Skip to content
Product Image 1
Product Image 2
Product Image 3
Product Image 4
Product Image 5
Product Image 1
Product Image 2
Product Image 3
Product Image 4
Product Image 5

EcoFlow DELTA 2 Max Smart Extra Battery with 2048Wh Expandable Capacity

Sku: EFDELTA2MaxEB

$1,399.00
$1,399.00

Buy Now, Pay Later

Perfect Companions
Description

Experience Unmatched Power and Expandable Capacity with EcoFlow DELTA 2 Max Smart Extra Battery

Empower Your Energy Needs

Unlock the full potential of your portable power station with the EcoFlow DELTA 2 Max Smart Extra Battery, designed specially to increase your device's capacity by an additional 2048Wh. Whether for home backup during outages, RV adventures, or daily power needs, this expandability provides you with the freedom and security to stay powered up longer. Generation Eco Store understands the vital importance of reliable energy solutions, and by selecting the EcoFlow brand, we help you invest in a product that combines durability, efficiency, and smart technology.

Reliable, Long-lasting and User-friendly

Featuring advanced LFP battery chemistry, this extra battery offers a 10-year lifespan with over 3000 charge cycles, ensuring you enjoy long-term, consistent power without compromise. Its easy plug-and-play design makes expanding your energy storage effortless, while the EcoFlow app offers intuitive battery monitoring and control. Generation Eco Store is committed to guiding you towards energy solutions like this that seamlessly blend innovation with practicality, making your decision as effortless as your power needs.


Key Specifications

Specification Values
Capacity 2048Wh
Input Port 51.2V, 2000W Max
Output Port 51.2V, 3200W Max
Battery Chemistry LFP, 3000 cycles to >80% capacity
Dimensions 464 × 235 × 283 mm (18 × 9 × 11 in)
Weight 19 kg (42 lbs)
Expandable Capacity Up to 6144Wh with 2 batteries
Warranty 5-Year Full Warranty

Specifications & Dimension
What's in the Box?
    • Extra Battery
    • Cable
    • User Manual
    • Warranty Card
Guides & More
Shipping Policy
  • Free & Fast Shipping
    We offer free shipping on most EcoFlow Expansion Battery orders  across the lower 48 states, using the most reliable freight partners. Orders typically ship within 5 business days, with tracking provided within 24 hours of dispatch.
  • Tracking & Delivery Scheduling
    You’ll receive an order confirmation email immediately after placing your order. Tracking details are usually shared within 3–5 business days. Please review your shipping address carefully—corrections after shipment may incur a fee.
  • Important Shipping Notes
    Ensure your location can accommodate freight deliveries. Additional charges may apply for access-restricted areas, remote locations, or deliveries requiring special transport (e.g., ferry or plane).

    See our full Shipping Policy here
Return Policy
  • Hassle-Free Returns
    We offer a 30-day return window from the date you receive your item. Items must be unused, in original packaging, and accompanied by proof of purchase. Some items may incur a 15–25% restocking fee, especially larger freight-shipped products. Cancellations made before shipping will incur a 3-5% processing fee.
  • Damaged or Special Orders
    Please report any damages within 24 hours of delivery. Installed or opened items may not be returnable. Select brands such as Victron and Pytes may be non-returnable based on manufacturer policies.

    See our full Return Policy here

"What we'd tell a friend"

    Highlights Image 1
    Plug and Play Convenience
    Setup is effortless with the plug-and-play design. Easily monitor and control your battery via the EcoFlow app, giving you control and peace of mind wherever you are.
    Triple Your Power
    Expand your energy storage capacity up to 6144Wh by stacking up to two extra batteries. This flexible design is suitable for home backup, outdoor adventures, and everyday use, delivering more energy at a lower cost.
    Highlights Image 2
    Highlights Image 3
    Long-lasting Battery
    Enjoy a decade of reliable power with the upgraded LFP battery chemistry in the DELTA 2 Max Smart Extra Battery. It offers over 3000 charge cycles, significantly longer than traditional batteries, providing you dependable energy for years.

See it in Action

Have a Question? We Have Answers

Which portable power stations are compatible with the DELTA 2 Max Smart Extra Battery?
    The DELTA 2 Max Smart Extra Battery is compatible with DELTA 2, DELTA Max, and DELTA 2 Max portable power stations, allowing seamless capacity expansion.
How many extra batteries can be used with a portable power station?
    The DELTA 2 supports only 1 extra battery, whereas the DELTA Max and DELTA 2 Max support up to 2 extra batteries for expanded capacity.
Can I charge the extra battery without connecting it to a power station?
    Yes, you can use a Smart Generator to charge the DELTA 2 Max Smart Extra Battery even when it is not connected to a power station. However, all other charging methods require the battery to be plugged into a power station.
What is the warranty on Expansion Battery?

Warranty for product varies based on the brand and the product. For some of the warranties, https://generationecostore.com/pages/warranty view OEM warranty policy. For any questions, please reach out to us at hello@generationecostore.com 

Can I return the Expansion Battery if I'm not satisfied?

We offer a 30-day return window from the date you receive your item. To be eligible for a return, the item must be unused, in its original packaging, and include proof of purchase.

Your Satisfaction is Our Priority

Secure Shopping

Our store uses SSL encryption to ensure your payment information is always secure

Free Shipping

Free shipping on orders over $500 (exceptions apply), get your purchase delivered quickly and hassle-free

Warranties

We stand behind the quality of our products and are backed by manufacturers' warranties

Customer Support

Our support team is available to assist you with any questions or concerns you have

You May Also Like

Rich Solar 200 Watt Solar Kit for Solar Generators.   At  Generation Eco Store
-54%
Rich Solar 200 Watt Solar Kit for Solar Generators.   At  Generation Eco Store

Rich Solar 200 Watt Solar Kit for Solar Generators

$264.31
$399.99
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
-54%
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store
Rich Solar Mega 200 Watt 12 Volt Solar Panel.   At  Generation Eco Store

Rich Solar Mega 200 Watt 12 Volt Solar Panel

$239.99
$299.99
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
-54%
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store
Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit.   At  Generation Eco Store

Rich Solar Mega 200 Watt Briefcase Portable Solar Charging Kit

$279.00
$562.49
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
-54%
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store
Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery.   At  Generation Eco Store

Rich Solar-Alpha 5 Server Lithium Iron Phosphate Battery

$1,599.99
$2,373.75
Rich Solar-Mega 100 Slim Solar Panel.   At  Generation Eco Store
Rich Solar-Mega 100 Slim Solar Panel.   At  Generation Eco Store
Rich Solar-Mega 100 Slim Solar Panel.   At  Generation Eco Store
-54%
Rich Solar-Mega 100 Slim Solar Panel.   At  Generation Eco Store
Rich Solar-Mega 100 Slim Solar Panel.   At  Generation Eco Store
Rich Solar-Mega 100 Slim Solar Panel.   At  Generation Eco Store

Rich Solar-Mega 100 Slim Solar Panel

$129.99
$162.49
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
-54%
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store
Rich Solar Mounting Hardware Z Brackets.   At  Generation Eco Store

Rich Solar Mounting Hardware Z Brackets

$12.99
$16.24
Rich Solar Cable Entry Housing.  Black At  Generation Eco Store
Rich Solar Cable Entry Housing.   At  Generation Eco Store
Rich Solar Cable Entry Housing.  White At  Generation Eco Store
Rich Solar Cable Entry Housing.   At  Generation Eco Store
-54%
Rich Solar Cable Entry Housing.  Black At  Generation Eco Store
Rich Solar Cable Entry Housing.   At  Generation Eco Store
Rich Solar Cable Entry Housing.  White At  Generation Eco Store
Rich Solar Cable Entry Housing.   At  Generation Eco Store

Rich Solar Cable Entry Housing

$12.00
$16.24

Real Stories From Real Customers

Check Out Our Instagram

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare