Stay off the grid longer by adding an extra 1024Wh capacity to your power station* with the EcoFlow Delta 3 Add-On Battery. 

The plug-and-play design allows straightforward operation and immediate additional battery power with your Delta 3 PLUS or Delta 3.

The extra battery can expand the power station's battery capacity by storing more power. It also functions as a backup power source for loads when the power station's battery is low.

Making the addon battery the perfect addition for home or indoor power backup applications.

*This Add-On Battery is compatible with these EcoFlow Power Stations: EcoFlow DELTA 3, EcoFlow DELTA 3 Plus, EcoFlow DELTA 3 1500 & EcoFlow DELTA 2

NOTE: For long-term storage of the product, follow these steps every 3 months to maintain battery health:

1. Discharge the product to 0% battery level

2. Fully charge the product to 100% battery level

3. Discharge the product again to 60% battery level

Specifications include: Capacity: 1024Wh, LFP battery with 4000 life cycles to 80% capacity, 398(w) × 198(h) × 200(d)mm, Weight: Approx. 9.6kg
For more Benefits & Features, please click the 'Features' tab

Benefits & Features*

• Easy to use 

• Works seamlessly with EcoFlow Delta 3 PLUS & Delta 3

• Expandable up to 1024Wh for increased capacity

• LFP battery with 4000 life cycles to 80% capacity

• Box includes:

           EcoFlow Delta 3 Smart Extra Battery (1024Wh)

           EcoFlow Delta 3 Smart Extra Battery Cable

           Manuals & Warranty Card

           Warranty Card

• Dimensions: 398(w) × 198(h) × 200(d)mm

• Weight: Approx. 9.2kg

*Click here for User Manual

Specifications 

• Capacity: 1024Wh

• Output - Extra Battery Port: 40V-58.4V⎓48A Max

• Input - Extra Battery Port:    40V-58.4V⎓24A Max

• Rated Capacity: 1024Wh (51.2V⎓20Ah)

• Cell Chemistry: LFP (LiFePOâ‚„)

• Cycle Life: 80%+ capacity after 4000 cycles

• Protection Type: Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection

• Optimal Operating Temperature: 20 °C-30 °C (68 °F-86 °F)

• Charge Temperature: 0 °C-45 °C (32 °F-113 °F)

• Discharge Temperature: −10 °C to 45 °C (14 °F-113 °F)

• Storage Temperature: −10 °C to 45 °C (14 °F-113 °F)