DIRECTORY / BATTERY & STORAGE
EcoFlow STREAM Ultra
EcoFlow
Explore EcoFlow STREAM Ultra specifications: 1.92kWh LFP storage, four MPPT inputs, up to 2,000W solar input and 1,200W AC output.
Full Technical Specifications
Model Number
STREAM Ultra
Category
Plug-in Solar & Home Storage
Product Type
Battery Chemistry
LFP (LiFePOâ‚„)
Nominal Capacity (kWh)
1.92
Usable Capacity (kWh)
Max Expandable Capacity (kWh)
Expansion Battery Compatibility
Continuous AC Output (W)
1200
Peak AC Output (W)
AC Charging Input (W)
1050
Max Solar Input (W)
2000
MPPT Channels
4
Solar Input Voltage Range (V)
15–60V DC per PV port (manufacturer series FAQ); maximum 60V DC
Grid / AC Charging
Yes — AC charging input specified at 1,050W
AC Output / Backup
1200W AC output; grid-tied output listed as 800W; bypass supports devices up to 2300W (10A)
EPS / UPS
Off-grid use supported; do not describe as UPS without model-specific confirmation
App & Monitoring
EcoFlow app; Wi-Fi/Bluetooth connectivity
Smart Meter
EcoFlow smart meter ecosystem; verify regional accessory compatibility
Plug-in Solar
Designed for EcoFlow STREAM plug-in solar ecosystem
UK Availability
Listed on EcoFlow UK website; availability may vary
Warranty
10 years
Product Overview
1.92kWh LFP battery system with four MPPT inputs and up to 2,000W PV input (500W per MPPT). Manufacturer lists 1,200W AC output, 1,050W AC charging input and 800W grid-tied output.
Additional Notes
Manufacturer specifications. STREAM Ultra can be part of a larger STREAM ecosystem; maximum system capacity depends on configuration and compatible units.
Official Manufacturer Sources
https://www.ecoflow.com/uk/series/stream-series
EVIDENCE RATING
High — official manufacturer specifications
RETAILER
LAST VERIFIED
November 8, 2026
November 8, 2026
Plug-in solar battery storage system