Skip to content
Availability:
in stock, ready to be shipped
by EcoFlow

EcoFlow - DELTA Pro 3 Smart Extra Battery

Sale Sale
Original price $2,599.00
Original price $2,599.00 - Original price $2,599.00
Original price $2,599.00
Current price $1,999.00
$1,999.00 - $1,999.00
Current price $1,999.00
SKU EFDELTAPRO3EB

Description

Seamless Compatibility & Expandable Power

Designed to integrate perfectly with the EcoFlow DELTA Pro 3, this Smart Extra Battery increases your power capacity, offering a scalable solution for extended backup needs. Expand up to 12kWh for reliable energy storage.

IMPORTANT Note: This product does not provide power on its own — it must be connected to a compatible base unit, click the link below to view bundled purchase options 

EcoFlow DELTA Pro 3 + DELTA Pro 3 Smart Extra Battery

Key Features

  • Long-Lasting Performance – LFP battery technology with 4,000 cycles to 80% capacity for extended durability.
  • Effortless SetupPlug-and-play design ensures quick and easy connection to the DELTA Pro 3.
  • Stackable & Space-Saving – Ideal for home backup or indoor power storage, allowing for a clean, organized setup.
  • High-Capacity Output – Delivers 4,000W power with dual 120V/240V capability, supporting essential household appliances.

 

An Intelligent Sub-panel for Outage Protection and Energy Efficiency

The EcoFlow Smart Home Panel 2 acts as the central hub of your home power backup system, working with the EcoFlow DELTA Pro 3, generators, and solar panels to ensure continuous power during outages. With its automatic switchover, you’ll have instant backup power when needed. It also allows you to optimize energy usage by adjusting to time-of-use rates and solar production, helping you manage costs efficiently.

Plug-and-Play Convenience

The smart extra batteries easily connect to the EcoFlow DELTA Pro 3 main unit, ensuring a seamless setup with minimal effort. Designed for portability, its compact form makes power management more convenient.

Reliable Power with Advanced Safety Features

Equipped with automotive-grade LFP battery cells, this unit prioritizes safety and longevity. Backed by a 5-year warranty, you can count on consistent and dependable performance for years to come.

Power Your Essential Appliances Anytime

With a 4,000W output and dual 120V/240V capability, the DELTA Pro 3 Smart Extra Battery ensures you can power essential household devices. Expandable battery options allow you to further increase capacity for even greater convenience.

Sleek, Space-Saving Design for Maximum Portability

Designed for easy mobility, the DELTA Pro 3 Smart Extra Battery features wider wheels, an ergonomic handle, and a compact structure. Its efficient design helps you maximize storage space while ensuring portability.

Effortless Control with the EcoFlow App

Monitor and manage your power system remotely using the EcoFlow app. Track energy usage, adjust settings, and optimize performance for greater energy efficiency—all from your smartphone.


Applications

Off-grid

Energize Every Moment That Needs Electricity

RV

Energize Every Moment That Needs Electricity

Jobsite

Energize Every Moment That Needs Electricity




Specifications



What's in the box




Warranty

Warranty Policy – King of Generators

At King of Generators, we are committed to ensuring you have a seamless experience with your purchase. Below is an overview of the EcoFlow warranty policy to help you understand coverage and how to make a warranty claim through King of Generators support.


Warranty Period Overview

EcoFlow provides a limited warranty on its products, starting from the date of purchase. The warranty period varies by product type:

  • DELTA Series & RIVER Series: 1–5 years (depending on model)
  • Solar Panels: 12 months to 10 years
  • Accessories: 12 months
  • Smart Generators: 1–3 years

For detailed coverage, refer to the product-specific warranty on EcoFlow’s official website or contact King of Generators support.


What’s Covered?

  • Free repairs or replacements for defects in materials or workmanship
  • Warranty extensions available for select products upon registration on EcoFlow’s website

What’s Not Covered?

The warranty does not cover:

  • Damage due to misuse, unauthorized modifications, or external factors (e.g., water, weather)
  • Products purchased from unauthorized sellers or without valid proof of purchase
  • Products used outside the intended region or incompatible with local power standards

Note: EcoFlow products are designed for use in the U.S. Warranty claims for malfunctions due to use outside the country may not be covered.


How to Make a Warranty Claim

If you experience any issues, please contact King of Generators support to initiate a warranty claim.

📞 Phone: (855) 799-2943
📧 Email: info@kinggenerators.com

Our team will assist you with the claim process, including verifying your purchase, troubleshooting the issue, and coordinating with EcoFlow for repair or replacement.

Once approved, we will provide further instructions, including shipping details and estimated resolution time.


For any questions regarding warranty coverage, feel free to contact King of Generators support. We're here to help!

 

In Stock ready to ship

All order are processed with 24-48 hours

FAST & FREE SHIPPING

All orders are shipped free

Multi-channel Support

Our dedicated team offers responsive support