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EcoFlow Delta 2 Max Portable Smart Expansion Battery

Item Code: Delta2-MaxBat
Ship Weight: 50 lbs.
Regular Price: $1,399.00
Sale Price: $799.00
You Save 43% ($600.00)
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Product Details
Increase the capacity of the Delta 2 Max by an extra 2046Wh! Triple the power with the 2-6kWh expandable capacity to fit your energy storage needs. Add up to two Delta 2 Max Smart Extra Batteries to the Delta 2 Max to hit a capacity of 6144Wh. Ideal for home backup, RVing, outdoors or even everyday use.

No Fumes, No Noise, No Maintenance:
Fume Free: Since batteries don't burn fuel, they don't produce emissions or fumes, making them a clean and eco-friendly alternative to gas systems.
Quiet: Without internal noisy combustion engines, Delta 2 Max batteries are extremely quiet, even when charging.
Maintenance-Free: There's no fuel to refill, no filters or fluids to change or mechanical parts that need constant maintenance.
Click Here: For the compatible Delta 2 Max Portable Power Station.
Expandable Capacity:
Increase the capacity of the Delta 2 Max by an extra 2046Wh.
2-6kWh expandable capacity to fit your energy storage needs. Add up to two Delta 2 Max Smart Extra Batteries to hit a capacity of 6144wh. Ideal for home backup, caravanning, outdoors or even everyday use.


10-Year Long-lasting LFP Battery:
Premium LFP cells for long-lasting battery life: Using the same chemical makeup as Tesla batteries, Delta 2 Max gives you 3000 complete cycles till it's down to 80% capacity. That's 6x more than the industry average of 500.
10 years of everyday use: If used once a day, it can be safely used for about 10 years
Advanced BMS Protection: Self-regulates voltage, current, and temperature. Charge safely with comprehensive protection.
Safe and stable for high performance even in warm temperatures.


Advanced BMS Protection:
A built-in battery management system regulates vitals, including voltage, current, and temperature, keeping DELTA 2 Max safe, secure, and built to stand the test of time.
Specifications
General Information
Manufacturer Name: EcoFlow
Dimensions: 464 x 235 x 283 mm (18" x 9" x 11" in)
Weight: 42 lbs
Operating usage temp: 32-113 F (0-45 C)
Warranty: 5 Year Warranty
Battery
Cell Type: LFP
Capacity: 2048Wh
Shelf-life: 1 Year (after charging)
Cycle Life: 3000 cycles to 80% capacity
Input Port: 51.2V, 2000W Max
Output Port: 51.2V, 3200W Max
Compatible with: DELTA 2 / DELTA Max 2000/ DELTA 2 Max
What's Included
What's Included:

•  (1) EcoFlow Delta 2 Max Smart Battery
•  (1) Connection Cable
•  (1) User Manual
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Q&A Summary
1 Question & 1 Answer
Jeff Devries
from Zeeland Michigan asked:
April 23, 2026
Does the connection cable come with it. I just need the extra battery with cable
1 Answer
Yes, the connection cable comes with the expansion battery. Thank you for your inquiry!
Submitted by: Earthtech Products on April 24, 2026

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