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by EcoFlow
EcoFlow DELTA 2 Smart Extra Battery
Save $89.99 Save $89.99
Original price $688.99
Original price $688.99 - Original price $688.99
Original price $688.99
Current price $599.00
$599.00 - $599.00
Current price $599.00
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While shopping at Off Grid Stores know that returns are a breeze! If you are not completely satisfied with your purchase, for any reason, you may return it to us within 30 Days of delivery for a refund.

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EcoFlow DELTA 2 Smart Extra Battery

Expandable Capacity

DELTA 2 expands up to 2048Wh with smart extra battery, keeping your home powered on in any emergency.

Convenient Recharging

DELTA 2 and its Extra Battery charge and discharge in unison. Recharging from portable solar panels, AC outlets, or our Smart Generator is easy.

Fast Recharging

Charge up with DELTA 2 from 0-80% in 70 minutes and 0-100% in 120 minutes with AC input.

Internal Storage Compartment

 Get extra storage for accessories conveniently, saving space at home or on the go.

Power Multiple Devices

DELTA 2 fits with every port you'll ever need to power any devices anywhere, so you will always feel right.

Control from anywhere

Get all the same info about battery percent, remaining recharge time, hours left, and more on the built-in screen. You can check the battery's status anywhere from the EcoFlow app.



EcoFlow DELTA 2 Smart Extra Battery
General Info
Net Weight Approximately 9.5 kg (21 lbs)
Dimensions 15.7 in x 8.3 in x 11.1 in
Capacity 1,024Wh 51.2V
Input Port
Extra Battery Port Input 51.2V= 1,024W Max (X-Stream and solar dual charging)
Output Port
Extra Battery Port Output 51.2V=2,048W Max
Battery Info
Cell Chemistry LFP
Cycle Life 3,000 cycles to 80% + capacity
Protection Over Voltage Protection, Overload Protection, Over
Temperature Protection, Short Circuit Protection, Low
Temperature Protection, Low Voltage Protection,
Overcurrent Protection
Environmental Operating Temperatures
Optimal Operating Temperature 68°F - 86°F
Discharging Temperature 14°F - 113°F
Charging Temperature 32°F - 113°F
Storage Temperature 14°F - 113°F Optimal 68°F - 86°F

User Manuals:

EcoFlow DELTA 2 Smart Extra Battery User Manual

Download Now >

Customer Reviews

Based on 3 reviews
Devin Kosloff
Great price and works like it should!

Nothing fancy but does exactly what it is supposed to. Doubled my capacity of my Delta 2 and allowed me to run an espresso machine at a farmers market for over 4 hours.

Gino E Premici

Best price on ecoflow delta 2 extra battery. Fast Prompt service

Linda M MacCammon
Off Grid is a Great Site for EcoFlow

Off Grid is a great site for EcoFlow products. Great discounts and excellent service.