EcoFlow STREAM ULTRA Microinverter & battery kit

  
By EcoFlow
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EcoFlow STREAM Ultra

Ready for true energy freedom? Power your home, reduce your bills, and take control with the STREAM Ultra plug-and-play solar system.

EcoFlow STREAM Ultra Product Image

Key Features

  • Expandable capacity up to 11.52kWh (connect up to 6 units)
  • 2,000W PV input (4 × 500W), with 4 MPPT controllers
  • Max device power supported: 2,300W (10A)
  • Low-temperature self-heating, ready for winter conditions
  • Quiet operation (<30 dB) and IP65 weatherproofing for outdoor use
  • 10-year warranty - designed to retain 70% of the original battery capacity after 6,000 full charge/discharge cycles
  • Requires installation by a licensed electrician. Contact us today for a referral to a trusted installation partner. 
EcoFlow STREAM Ultra Product Image

Power Big. Power Small. Power It All.

Three smart setups to cover every need — all powered by the sun.

2300W Parallel Mode

Device Setup: 1 × STREAM Ultra + 1 × STREAM Ultra or STREAM AC Pro (connected with parallel cable)

Powers high-wattage appliances like ovens and dishwashers.

Output: 1,200W + 1,100W = 2,300W total

2000W Distributed Mode

Device Setup: 1 × STREAM Ultra + 1 × STREAM Ultra or STREAM AC Pro (plugged into separate wall sockets)

Solar powers up to 2,000W, with support for 2,300W when needed.

Output: 1,200W + 800W + 300W = 2,300W total

1200W Single Unit Mode

Device Setup: 1 × STREAM Ultra

Ideal for running everyday essentials like TVs, cookers, and fans.

Output: 1,200W from a single battery

Technical Specifications

Capacity 1.92kWh
Cycle Life 6,000 cycles to 70% capacity
AC Charging Input 1,050W
AC Output 1,200W
MPPT 4
PV Input Power 2,000W (500W × 4)
AC Output (Grid-Tied) 800W
Max Device Power Supported 2,300W (10A)
Battery Self-Heating Activates at ≤5°C
Ingress Protection IP65 (weatherproof)
Dimensions 284 × 255 × 458 mm
Weight 23.1 kg
Operating Temperature –20°C to 55°C
Connectivity Wi-Fi / Bluetooth (EcoFlow App)
Noise Level <30 dB
Warranty 10 Years

Important notice: Under new guidance, in the UK energy storage systems should not be installed in bedrooms and other residential spaces. They are best installed outside and the STREAM batteries are IP65 rated for this purpose, or in a non-habitation space meting prescribed conditions. The person installing must follow the guidance here.