1 / 6EF EcoFlow DELTA 3 Max Plus EB 2048Wh LFP Extra Battery
EF EcoFlow DELTA 3 Max Plus EB is a 2048Wh LFP extra battery intended to expand a compatible DELTA 3 Max Plus system. The listing describes stackable expansion, app monitoring and camping or home-backup use, but does not specify charging or output details for the battery itself.
At a glance
- 2048Wh LFP extra battery, as stated in the title.
- Listing says capacity can be expanded from 2kWh up to 6kWh with extra batteries.
- Designed for use with the EcoFlow DELTA 3 Max Plus, app monitoring and management are claimed.
- Stackable design is described for home or indoor backup applications.
Reference price: £799.00
Price checked: 12 Nov 2026
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Pros and cons
Pros
- An extra battery offers a way to extend stored energy in a compatible DELTA 3 Max Plus setup without buying a separate power-station line.
- The claimed app monitoring can help users keep track of the connected system remotely.
Cons
- This is an expansion battery rather than a self-contained power station, its stated compatibility is limited to DELTA 3 Max Plus.
Technical specifications
3 specifications| Brand | EF ECOFLOW |
|---|---|
| Model | Delta 3 Max Plus EB |
| Dimensions listed | 49.4 x 23.9 x 19.6 centimetres |
|---|
What to know before buying
Listing details to confirm
The listing describes this as an extra battery and gives a 2048Wh title capacity, while separately describing expansion from 2kWh to 6kWh with additional batteries, confirm the capacity and system configuration for the selected listing. It claims compatibility with the DELTA 3 Ultra Plus as a future integration, not a currently confirmed one. Charging, output, weight and detailed connection requirements are not specified here. The listing states a five-year warranty and over a decade of battery durability, but gives no further warranty terms or conditions.
What’s in the box
Included- Delta 3 Max Plus EB
Who is it for?
A good fit for
- DELTA 3 Max Plus owners seeking additional stored energy for camping, RV trips or home backup.
- Buyers who want a stackable expansion battery with app-based monitoring, subject to compatible equipment.
Less suited to
- Anyone looking for a standalone power station rather than an expansion battery.
- Buyers with another EcoFlow model unless compatibility is confirmed for that exact setup.
Customer reviews on Amazon
- 5 stars
75% 75% - 4 stars
0% 0% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
25% 25%
The available aggregate rating is 4.0 out of 5 from 9 ratings. The distribution is sharply split, with 75 percent at five stars and 25 percent at one star, so the average alone does not show why experiences differ. There are no qualitative customer comments to explain those ratings, buyers should weigh the intended expansion use and confirm system compatibility and capacity details.
Frequently asked questions
Does this work as a standalone power station?
The listing presents it as an extra battery for the DELTA 3 Max Plus, not as a standalone power station.
Which system is it listed as compatible with?
It is described as compatible with the EcoFlow DELTA 3 Max Plus. DELTA 3 Ultra Plus integration is described as upcoming, so it should not be treated as confirmed current compatibility.
What capacity is stated?
The title states 2048Wh. The feature text also describes a system expanding from 2kWh up to 6kWh with extra batteries, confirm the intended configuration before purchase.
What is included?
The explicit included-components field names the Delta 3 Max Plus EB. It does not list additional cables or accessories.
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