EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery
EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery
SKU: D2M-US-EB
- Regular price
- Price: $1,599.00
- Regular price
- List Price: $3,298.00
- Sale price
- Price: $1,599.00
- Unit price
- / per
Notify me when this product is available:
In stock

Couldn't load pickup availability
- Free Shipping - Quick and Easy
- Easy 30 Day Returns
Manufacture's Warranty
Manufacture's Warranty
Manufactures Warranty - PowerGen Store is an Authorized Dealer for all of our Suppliers, so every product you purchase includes the Full Manufactures Warranty provided directly by the Manufacturer. See Manufacture's Website for More Details
Price Guarantee
Price Guarantee
At PowerGen Store, we are committed to offering you the best prices online. If you find a lower price at another online store within two months of your purchase, just let us know.
Click Here to review full Price Guarantee Policy
Shipping Policy
Shipping Policy
At PowerGen Store, we are dedicated to ensuring our customers enjoy a smooth and efficient shipping experience. As a special benefit for our valued customers, we are pleased to offer FREE SHIPPING in the Contiguous 48 United States (See below for Alaska & Hawaii). To guarantee timely delivery of your orders, we have built a comprehensive network of couriers. Please see the detailed information below regarding our shipping Policy.
Click Here to read out full Shipping Policy
Return Policy
Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
Click Here to review our full Returns Policy

Description
EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery
The EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery bundle gives you double the storage capacity for reliable power at home, outdoors, or off-grid. With a combined expandable capacity up to 4096Wh, this pairing ensures longer backup times and greater flexibility. Whether you’re protecting your home during outages, powering RV adventures, or running tools and appliances, this setup delivers dependable energy with unmatched convenience.
Features
- Base 2048Wh capacity expands to 4096Wh with the Smart Extra Battery
- 2400W AC output with surge power up to 4800W
- X-Boost technology powers devices up to 3400W
- Multiple charging options: AC, solar (up to 1000W), car, and EcoFlow Smart Generator support
- LFP (LiFePO4) battery technology with 3000+ cycles for long-lasting reliability
- Remote monitoring and control via Wi-Fi and Bluetooth
- Portable yet powerful design for home backup, camping, or off-grid use
Benefits
With the EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery, you’ll never have to worry about running out of power during critical moments. The expanded capacity ensures longer runtimes for refrigerators, medical devices, or essential home appliances. Its advanced LFP battery provides years of daily use, while fast charging keeps you prepared in hours, not days. This bundle is the perfect solution for homeowners, travelers, and anyone seeking reliable, expandable power.
Why choose EcoFlow DELTA 2 Max
Effortless to use, convenient to transport
Specifications
Feature | Details |
---|---|
Base Capacity | 2048Wh |
AC Output | 6 outlets, 2400W total (Surge 4800W) |
Max Device Power (X-Boost) | 3400W |
USB-A Output | 2 ports, 5V, 2.4A, 12W Max per port |
USB-A Fast Charge | 2 ports, 5V/9V/12V, up to 18W |
USB-C Output | 2 ports, 5/9/12/15/20V, 5A, 100W Max per port |
Car Power Output | 12.6V, 10A, 126W Max |
DC5521 Output | 2 ports, 12.6V, 3A, 38W Max per port |
AC Charging | X-Stream Fast Charge 1800W, 15A |
Solar Charging | 11-60V, 15A, single port 500W; dual port 1000W |
Car Charging | 12V/24V, 8A |
Battery Chemistry | LFP (LiFePO4) |
Cycle Life | 3000+ cycles to 80%+ capacity |
Connectivity | Wi-Fi & Bluetooth |
Dimensions | 497 × 242 × 305 mm / 19.6 × 9.5 × 12 in |
Weight | 50 lbs / 23 kg |
EcoFlow DELTA 2 Max Smart Extra Battery
Feature | Details |
---|---|
Capacity | 2048Wh |
Expandability | Pairs with DELTA 2 Max for total 4096Wh |
Battery Chemistry | LFP (LiFePO4) |
Cycle Life | 3000+ cycles to 80%+ capacity |
Charging Methods | Charges through DELTA 2 Max (AC, solar, car, or generator) |
Connectivity | Links seamlessly with DELTA 2 Max using included cable |
Dimensions | 497 × 242 × 305 mm / 19.6 × 9.5 × 12 in |
Weight | 43 lbs / 19.5 kg |
What’s in the Box
- EcoFlow DELTA 2 Max Portable Power Station
- EcoFlow DELTA 2 MAX Smart Extra Battery
- AC Charging Cable
- User Manual
Frequently Asked Questions (FAQs)
1. How much total power do I get with the EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery?
Together, they deliver a total of 4096Wh capacity, doubling the base 2048Wh of the DELTA 2 Max.
2. Can the EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery power large appliances?
Yes. With a 2400W output (and X-Boost up to 3400W), it can run refrigerators, microwaves, washing machines, and other high-demand appliances.
3. How long does it take to recharge the DELTA 2 Max with the Extra Battery connected?
With X-Stream fast charging, it charges from 0–80% in about 65 minutes and can be fully charged in under 2 hours when connected to AC power.
4. Is the Extra Battery easy to connect?
Yes. The DELTA 2 Max Smart Extra Battery connects seamlessly with the main unit using the included battery connection cable.
5. Does the bundle support solar charging?
Absolutely. The EcoFlow DELTA 2 Max supports up to 1000W solar input, allowing you to recharge quickly with renewable energy.
6. How long will the EcoFlow DELTA 2 Max + DELTA 2 Max Smart Extra Battery last?
Thanks to LFP battery technology, both units provide 3000+ cycles to 80% capacity, giving you up to 10 years of reliable use.






