The EcoFlow DELTA 3 Max Plus Smart Extra Battery adds an extra 2048Wh of battery capacity to a compatible EcoFlow DELTA 3 Max Plus setup.
It is designed for customers who already have, or are buying, the EcoFlow DELTA 3 Max Plus and want more stored energy without moving to a separate power station. It connects to the compatible main unit using the extra battery cable and works as part of the EcoFlow DELTA 3 Max Plus system.
This is a smart expansion battery only. It is not a standalone portable power station and should be used with a compatible EcoFlow power station.
Extra 2048Wh battery capacity
The DELTA 3 Max Plus Smart Extra Battery adds 2048Wh of additional LFP battery storage to your setup. This gives your compatible EcoFlow system more stored energy for home backup, mobile work, campervan use, off-grid living, or general backup power.
Designed for EcoFlow DELTA 3 Max Plus
EcoFlow confirms compatibility with the EcoFlow DELTA 3 Max Plus and EcoFlow DELTA 3 Ultra Plus. We recommend using this battery only with officially supported EcoFlow models.
Plug-and-play expansion
The battery is designed to connect directly to the compatible EcoFlow unit using the supplied extra battery cable. Its stackable design also helps keep the setup neat for indoor, home, or mobile use.
What’s in the box: 1. EcoFlow DELTA 3 Max Plus Smart Extra Battery, 2. Extra Battery Cable, 3. Manuals and Warranty Card.
| Product | EcoFlow DELTA 3 Max Plus Smart Extra Battery |
| Capacity | 2048Wh |
| Battery chemistry | LFP |
| Dimensions | 49.4 × 23.9 × 19.6 cm |
| Net weight | 16 kg |
| Extra battery port type | 4+8 |
| Screen | No |
| Output | 43.2–57.6V, 100A |
| Input | 43.2–57.6V, 48A |
| Discharge temperature | -10°C to 45°C |
| Charge temperature | 0°C to 45°C |
| Storage temperature | -10°C to 45°C |
Please note:
This product is an extra battery only. It does not include AC sockets, USB ports, or standalone output ports. It must be connected to a compatible EcoFlow power station to be used.
Compatibility note:
This battery should only be used with EcoFlow models officially confirmed as compatible. Wider DELTA 3 compatibility should not be assumed unless confirmed directly by EcoFlow for this specific extra battery.
⚕️ Note: Portable power stations are not medical-certified backup systems and are not suitable for life-support or critical medical devices.
