Scale Up Storage to Enhance Output
Run 99% of Daily Essentials with Solar
The EcoFlow STREAM Series powers your home with solar energy, and each unit features dual AC outlets to run two appliances simultaneously. Pair with another STREAM Ultra or STREAM AC Pro to boost output up to 2300W — enough to power a fridge, coffee machine, Wi-Fi router, and more. Scale up to six units to reach 7200W, powering everything from daily essentials to high-wattage devices — all with solar².
Scale Up Storage to Enhance Output
Run 99% of Daily Essentials with Solar
The EcoFlow STREAM Series powers your home with solar energy, and each unit features dual AC outlets to run two appliances simultaneously. Pair with another STREAM Ultra or STREAM AC Pro to boost output up to 2300W — enough to power a fridge, coffee machine, Wi-Fi router, and more. Scale up to six units to reach 7200W, powering everything from daily essentials to high-wattage devices — all with solar².
Scale Up Storage to Enhance Output
Run 99% of Daily Essentials with Solar
The EcoFlow STREAM Series powers your home with solar energy, and each unit features dual AC outlets to run two appliances simultaneously. Pair with another STREAM Ultra or STREAM AC Pro to boost output up to 2300W — enough to power a fridge, coffee machine, Wi-Fi router, and more. Scale up to six units to reach 7200W, powering everything from daily essentials to high-wattage devices — all with solar².
Setting Up a Solar Network is Easy
Just Plug in Anywhere and Start Saving
The system scales effortlessly from 1.92kWh to 21kWh without cluttering your balcony³. Set up the storage unit separately, place the EcoFlow STREAM Ultra on your balcony or lawn to capture sunlight, and plug the EcoFlow STREAM AC Pro into your living room, kitchen, or bedroom to store excess energy. All units automatically form a smart solar network, evenly distributing surplus solar energy with zero waste.
AI-Powered Solar Network
100% Solar Utilisation to Cut Energy Bills
Once connected to your home grid, EcoFlow STREAM Ultra and AC Pro units automatically create an AI-powered solar network, seamlessly supplying power across your home. If the AC Pro in your laundry room needs extra energy, the one in your living room instantly provides it. Devices coordinate in real time to maximise solar energy efficiency. With an EcoFlow Smart Meter for real-time monitoring, the system achieves power allocation accuracy within 1W.
Uninterrupted Solar Supply
The AI-powered system monitors data across all devices in real time to ensure each unit has sufficient solar energy to power appliances. If the EcoFlow STREAM AC Pro in the kitchen runs low, AI-driven load balancing transfers energy from nearby units, keeping your refrigerator powered by solar without interruption.
SmartLoad Guardian
Built-In Safety Tech
The EcoFlow STREAM Series' AI-driven system monitors loads in real time, dynamically adjusting power flow to keep devices operating safely within certified limits. It features anti-backfeed protection to block reverse current and stabilise home grid operation. An intelligent Battery Management System provides 24/7 precision monitoring and AI-powered predictive analysis to optimise charge/discharge cycles and maintain cell health. For safety, it uses a flame-retardant casing with thermal aerogel insulation to block high heat and flames. When disconnected from the grid, the battery drops to a safe voltage within 0.7 seconds. Multiple safeguards — including overload, overtemperature protection, and modular blast-proof valves — ensure continuous power security.
Seamless Smart Home Integration
Easily connect with a range of third-party smart meters and digital energy platforms for real-time monitoring and full control of your home’s energy usage via the EcoFlow app.
Specs - STREAM Ultra
Capacity
1.92kWh
Cycle Life
6000 cycles to 70% capacity
AC Charging Input
1050W
AC Output
1200W
MPPT
4
PV Input Power
2000W (500W × 4)
AC Output-Grid Tied
800W
AC Charging Input
10A
Max Device Power Supported
2300W (10A)
Operating Temperature
-20~55°C
Battery Self-Heating
Low-Temperature Charging Activation (≤5°C)
Connection
Wi-Fi/Bluetooth
Ingress Protection Rating
IP65
Net Weight
23.1kg
Dimensions
284mm x 255mm x 458mm
Acoustic Noise
＜30 dB
Warranty
10-Year
Specs - STREAM Pro
Capacity
1.92kWh
Cycle Life
6000 cycles to 70% capacity
AC Charging Input
1050W
AC Output
1200W
MPPT
3
PV Input Power
1500W (500W × 3)
AC Output-Grid Tied
800W
AC Charging Input
10A
Max Device Power Supported
2300W (10A)
Operating Temperature
-20~55°C
Battery Self-Heating
Low-Temperature Charging Activation (≤5°C)
Connection
Wi-Fi/Bluetooth
Ingress Protection Rating
IP65
Net Weight
23.1kg
Dimensions
284mm x 255mm x 458mm
Acoustic Noise
＜30 dB
Warranty
10-Year
Specs - STREAM AC Pro
Capacity
1.92kWh
Cycle Life
6000 cycles to 70% capacity
AC Charging Input
1050W
AC Output
1200W
AC Output-Grid Tied
800W
AC Charging Input
10A
Max Device Power Supported
2300W (10A)
Operating Temperature
-20~55°C
Battery Self-Heating
Low-Temperature Charging Activation (≤5°C)
Connection
Wi-Fi/Bluetooth
Ingress Protection Rating
IP65
Net Weight
23.1kg
Dimensions
284mm x 255mm x 458mm
Acoustic Noise
＜30 dB
Warranty
10-Year
1. With 100% solar capture and utilization, the EcoFlow STREAM Series System generates around 5,542 kWh annually—covering Germany's average household consumption (3,113 kWh/year). Based on an electricity rate of €0.40/kWh, this results in annual savings of €2,217. Actual savings may vary depending on usage behavior, regional energy pricing, and different bundles.
Source: https://pvwatts.nrel.gov/pvwatts.php
2. 99% of daily essentials are included, such as: washing machine, dishwasher, radio, TV, refrigerator, coffee machine, dryer, kettle, speaker, microwave, Wi-Fi router, and lamp.
3. The maximum capacity is 6 units, expandable up to 11.92 kWh with the EcoFlow STREAM Ultra or EcoFlow STREAM AC Pro. With 5 EcoFlow STREAM Ultra X units and an AC Pro, the system can be expanded further to 21 kWh.
4. The EcoFlow STREAM Ultra features 4 MPPTs, and the EcoFlow STREAM Pro features 3 MPPTs.
5. Certain AI features in the EcoFlow app require a premium subscription. Please refer to the EcoFlow app for details on subscription plans and feature availability.
6. Installation time is based on test results from the EcoFlow Lab. Actual installation time may vary depending on product system configuration and real-world application.
