Skip to content
Contact Us Price Match Guarantee FAQs Why Buy From Us About Us Customer Reviews Installer Program
Ecoflow Delta 2 Max Smart Extra Battery

Ecoflow Delta 2 Max Smart Extra Battery
Starting at $82/mo or 0% APR with . See if you qualify
Save 44% Save 44%
$1,599.00
$1,599.00 - $1,599.00
$1,599.00
$899.00
$899.00 - $899.00
$899.00
✓ Authorized EcoFlow Dealer
✓ Lowest Price Match Guaranteed
✓ Brand New & FREE Shipping: In Stock Ready To Ship
✓ Questions? Talk to a EcoFlow Expert: 1-303-876-7654

Ecoflow Delta 2 Max Smart Extra Battery

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.
•  Compatible with 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 6× 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.