Expandable capacity
- Increase the capacity of DELTA 2 Max with an extra 2048Wh.
 
Triple the power
- 2-6kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to gain a capacity of 6144Wh, ideal for home backup, RVing, outdoor adventures, and everyday use. Much more affordable, it costs up to 30% less than a power station of the same capacity.
10-year lifespan with an LFP battery
 - Get 10 years of daily use until it hits 80% of its original capacity.
Embrace the 3000+ charging cycles enabled by the LFP battery chemistry.
Easy to use
 - Plug-and-play without setup. And use the EcoFlow app to monitor and control the DELTA 2 Max Smart Extra Battery.
Stackable, space-saving design
Featuring an ergonomic, compact design, the DELTA 2 Max Smart Extra Batteries can be securely stacked on top of power stations and each other to save space and minimize clutter.
 
Spec
Capacity             2048Wh
Input Port          51.2V, 2000W Max
Output Port      51.2V, 3200W Max
Battery                LFP chemistry, 3000 cycles to >80% capacity
Dimension         464×235×283 mm
Weight                19kg
Compatible with        DELTA 2 / DELTA Max 2000 / DELTA 2 Max