Skip to content

EcoFlow DELTA Pro 3 Smart Extra Battery

by EcoFlow
SKU: EFDELTAPRO3EB-1
Save $200.00
Original Price $2,599.00
Current Price $2,399.00

Found a Lower Price?

Send it to us and we'll beat it. Our Power Experts will make sure you get exactly what you need at the lowest price online. Fast, friendly, and guaranteed!

Select Number of Batteries

Notify me when available

✔ Authorized EcoFlow Dealer
✔ Manufacturer Warranty Included
✔ Financing Available At Checkout

Friendly Lifetime Support

Friendly Lifetime Support

Unlimited expert service

Price Beat Promise

Price Beat Promise

Guaranteed lowest prices online

Free No-Risk Returns

Free No-Risk Returns

Guaranteed free for 30 days

Fast & Free Shipping

Fast & Free Shipping

On every product storewide

Double Down On Power And Freedom With The DELTA Pro 3 Smart Extra Battery

Experience true energy independence with the EcoFlow DELTA Pro 3 and the DELTA Pro 3 Smart Extra Battery. This cutting-edge expansion battery seamlessly integrates with your DELTA Pro 3, doubling its capacity to a mighty 8kWh. Add a second battery and reach a sky-high 12kWh of super power.

Imagine powering your essential appliances, electronics, and even medical devices for extended periods during outages, off-grid adventures, or worksites lacking reliable electricity.


What's Included

  • 1 x EcoFlow DELTA Pro 3 Smart Extra Battery
  • 1 x EcoFlow Extra Battery Cable
  • 1 x Quick-Start Guide
  • 1 x Safety Guide
  • 1 x Warranty Card


EcoFlow DELTA Pro 3 Smart Extra Battery Specifications

Color Black & Galactic Silver
Weight 33 kg | 72.7 lbs
Dimensions 694 × 295 × 215mm | 27.3 x 11.61 x 8.4
Capacity 4096 Wh
Output 40V-58.4V=100A Maximum
Input 40V-58.4V=80A Maximum
Display LED Array
Discharge Temperature -10°C ~ 45°C | 14 ~ 113°F
Charge Temperature 0°C ~ 45°C | 32 ~ 113°F
Storage Temperature -10°C ~ 45°C | 14 ~ 113°F
Wheels Support No
Tie Rod Support No
Stack Horizontal or Vertical
Connection  1 x Extra Battery Port

Customer Reviews

Based on 5 reviews
100%
(5)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
C
Chung-yuan H.
Nothing but best price

That’s all I felt

Thank you, Chung-Yuan! We’re glad you found the best price with us. If you ever need anything else, we’re here to help!

K
Kenneth K.
Fast

The price was right and the delivery was fast. I can hardly wait till this item is on sale again, need a couple more. Thanks

Thank you, Kenneth, for your positive review! We're glad to hear you found the price right and the delivery fast. We appreciate your support and look forward to serving you again when this item goes on sale. Thanks for choosing Outbound Power!

A
Alan
Works well - plug and play

The expansion battery shipped out quickly, it was a plug-and-play install. Thanks for the positive buying experience.

Thank you, Alan, for your fantastic review! We're glad to hear that the Delta Pro 3 expansion battery arrived quickly and that the plug-and-play install was smooth for you. Your positive buying experience is exactly what we strive for, and we're here if you ever need any further assistance. Enjoy your expanded power setup!

M
Michael C.
Finished off my System

The addition of the new EcoFlow DeltaPro 3 Extra Battery Pack has really allow my system to shine. Before I was depleting my system and requiring supplemental Grid power to charge my system. Now, It able to keep up with my loads and use solar to keep it charged. OutboundPower had that best price and delivery was very quick. I can't be any happier.

Thank you, Michael, for your fantastic review! We're thrilled to hear that the addition of the Delta Pro 3 Extra Battery Pack has completed your system and helped you move away from supplemental grid power. It's great to know that our pricing and quick delivery contributed to your positive experience. We're always here to support your power needs, and your satisfaction is our priority. Thanks for choosing Outbound Power!

J
Josh W.
Full transparency and fast shipping

This is my first order from outbound and I must say will certainly not be the last. Constant, relevant communication throughout the order process and fast delivery. Outbound has become my “go to” for all my EcoFlow needs.

Thank you, Josh! We're thrilled to hear that your first experience with Outbound Power was a great one. Providing transparency, fast shipping, and great service is what we aim for. We appreciate your trust and look forward to being your go-to for all things EcoFlow!