Description

EcoFlow DELTA 2 Smart Extra Battery  Double Your Power, Maximize Your Backup

More Power, More Freedom

The EcoFlow DELTA 2 Smart Extra Battery is the ultimate upgrade for anyone who needs extended power for home backup, off-grid adventures, or emergency situations. Designed to seamlessly integrate with your EcoFlow DELTA 2 Portable Power Station, this 1024Wh expansion battery doubles your energy capacity, giving you more time, more power, and more freedom to explore without limits.

Effortless Plug-and-Play Expansion

Adding power has never been easier. The DELTA 2 Smart Extra Battery connects instantly to your existing DELTA 2 with no complicated setup, no tools required. Just plug it in, and your power station’s total capacity jumps from 1024Wh to 2048Wh. Need even more? Pair with solar panels for unlimited off-grid charging, making it the perfect solution for long-term energy independence.

Built to Last With A 10-Year Lifespan and LiFePO4 Battery

Powered by advanced LiFePO4 battery cells, the DELTA 2 Smart Extra Battery is built for longevity, lasting up to 3,000 charge cycles, which means 10 years of daily use before it drops below 80% capacity. Unlike traditional lithium-ion batteries, LiFePO4 is safer, more efficient, and resistant to overheating, so you can count on reliable, worry-free energy storage for years to come.

Smart Energy Management | Stay in Control

With real-time battery monitoring via the EcoFlow app, you can track charge levels, battery health, and remaining power usage, all from your smartphone. Whether you're preparing for a blackout or optimizing your off-grid setup, smart energy management gives you complete control over your backup power.

Perfect for Home Backup & Off-Grid Living

With a total of 2048Wh of capacity when paired with DELTA 2, this extra battery is a game-changer for emergency preparedness. Run essential appliances like:

✅ Refrigerators & freezers – Keep food fresh during power outages
✅ CPAP machines & medical devices: Ensure uninterrupted operation
✅ Laptops & routers: Stay connected when the grid goes down
✅ Coffee makers & cooking appliances:  Power up your kitchen essentials

Expandable Solar Charging | More Power More Sustainability

Take advantage of solar energy by connecting EcoFlow’s 220W or 400W solar panels, turning your DELTA 2 and Smart Extra Battery into a full solar generator system. Charge up off-grid, save on electricity, and gain energy independence, whether you're on the road, at a remote cabin, or preparing for an extended blackout.

Why Choose the EcoFlow DELTA 2 Smart Extra Battery?

✔ Doubles DELTA 2 capacity: Expands from 1024Wh to 2048Wh
✔ Plug-and-play expansion: No tools or setup required
✔ LiFePO4 battery technology: 10-year lifespan, 3,000+ cycles
✔ Smart app monitoring: Track power usage in real time
✔ Solar-ready: Supports 220W & 400W solar panels
✔ Lightweight & portable: Easy to store, transport, and use

Upgrade Your Power 

Whether you need longer-lasting home backup power, extended off-grid energy, or a smarter way to store electricity, the EcoFlow DELTA 2 Smart Extra Battery is the perfect solution. Double your power, extend your energy, and never run out when it matters most.

*Please NOTE: Free Shipping is only applicable to orders for the US mainland states.

 Expand your DELTA 2 from 1024Wh to 2048Wh with the DELTA 2 Smart Extra Battery

Recharging Made Easy

The DELTA 2 Smart Extra Battery is perfect for home backup, RV power, or sustainable off-grid energy, especially when paired with solar charging options like EcoFlow’s 220W or 400W solar panels. Gain peace of mind knowing you have reliable, long-lasting power storage with a 10-year LiFePO4 battery, keeping your home powered through blackouts, storms, camping trips, and everyday electricity needs.

DISCOVER EcoFlow Solar Panels >

 
BUILT TO LAST 6X LONGER + 5 YEAR WARRANTY

Get 10 years of daily use until hitting 80% of its original capacity. That’s down to its LFP battery chemistry giving you 3000+ cycles. And with one of the longest warranty's in the industry you can rest assured you are covered in any situation.

Portable Power That Can Be Monitored and Controlled from Anywhere

Get a birds-eye view of your energy consumption. Keep an eye on input from Solar Panels, Extra Batteries, Smart Generators and other sources. Check output from each individual port on your unit. 

All from the comfort of your phone. Control the functionality of your Eco Flow product from a distance. remotely turn on or off all your outlets and ports. Download the EcoFlow App iOS 11.0 or higher and Android 5.0 or above.

Run your unit exactly as you see fit. Extend your battery cycle life by altering charge speeds and discharge speeds. Tweak settings to match your preferences. 

Full visualization of the essentials. Check on charge level, temperature and charge/discharge times. Monitor all the ports on your power station. 

Three ways to control. Direct Connection / IOT Mode / Bluetooth. At home? Use Wi-Fi to control your unit from afar or update for the latest features. Outdoors? Try Bluetooth or use your portable power station as a hotspot and control even without an internet connection. 

 Specs

EcoFlow DELTA 2 Extra Battery Specs 

 What's in the Box?

What's in the Box?

Shipping and Returns

Order Confirmation:

As soon as you place your order, you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your credit card for the purchase.  As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.  If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card, it will ship within five business day ( most orders are sooner) from the date of your order.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at support@PortablePowerPlus.com

Cancellations:

We want you to be HAPPY! Please reach out prior to ordering so we can help you make a great purchase decision.  We are proud to offer FREE SHIPPING to our customers but if you decide you no longer want your item after it has shipped, you can request a full refund within 24 hrs after placing your order. If you request a cancellation after 24 hrs and before delivery, you will be charged a 25% restocking fee and a transaction fee (2.6% for credit card users, 3.6% for PayPal users, and 2.9% for Shop Pay users) plus shipping for delivery and return. Orders purchased greater than 30 days can not be cancelled. 

Returns:

Returns are accepted within 30 days  of the item being delivered. Return service is only available for US orders. You must be in possession of the order items.  Please call us at 980-758-0075 or email  support@PortablePowerPlus.com to register return and receive an RMA (return merchandise authorization) number and directions for the return. NO RETURNS WILL BE ACCEPTED WITHOUT AN RMA. You may be charged a 25% restocking fee, delivery fee may be deducted from your return, and you may be responsible for shipping your return, based on individual manufacturer policies. Please reach out to us if you have questions prior to purchase.  

When shipping your return

Product must be in original packaging and include all manuals and accessories
Please provide your invoice with the return. Write your unique RMA on your invoice as well as the return shipping label ( MUST be clearly marked on the outside of the package) You must ship within 5 days of receiving your RMA number

Damages:

Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery.  If your item(s) do arrive damaged, please send photos to support@PortablePowerPlus.com along with detailed description.W e will work with the manufacturer to get a replacement sent as soon as possible. If you choose to not accept the replacement you will be responsible for the shipping both ways as well as the restocking fee of 25%. Please note we must be notified within 30 days otherwise you will have to go through the manufacturer’s warranty for replacement. 

Shipping and return policies will vary by manufacturer.

Refunds:

After your return is received and processed, we will issue your refund within 14 business days, and you will be notified with an email once your order is refunded.
If you don't receive the refund after 14 business days, please contact us at support@PortablePowerPlus.com