Description
Features
- 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 - 2-6kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to gain a capacity of 6144Wh. 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.
- 5-Year Full Warranty - With one of the most comprehensive warranties in the industry, we go the extra mile to give you peace of mind.
Expandable capacity
Increase the capacity of DELTA 2 Max with an extra 2048Wh.
![](https://us.ecoflow.com/cdn/shop/files/Expandable_capacity_2X_fe8ddd40-a3b0-4bc9-8f11-1153ba57ab59.png?v=1685698492&width=1000)
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.
![](https://us.ecoflow.com/cdn/shop/files/Triple_the_power_2X_0ee788fb-ced5-455e-bbe5-01f841524889.png?v=1685698529&width=1000)
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.
![](https://us.ecoflow.com/cdn/shop/files/10-year_Long-lasting_LFP_Battery_c3f2f4cd-0229-4c9b-839c-215108b3a522.png?v=1685697351&width=1000)
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.
![](https://us.ecoflow.com/cdn/shop/files/Mask_group_18b9ea71-70a5-4e68-a898-91372348f48b.jpg?v=1698308972&width=1000)
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.
![](https://us.ecoflow.com/cdn/shop/files/Mask_group-1.jpg?v=1698309014&width=1000)
Specifications
-
Capacity: 2048Wh
Input Port: 51.2V, 2000W Max
Output Port: 51.2V, 3200W Max
Battery: LFP chemistry, 3000 cycles to >80% capacity
Dimension: 464 × 235 × 283 mm (18 × 9 × 11 in)
Weight: 19kg (42lbs)
What’s in the box: Extra Battery Cable User Manual Warranty Card
Compatible with: DELTA 2 / DELTA Max 2000/ DELTA 2 Max