Requires the EcoFlow Smart Extra Battery Expansion Adapter to connect two Smart Extra Batteries to the DELTA 3 Max Plus (2048Wh) or DELTA 3 Ultra Plus (3072Wh).

Expandable capacity - Increase the capacity of DELTA 3 Max Plus and DELTA 3 Ultra Plus with an extra 2048Wh.

Compact size - The extra battery's overall volume is reduced by approximately 25% compared to the DELTA 2 Max Smart Extra Battery, making it easier to store, carry and stack.

Long lifespan with an LFP battery.

Easy to use - Plug-and-play without setup. Monitor the charge level and temperature via the EcoFlow App.

Specs:

Net Weight: 16kg±0.4kg

Dimensions (HWD): 494*239*196mm

Rated Capacity: 2048Wh 51.2V 40Ah

Cell Chemistry: LFP(LiFePO4)

Output Port: 43.2~57.6V, 100A

Input Port: 43.2~57.6V, 48A

Charge Temperature: 

0°C-45°C(32°F-113°F)

Discharge Temperature:

-10 to 45°C(14°F-113°F)

Storage Temperature:

-10 to 45°C(14°F-113°F)

Input:

AC Input (Charge Only): 1800W

Maximum PV Input Power(W): 1000W

Output:

USB-A:

USB-A(x1):5V-3A/9V-2A/12V-1.5A,18W Max

USB-C:

USB-C(x1):5/9/12/15V-3A,20V/28V--5A,140W Max(HID)

USB-C(x2):5/9V/12V/15V-3A 20V-2.25A,45W Max per port,total 45W(Shared circuit)

12V DC Output Port:

12.6V-30A,378W Total

Anderson:30A Max(Shared power with car cigarette lighter)

Cigarette Lighter Output Port:

12.6V-10A,126W Total

CAR:10A Max(Shared power with Anderson port)

AC Output:

120V~60Hz 3000W total (surge 6000W), 20A(x4) Max per port

X-Boost: 3800W