Skip to content
Contact Us Price Match Guarantee FAQs Why Buy From Us About Us Customer Reviews Installer Program
EcoFlow DELTA 3 Series Smart Extra Battery

EcoFlow DELTA 3 Series Smart Extra Battery
Sold out
$409.00 - $409.00
$409.00
$409.00 - $409.00
$409.00
✓ Authorized EcoFlow Dealer
✓ Lowest Price Guaranteed
✓ Brand New & FREE Shipping: In Stock Ready To Ship
✓ Questions? Talk to a EcoFlow Expert: 1-303-876-7654
✓ PRICE MATCH GUARANTEE


Renewable Outdoors LLC BBB Business Review

Get 5% OFF with Code ECO5 at Checkout for Non-Members

Login for Exclusive Member Pricing.
Not a member? Create a Free Account.

DELTA 3 Series Smart Extra Battery

Increase The Capacity Of DELTA 3 Plus/DELTA 3 With An Extra 1024Wh. Double The Capacity To Fit Your Energy Storage Needs, Ideal For Home Backup, RVingOutdoor Adventures, And Everyday Use. With The Compact Design, The DELTA 3 Smart Extra Battery Is1/3 Smaller Than Its DELTA 2 Counterpart. It Can Also Be Securely Stacked On Top Of The Power Station To Save Space And Minimize Clutter.

With The LFP Battery Chemistry, The DELTA 3 Smart Extra Battery Has A Lifespan Of 4000 Complete Cycles Until 80% Capacity. You'll Get Pretty Much 10 Years Of Power, Even If You Use It Every Day. That's 6x Longer Than Other Power Stations With A Similar Capacity And Output.

There's No Setup. Just Plug Into Your Power Station For More Energy Storage. Using The EcoFlow App, You Can Charge And Monitor The DELTA 3 Smart ExtralBattery With Ease.

Get All The Same Info About Battery Percent, Remaining Recharge Time, Hours Left, And More On The Built-In Screen. You Can Check The Battery's Status Right From The EcoFlow App.

Connect The Extra Battery To The Power Station's Extra Battery Port/And Recharge From AC Outlets, Portable Solar Panels, Or Our Smart Generator.


EcoFlow DELTA 3 Extra Battery Specs

DELTA 3 Extra Battery
  • Dimensions: 15.7*8.0*7.8in
  • Net Weight: 21.1 lbs
  • Capacity: 1024 Wh
  • Output: Exta Battery Port, 40V-58.4V 48A MAX
  • Input: Extra Battery Port, 40V-58.4V 24A MAX
  • Battery Chemistry: LFP
  • Cycle Life: 4000 Cycles to 80%
  • Compatibility: DELTA 3 Plus/ DELTA 3/ DELTA 3 (1500)/ DELTA 2

Your Satisfaction with EcoFlow is Guaranteed:

  • Lowest Price Guarantee
  • Limited 5 Year Warranty