bills: Intelligent usage and solar storage to reduce grid dependency.

• Fully compatible with EcoFlow STREAM Pro and AC Pro: Seamless expansion and modular scalability.

• AI‑Driven Monitoring and Control: Maximise efficiency and savings with EcoFlow’s advanced app intelligence.

• Seamlessly integrates with over 99% of solar panels on the market: Broad compatibility for flexible installations.

Specifications

• Battery Capacity: 1.92 kWh

• Battery Chemistry: Lithium Iron Phosphate (LFP)

• Cycle Life: 6,000 cycles to 70% capacity

• AC Charging Input: 1,050 W

• AC Output (Max): 1,200 W

• AC Output (Grid-Tied): 800 W

• Max Device Power Supported: 2,300 W

• MPPT Channels: 4

• Max PV Input Power: 2,000 W (4 × 500 W)

• Connectivity: Wi-Fi / Bluetooth

• Battery Self-Heating: Activates ≤5°C

• Ingress Protection: IP65

• Operating Temperature: –20°C to 55°C

• Noise Level: <30 dB

• Dimensions: 284 × 255 × 458 mm

• Weight: 23.1 kg

• Warranty: 10 Years

• SKU: EFSTREAMULTRA800W-UK

Applications

• Grid-tied home solar systems

• Plug-in balcony solar setups

• DIY residential solar + storage kits

• Off-grid energy usage with grid feedback

• Backup power and time-of-use optimisation

Why Buy This Product

• High Energy Efficiency: Supports up to 2,000 W of solar input via 4 MPPTs, maximising daily solar harvest.

• Sleek, Quiet Design: Operates below 30 dB with compact, IP65-rated housing for indoor or outdoor use.

• Durable & Safe: 6,000-cycle LFP battery with full electrical protections and self-heating for winter use.

• Smart Monitoring: Control charging, discharging, and grid export remotely with EcoFlow's intuitive app.

• Long-Term Value: 10-year warranty ensures reliable performance and peace of mind for a decade or more.

What’s Included in the Box

• 1 × EcoFlow STREAM Ultra Unit (Microinverter + 1.92 kWh Battery)

• 1 × STREAM Solar Panel Extension Cable (2.95 m)

• 1 × STREAM DIY Cable (1.5 m)

• 1 × PV Wrench

• 1 × Set of Mounting Brackets

• 1 × Set of Locking Brackets

• 1 × Safety Instructions

• 1 × Installation Guide

• 1 × Warranty Card

2300W AC output

Run two appliances independently via dual AC outlets, with 1,200W output per battery and auto-boost up to 2,300W. Pair with another STREAM Ultra or STREAM AC Pro for full 2,300W AC output. The built-in battery ensures off-grid use and backup during outages.

 

One Step Closer To 0 Bills

Build Your Home Solar Plant Around EcoFlow STREAM Ultra

Big or Small, Power It All

Go “Bills to 0” with 3 smart setups. From lights and routers to fridges and kettles, the EcoFlow STREAM Series powers appliance up to 2,300W — all powered by the sun.

 

Parallel Mode Up to 2,300W Solar Coverage

Device Setup: 1 × STREAM Ultra + 1 × STREAM Ultra or STREAM AC Pro
Connect two units with a parallel cable to power high-wattage appliances like ovens and dishwashers — all powered by solar.
Output:1,200W (main) + 1,100W (secondary) = 2,300W total output

More Savings, Fewer Calculations—Through Software⁴

Time-of-Use (TOU) Dynamic Electricity Pricing

Charge during low-rate periods, supply energy when prices peak.
The AI-powered TOU model updates every 60 minutes, delivering the most cost-effective strategy based on real-time tariff data from Nord Pool, Epex Spot, Rabot Energy, Octopus, and others.

High Accuracy Solar Forecasts, Maximize Your Savings All Year Round⁶

Reliable Safety, Inside and Out

Engineered into both the hardware and software for complete peace of mind.

Disclaimer:

All product information provided by Solareon UK is intended for general guidance only and may be subject to change or error. Solareon UK does not accept liability for any inaccuracies or omissions in the product specifications displayed. For accurate and detailed technical information, please refer to the manufacturer’s official datasheet available in the 'Downloads' section. We strongly advise confirming all critical details directly with the manufacturer prior to making purchasing or installation decisions.