The EcoFlow STREAM Ultra + AC Pro bundle pairs a hybrid solar-ready battery with a plug-in expansion, delivering 3.84 kWh of usable storage in two 22.8 kg towers. Both units share the IP65-rated, self-heating chemistry rated to 6000 cycles down to 70% capacity, and each measures 25.5 x 25.4 x 45.8 cm so they slot into a utility room, garage or hallway without bespoke enclosures. The Ultra brings the solar path with up to 2000 W across four MPPT trackers (15-60 V), while the AC Pro adds AC-side capacity that can be linked with the optional parallel cable. Everything is controlled through the EcoFlow app over Wi-Fi and Bluetooth.

• Combined 3.84 kWh storage, expandable to 11.52 kWh when adding further STREAM units.
• STREAM Ultra takes up to 2000 W direct solar (4 x 500 W) over four MPPT trackers.
• AC output up to 1200 W from the battery, plus 1100 W pass-through for a 2300 W total on AC1/AC2.
• Grid feed-in of 800 W on a shared circuit or up to 1200 W on a dedicated one.
• IP65 housing, <30 dB acoustic signature and self-heating down to 5 °C keep it usable outdoors.
• 10-year warranty and 6000 cycles to 70% capacity provide a long service horizon.

Key specs

• Capacity: 1920 Wh per unit, up to 11 520 Wh total
• Cycles: 6000 to 70% capacity
• IP rating: IP65
• AC input: 1050 W
• AC output: 1200 W (grid-tied 800 W)
• Solar input: 2000 W (Ultra, 4 x 500 W)
• Bypass output: 2300 W (10 A)
• Weight: 22.8 kg per unit
• Dimensions: 25.5 x 25.4 x 45.8 cm
• Warranty: 10 years

Built for homeowners who want a plug-and-play solar storage system that scales as PV production grows, and who need enough headroom to back up a fridge, router and lighting circuit during a blackout.