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EcoFlow DELTA 2 Max Smart Extra Battery
by EcoFlow

EcoFlow DELTA 2 Max Smart Extra Battery

SKU: EFDELTA2MaxEB
Save $111.99 Save $111.99
$860.99
$860.99 - $860.99
$860.99
$749.00
$749.00 - $749.00
$749.00
Availability:
in stock, ready to be shipped

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5-Year Warranty

Off Grid Stores is an authorized retailer of EcoFlow products. Because of this, we pass on EcoFlow's manufacturer warranty to you.

Product Highlights
  • Expandable capacity- Increase the capacity of DELTA 2, DELTA Max and DELTA 2 Max with an extra 2048Wh.
  • Triple power at up to 30% lower cost-2-6kWhexpandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to gain a capacity of 6144Wh. And it's up to 30% more affordable than a power station of the same capacity.
  • 10-year lifespan with an LFP battery- Get 10 years of daily use until it hits 80% of its original capacity. Embrace the 3000+ charging cycles enabled by the LFP battery chemistry.
  • Easy to use- Plug-and-play without setup. And use the EcoFlow app to monitor and control the DELTA 2 Max Smart Extra Battery.
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EcoFlow DELTA 2 Max Smart Extra Battery

EcoFlow DELTA 2 Max Smart Extra Battery

Expandable capacity

Increase the capacity of DELTA 2 Max with an extra 2048Wh.

Triple the power

2-6kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to gain a capacity of 6144Wh, ideal for home backup, RVing, outdoor adventures, and everyday use. Much more affordable, it costs up to 30% less than a power station of the same capacity.

10-Year Long-lasting LFP Battery

Durable, Safe, Lightweight

With its upgraded LFP battery chemistry, the DELTA 2 Max Smart Extra Battery has a lifespan of 3000 complete cycles until it reduces to 80% capacity. You'll get pretty much 10 years of power, even if you use it every day. That's 6× longer than other power stations with a similar capacity and output.

Easy to use

There's no setup. Just plug it into your power station for more energy storage. Using the EcoFlow app, you can charge and monitor the DELTA 2 Max Smart Extra Battery with ease.

Stackable, space-saving design

Featuring an ergonomic, compact design, the DELTA 2 Max Smart Extra Batteries can be securely stacked on top of power stations and each other to save space and minimize clutter.

Specifications:

EcoFlow DELTA 2 Max Smart Extra Battery
General info
Model EFD350-EB
Weight 42 lbs
Dimensions 18 in x 9 in x 11 in
Capacity 2,048Wh
Input Ports
Extra Battery Port Input 51.2V= 2000W Max
Output Ports
Extra Battery Port Output 51.2V=3,200W Max
Battery Info
Battery Type LFP
Cycle Life 3,000 cycles to 820% + capacity
Protection Type Over Voltage Protection,
Overload Protection,
Over Temperature Protection,
Short Circuit Protection,
Low Temperature Temperature,
Low Voltage Temperature,
Overcurrent Protection
Operating Temperature
Optimal Operating Temperature 68°F to 86°F
Discharge Temperature 14°F to 113°F
Charging Temperature 32°F to 113°F

PACKAGE INCLUDES

EcoFlow DELTA 2 Max Smart Extra Battery

DELTA 2 Max Smart Extra Battery

x 1

Extra Battery Cable

x 1

User Manual

x 1

EcoFlow Warranty Card

x 1

Frequently Asked Questions

Which portable power station is compatible with the DELTA 2 Max Smart Extra Battery?

DELTA 2, DELTA Max, and DELTA 2 Max are compatible with the DELTA 2 Max Smart Extra Battery.

How many extra batteries can I use with a portable power station?

DELTA 2 supports only 1 extra battery while the DELTA Max and DELTA 2 Max support up to 2.

Can I charge the extra battery without connecting to a power station?

Yes. You can use a Smart Generator to charge an extra battery even when it's not plugged into a power station. All other charging methods require it to be connected to a power station.

What makes the Smart Extra Battery "Smart"?

This battery can be monitored and controlled on the EcoFlow app.

What battery does the product use?

It uses a high-quality LFP battery.

How do I know if the product is charging?

When it’s charging, the remaining charging time will be shown on the LCD Screen. Meanwhile, the charging indicator icon begins to rotate with the remaining battery percentage and the input power shown on the right of the circle.

How do I clean the product?

Please gently wipe it with a dry, soft, clean cloth or paper towel.

How do I store the product?

Before storing, please turn off the product first, and then store it in a dry, ventilated place at room temperature. Do not place it near water sources. For long-term storage, please discharge and recharge the product every three months to extend its battery life.

Can I take the product on a plane?

No.

Product Documents:

EcoFlow DELTA 2 Max Smart Extra Battery User Manual

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