EcoFlow Stream Battery Ultra X

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Product details

The EcoFlow Stream Ultra X is a hybrid home storage system with a capacity of no less than 3.84 kWh. It allows you to store and use your own solar power whenever you need it - without any complicated installation or technical knowledge. You simply plug the storage system into the socket and control everything conveniently via the EcoFlow app. During the day, you can charge the battery with electricity from your solar panels (or from the grid) and simply use the electricity yourself in the evening or in the event of a power cut. This saves you energy costs and makes you less dependent on the grid. Increase capacity even further. An EcoFlow Stream Ultra X home battery already has an impressive storage capacity of 3.84 kWh. However, this can be increased even further by connecting up to 6 Ultra X batteries together. In total, you can expand the system to a capacity of no less than 23 kWh. Returning and charging. You can supply connected devices with up to 1,200 W via the integrated socket, plus 1,100 W forward current, i.e. 2,300 W in total. In addition, you can feed up to 1,200 W back into the mains if the Stream is connected to its own circuit. In a shared circuit, you can feed back a maximum of 600 W in the Netherlands and 800 W in Belgium. The Stream Ultra X can be charged with 1,200 W from the grid or directly from your solar panels with a maximum of 2,000 W (4 solar panels of 500 W each). Do you already have an inverter for your solar modules? Then the EcoFlow Stream AC Pro may be the better choice. 4 MPPT channels.

Key specifications

Battery technology
Lithium
Power capacity
3840 Wh
Nominal voltage
48 V
Item number
61109752

General information

Manufacturer
EcoFlow
Category
Electricity storage
Manufacturer no.
EFSTREAMULTRAX800W-EU
Release date
14.8.2025
Sales rank in Category Electricity storage
15 of 118
May include power adapter
Yes

Colour

Colour
Grey
Exact colour description
Grey

Material

Material group
Metal
Material
LiFePO4Lithium iron phosphate (LFP)

Home memory feature

Battery technology
Lithium
Nominal voltage
48 V
input
1200 W
Power output
1200 W
Protection type (IP code)
IP65

Battery properties

Battery category
Device batteries
Battery
Rechargeable battery
Battery type
LiFePO4
Power capacity
3840 Wh
Battery size
Device specific

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1x STREAM Ultra X x 800 W, 8x STREAM solar panel extension cable (2.95 m), 1x STREAM AC cable (1.5 m), 1x PV spanner, 1x mounting bracket, 1x locking bracket
Items per sales unit
1 x

Product dimensions

Length
42 cm
Width
29.40 cm
Height
46 cm
Weight
38.80 kg

Package dimensions

Length
50 cm
Width
39 cm
Height
57 cm
Weight
38.80 kg

30-day right of return
24 Months Warranty (Bring-in)

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