Compatible with DELTA Pro Ultra and DELTA Pro Ultra X Inverters.
- Expandable capacity – Increase the capacity of DELTA Pro Ultra X with an extra 6144Wh.
- Plug-and-play without setup. And use the EcoFlow app to monitor and control.
- The Highest Safety Standards: EV-grade LFP cells, dual BMS, and 3-level safety architecture.
- 5-Year Full Warranty



![DELTA 2 Smart Extra Battery [Add-on]](https://electrococina.shop/wp-content/uploads/2026/11/ecoflow-delta-2-smart-extra-battery-42464971948196.png)


Marcus V. (verified owner) –
Ordered the EcoFlow DELTA Pro Ultra Series Smart Extra Battery from Electro Cocina and could not be happier. Arrived in 3 business days in factory-sealed original packaging. Works flawlessly!
Elena R. (verified owner) –
Very solid performance on the EcoFlow DELTA Pro Ultra Series Smart Extra Battery. Packaging was double-boxed and reinforced. Delivery took 3 business days. Great store!
Thomas H. (verified owner) –
Genuine factory-sealed unit with full 2-year warranty. Fast insured delivery with tracking from start to finish. Highly recommend the EcoFlow DELTA Pro Ultra Series Smart Extra Battery!