Home batteries
Commercial energy storage
EV chargers
Installation
EcoFlow Battery +Inverter Stream UltraX, Plug&Play, 3.84kWh, 800W(1200W), 4 MPPT 4 IN Wifi/BT, IP65
EcoFlow EF-STREAMULTRAX800W is a plug-and-play battery from EcoFlow. This model sits in the plug-and-play storage category. It offers less scope for use than a fixed system, but getting started is simpler.
EcoFlow ranges from compact plug-and-play storage to fixed home systems, so check carefully which product line this item belongs to. On this page we only use product specifications that can be traced back to a manufacturer datasheet on file. For this model there are, as yet, no additional datasheet values that can safely be repeated in customer-facing text.
What can you do with this model?
Place in the system
This model sits in the plug-and-play storage category. It offers less scope for use than a fixed system, but getting started is simpler.
Verifiable product data
The table below only shows recorded source values. That means less marketing language and more information that actually belongs to this model code.
Combinations confirmed in advance
Before you order, we check the inverter, battery and required controls against the official compatibility list. A shared brand logo is not enough.
Installation made to fit
Where fixed mounting is needed, the electrical situation is assessed beforehand. That way the quote matches the actual work in your home, with the Dutch NEN 1010 standard as the starting point.
Verified data
Do not treat this as a replacement for a fixed home battery in a home with heavy evening consumption. With storage we first look at your quarter-hourly meter readings or annual consumption. Then at the solar power left over during the day. That way you avoid capacity that looks impressive on paper but rarely gets filled at home.
Comparing without filling in missing values
For this version, no complete set of sister models with four shared datasheet fields is available locally yet. That is why there is deliberately no numerical comparison here. The model name and product category are known, but we do not fill in missing values from other webshops or from memory.
Who is this a logical choice for?
This model makes sense when the product family already suits your installation and the verified values match your usage. Don't choose based on one big number in the title. Power, capacity and connection each answer a different question. A short intake conversation quickly makes that difference clear.
Also see our plug-and-play batteries and the EcoFlow range. For a verified next step, take a look at the EcoFlow EF-STREAMAC800W and the EcoFlow EF-STREAMPRO800W-EU.
Frequently asked questions
Is the EF-STREAMULTRAX800W compatible with my current installation?
Our verified compatibility mapping includes EcoFlow EF-STREAMAC800W, among others. We confirm the full combination by model code before you order.
What information do you need for a proper check?
We need the connection in your meter cupboard (the "meterkast" in Dutch homes), plus the exact model code of your existing inverter or battery. For storage we also look at your consumption and the available solar generation.
Can I expand this version later?
We only say so when the manufacturer confirms it for this series. Without that source we do not promise extra modules, parallel set-ups or future interchangeability.
Can you take care of the installation?
Yes, where installation is needed, it can be carried out by a certified installation partner to the Dutch NEN 1010 standard. What materials and which meter cupboard modifications are actually needed is determined in advance.
Why are not all possible combinations listed on this page?
Compatibility changes per generation and firmware line. So we would rather show one verified combination than a long list of doubtful cases.
Product specifications
- Article number
- EF-STREAMULTRAX800W
- SKU
- EF-STREAMULTRAX800W
- Storage capacity
- 3.84 kWh
Past hierbij
€549,00Incl. tax
