EcoFlow DELTA Pro Ultra X Smart Extra Battery x 2

Product Description

The EcoFlow DELTA Pro Ultra X Smart Extra Battery expands the storage capacity of your DELTA Pro Ultra X system, adding an additional 6,144 Wh per unit. Featuring EV-grade LiFePO₄ battery chemistry, dual BMS protection, and a three-level safety system, it provides enhanced durability, stability, and long-term performance.

With its plug-and-play design, the Smart Extra Battery easily connects to your existing DELTA Pro Ultra X setup, no complex installation or wiring required. Built for scalability, it’s the ideal solution for extending backup runtime, increasing off-grid autonomy, or preparing for higher future energy demands.

Key Specifications

• Expandable Capacity: Adds 6,144 Wh per battery module

• Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate) for long cycle life and superior safety

• Protection System: Dual BMS (Battery Management System) with 3-level safety architecture

• Compatibility: Designed exclusively for the DELTA Pro Ultra X system

• Connection Type: Plug-and-play expansion, no tools required

• Durability: Built with automotive-grade components for extended service life

• Warranty: 5 years (manufacturer standard)

Product Benefits & Use Cases

• Expandable Energy Storage: Add more battery capacity to your DELTA Pro Ultra X setup for longer backup or off-grid operation.

• Long-Lasting Performance: Advanced LiFePO₄ chemistry ensures stable power output and thousands of charge cycles.

• Smart, Safe, Reliable: Dual BMS and multi-layer safety systems protect against overcharge, overheating, and short circuits.

• Effortless Integration: Plug-and-play connection makes expansion fast and simple, no professional installation required.

• Scalable Design: Add multiple Smart Extra Batteries as your energy needs grow, building a robust whole-home backup system.

What's in the box?

• Delta Pro Ultra X extra Battery (2)
• Battery Connection Cable (2)
• User Manual & Warranty Card

Specs

Battery Chemistry

LFP

Warranty

5 years

Battery Temperature

Operating & Storage temp: −4°F to 113°F (−20°C to 45°C)

Inverter Temperature

Operating & Storage temp: −4°F to 122°F (−20°C to 50°C)