![EcoFlow DELTA PRO [ULTRA-X] Smart Extra Battery | 6,144Wh Expandable Capacity | Plug-and-Play | EV-Grade LFP Cells | Dual BMS | 5-Year Warranty well pump The Tamarack Flush Mount Rail](https://cdn.shopify.com/s/files/1/0034/8913/6751/files/Battery_205513b1-8b7a-4381-8bb4-5e652cba2dd2.png?v=1763144162)
![EcoFlow DELTA PRO [ULTRA-X] Smart Extra Battery | 6,144Wh Expandable Capacity | Plug-and-Play | EV-Grade LFP Cells | Dual BMS | 5-Year Warranty well pump The Tamarack Flush Mount Rail](https://cdn.shopify.com/s/files/1/0034/8913/6751/files/Battery_fc523c86-1e45-4349-9a45-97ac87909cc6.png?v=1763144161)
![EcoFlow DELTA PRO [ULTRA-X] Smart Extra Battery | 6,144Wh Expandable Capacity | Plug-and-Play | EV-Grade LFP Cells | Dual BMS | 5-Year Warranty well pump The Tamarack Flush Mount Rail](https://cdn.shopify.com/s/files/1/0034/8913/6751/files/10_bb11a8a1-8497-4a7c-a464-aa7f6d84879d.png?v=1763144161)
Pay in 4 interest-free payments of $274.88 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
The Tamarack Flush Mount Rail Kit offers an attractive
efficient charging while preventing overcharging and other forms of battery damage
Max output power: 20
keeping your F3800 PLUS fully charged and ready to go during extended outages
EcoFlow DELTA PRO [ULTRA-X] Smart Extra Battery | 6,144Wh Expandable Capacity | Plug-and-Play | EV-Grade LFP Cells | Dual BMS | 5-Year Warranty well pump The Tamarack Flush Mount RailUpgrade your EcoFlow DELTA Pro Ultra X system with this plug and play Smart Extra Battery, adding an additional 6,144Wh of capacity instantlyno tools or setup required. Designed with EV grade LFP cells, dual BMS, and 3 level safety architecture, this battery offers unmatched reliability, efficiency, and long term performance. Whether youre preparing for extended outages or scaling your energy independence, the Smart Extra Battery is the ideal solution
US$ 16047.50
US$ 69.99
US$ 170.00
US$ 573700.00
