EcoFlow DELTA 3 Series Smart Extra Battery | EcoFlow US

EcoFlow

ecoflow.com
30% federal tax credit may be ending on Dec 31, 2025.
Free shipping for all! *No shipment to outlying areas
(Including Puerto Rico, Hawaii, and Alaska.)

Member-only👑
Product Series
Product Scenarios
Explore
Support
Cooperation

RECOMMENDED SEARCH

DELTA Pro 3 DELTA Pro Ultra Whole Home Solutions DELTA Pro DELTA 2 Warranty Smart Generator DELTA 2 Max RIVER 2 Pro 400W Solar Panel 220W Solar Panel

Join Us and Get 500 EcoCredits, Worth $25

Join Now

Already have an account? Sign In

0

Select your country or region

America

Europe

Asia Pacific

Africa

Middle East

المملكة العربية السعودية

عربي/ ﷼ SAR

Products

Portable Power Station
Solar Panels
Solar Generator
Solar Battery
Whole Home Generator
Inverter Generator
Power Bank

Support

Where to buy
FAQs
Contact Us
Order Tracking
Activate Warranty
Fraud Alert

Explore

Ecosystem
Power Outages
Whole Home Generator
Sitemap
Corporate Purchase

Company

Blog
About Us
Community
User Manual
App Download

Programs

Affiliates
EcoCredits
Refer a Friend
Trade In
Refurbished
Best Buy Pick-up
Discount Program

Privacy & Terms

Terms of Use
Privacy Policy
Return & Refund Policy
Warranty Policy
Compliance Statement
Accessibility Statement
Shipping Policy
Payment Policy
Data Security and Privacy

Facebook
Twitter
Instagram
YouTube
Tiktok

Thank you for subscribing! Sign up for EcoFlow text updates.

Please enter a valid email address

You agree to receive newsletters and marketing emails from EcoFlow.

By entering your mobile phone number and then confirming sign-up here, you consent to receive marketing text messages (e.g., promos, cart reminders) from EcoFlow at the number provided, including messages sent by autodialer. Standard message & data rates may apply. The maximum frequency of messages will be limited to X times per week.

Unsubscribe anytime by replying to STOP or clicking the unsubscribe link (where available). Please view our Privacy Policy and Terms of Service.

By entering your email address and confirming your subscription here, you consent to receive newsletters and marketing emails from us. You can unsubscribe anytime by clicking the 'unsubscribe' link at the bottom of each newsletter. Please visit our Legal Notice at the bottom of this page to learn more about how we process your data.

Select your country or region:

Canada (USD $)
China (USD $)
Hong Kong SAR (USD $)
Macao SAR (USD $)
Taiwan (USD $)
United States (USD $)

Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device

Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.

Are you a Ukraine user?

Please note the difference in voltage between the US and EU. If you are a Ukraine user we will redirect your to the EU site to continue shopping.

Welcome to EcoFlow US

Since each region has specific voltage and plug requirements, we'll redirect you to your location.

Shopping from Canada?

You’ll be redirected to our Canadian site for a better shopping experience. Here’s a special welcome gift — use code WELCOMETOCA at checkout!

Shopping Cart

My Shopping Cart

Your shopping cart is empty

Never miss a sale!

Subscribe to get updates on our new products and exclusive promotions

Get 5% Off & Unlock More Deals

Subscribe now for 5% off, coupons worth $1,000+ , and a chance to win an EcoFlow Folding Cart in our lucky draw!

I agree to EcoFlow's Privacy Policy and Terms of Service.

Sign Up For EcoFlow Text Updates And Offers

By signing up for texts, you consent to receive marketing text messages
(e.g. promos, cart reminders) from EcoFlow at the number provided,

By signing up for texts, you consent to receive marketing text messages
(e.g., promos, cart reminders) from EcoFlow at the number provided,
including messages sent by autodialer. Standard messages & data rates
may apply. The maximum frequency of messages will be limited to X times
per week. Unsubscribe anytime by replying STOP or clicking the unsubscribe
link (where available). View our Privacy Policy and Terms of Service.

Thank You for Signing Up!

Your coupons are in your inbox.

Earn 500 EcoCredits (worth $25) and enjoy member-exclusive deals.

Not Interested? Explore our Prime Day Deals >>

Thanks for Signing Up!

Your coupons are in your inbox.

Happy Shopping with EcoFlow!

Thank you for subscribing our text messages!

Stay in the Loop & Save More!

Get tailored updates and exclusive offers for your energy storage needs.

Choose what matters to you (Multiple selections allowed)：

Price Drop Alerts

Cost Savings

Whole-Home Backup

Intelligence Solutions

Thank you for subscribing!

{"statementLink":"","footerHtml":"","hideMobile":false,"hideTrigger":false,"disableBgProcess":false,"language":"en","position":"left","leadColor":"#146ff8","triggerColor":"#146ff8","triggerRadius":"50%","triggerPositionX":"right","triggerPositionY":"bottom","triggerIcon":"people","triggerSize":"medium","triggerOffsetX":20,"triggerOffsetY":20,"mobile":{"triggerSize":"small","triggerPositionX":"right","triggerPositionY":"bottom","triggerOffsetX":10,"triggerOffsetY":10,"triggerRadius":"50%"}}